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6033 lines
175 KiB
6033 lines
175 KiB
dnl ***************************************************
|
|
dnl * Please run autoreconf -if to test your changes! *
|
|
dnl ***************************************************
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|
dnl
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|
dnl Python's configure script requires autoconf 2.69 and autoconf-archive.
|
|
dnl
|
|
|
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# Set VERSION so we only need to edit in one place (i.e., here)
|
|
m4_define(PYTHON_VERSION, 3.10)
|
|
|
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AC_PREREQ([2.69])
|
|
|
|
AC_INIT([python],[PYTHON_VERSION],[https://bugs.python.org/])
|
|
|
|
m4_ifdef(
|
|
[AX_C_FLOAT_WORDS_BIGENDIAN],
|
|
[],
|
|
[AC_MSG_ERROR([Please install autoconf-archive package and re-run autoreconf])]
|
|
)
|
|
|
|
AC_SUBST(BASECPPFLAGS)
|
|
if test "$srcdir" != . -a "$srcdir" != "$(pwd)"; then
|
|
# If we're building out-of-tree, we need to make sure the following
|
|
# resources get picked up before their $srcdir counterparts.
|
|
# Objects/ -> typeslots.inc
|
|
# Include/ -> Python.h
|
|
# Python/ -> importlib.h
|
|
# (A side effect of this is that these resources will automatically be
|
|
# regenerated when building out-of-tree, regardless of whether or not
|
|
# the $srcdir counterpart is up-to-date. This is an acceptable trade
|
|
# off.)
|
|
BASECPPFLAGS="-IObjects -IInclude -IPython"
|
|
else
|
|
BASECPPFLAGS=""
|
|
fi
|
|
|
|
AC_SUBST(GITVERSION)
|
|
AC_SUBST(GITTAG)
|
|
AC_SUBST(GITBRANCH)
|
|
|
|
if test -e $srcdir/.git
|
|
then
|
|
AC_CHECK_PROG(HAS_GIT, git, found, not-found)
|
|
else
|
|
HAS_GIT=no-repository
|
|
fi
|
|
if test $HAS_GIT = found
|
|
then
|
|
GITVERSION="git --git-dir \$(srcdir)/.git rev-parse --short HEAD"
|
|
GITTAG="git --git-dir \$(srcdir)/.git describe --all --always --dirty"
|
|
GITBRANCH="git --git-dir \$(srcdir)/.git name-rev --name-only HEAD"
|
|
else
|
|
GITVERSION=""
|
|
GITTAG=""
|
|
GITBRANCH=""
|
|
fi
|
|
|
|
AC_CONFIG_SRCDIR([Include/object.h])
|
|
AC_CONFIG_HEADER(pyconfig.h)
|
|
|
|
AC_CANONICAL_HOST
|
|
AC_SUBST(build)
|
|
AC_SUBST(host)
|
|
|
|
# pybuilddir.txt will be created by --generate-posix-vars in the Makefile
|
|
rm -f pybuilddir.txt
|
|
|
|
AC_CHECK_PROGS(PYTHON_FOR_REGEN, python$PACKAGE_VERSION python3 python, python3)
|
|
AC_SUBST(PYTHON_FOR_REGEN)
|
|
|
|
if test "$cross_compiling" = yes; then
|
|
AC_MSG_CHECKING([for python interpreter for cross build])
|
|
if test -z "$PYTHON_FOR_BUILD"; then
|
|
for interp in python$PACKAGE_VERSION python3 python; do
|
|
which $interp >/dev/null 2>&1 || continue
|
|
if $interp -c "import sys;sys.exit(not '.'.join(str(n) for n in sys.version_info@<:@:2@:>@) == '$PACKAGE_VERSION')"; then
|
|
break
|
|
fi
|
|
interp=
|
|
done
|
|
if test x$interp = x; then
|
|
AC_MSG_ERROR([python$PACKAGE_VERSION interpreter not found])
|
|
fi
|
|
AC_MSG_RESULT($interp)
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|
PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib _PYTHON_SYSCONFIGDATA_NAME=_sysconfigdata_$(ABIFLAGS)_$(MACHDEP)_$(MULTIARCH) '$interp
|
|
fi
|
|
elif test "$cross_compiling" = maybe; then
|
|
AC_MSG_ERROR([Cross compiling required --host=HOST-TUPLE and --build=ARCH])
|
|
else
|
|
PYTHON_FOR_BUILD='./$(BUILDPYTHON) -E'
|
|
fi
|
|
AC_SUBST(PYTHON_FOR_BUILD)
|
|
|
|
dnl Ensure that if prefix is specified, it does not end in a slash. If
|
|
dnl it does, we get path names containing '//' which is both ugly and
|
|
dnl can cause trouble.
|
|
|
|
dnl Last slash shouldn't be stripped if prefix=/
|
|
if test "$prefix" != "/"; then
|
|
prefix=`echo "$prefix" | sed -e 's/\/$//g'`
|
|
fi
|
|
|
|
dnl This is for stuff that absolutely must end up in pyconfig.h.
|
|
dnl Please use pyport.h instead, if possible.
|
|
AH_TOP([
|
|
#ifndef Py_PYCONFIG_H
|
|
#define Py_PYCONFIG_H
|
|
])
|
|
AH_BOTTOM([
|
|
/* Define the macros needed if on a UnixWare 7.x system. */
|
|
#if defined(__USLC__) && defined(__SCO_VERSION__)
|
|
#define STRICT_SYSV_CURSES /* Don't use ncurses extensions */
|
|
#endif
|
|
|
|
#endif /*Py_PYCONFIG_H*/
|
|
])
|
|
|
|
# We don't use PACKAGE_ variables, and they cause conflicts
|
|
# with other autoconf-based packages that include Python.h
|
|
grep -v 'define PACKAGE_' <confdefs.h >confdefs.h.new
|
|
rm confdefs.h
|
|
mv confdefs.h.new confdefs.h
|
|
|
|
AC_SUBST(VERSION)
|
|
VERSION=PYTHON_VERSION
|
|
|
|
# Version number of Python's own shared library file.
|
|
AC_SUBST(SOVERSION)
|
|
SOVERSION=1.0
|
|
|
|
# The later defininition of _XOPEN_SOURCE disables certain features
|
|
# on Linux, so we need _GNU_SOURCE to re-enable them (makedev, tm_zone).
|
|
AC_DEFINE(_GNU_SOURCE, 1, [Define on Linux to activate all library features])
|
|
|
|
# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
|
|
# certain features on NetBSD, so we need _NETBSD_SOURCE to re-enable
|
|
# them.
|
|
AC_DEFINE(_NETBSD_SOURCE, 1, [Define on NetBSD to activate all library features])
|
|
|
|
# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
|
|
# certain features on FreeBSD, so we need __BSD_VISIBLE to re-enable
|
|
# them.
|
|
AC_DEFINE(__BSD_VISIBLE, 1, [Define on FreeBSD to activate all library features])
|
|
|
|
# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
|
|
# certain features on Mac OS X, so we need _DARWIN_C_SOURCE to re-enable
|
|
# them.
|
|
AC_DEFINE(_DARWIN_C_SOURCE, 1, [Define on Darwin to activate all library features])
|
|
|
|
|
|
define_xopen_source=yes
|
|
|
|
# Arguments passed to configure.
|
|
AC_SUBST(CONFIG_ARGS)
|
|
CONFIG_ARGS="$ac_configure_args"
|
|
|
|
AC_MSG_CHECKING([for --enable-universalsdk])
|
|
AC_ARG_ENABLE(universalsdk,
|
|
AS_HELP_STRING([--enable-universalsdk@<:@=SDKDIR@:>@],
|
|
[create a universal binary build.
|
|
SDKDIR specifies which macOS SDK should be used to perform the build,
|
|
see Mac/README.rst. (default is no)]),
|
|
[
|
|
case $enableval in
|
|
yes)
|
|
# Locate the best usable SDK, see Mac/README for more
|
|
# information
|
|
enableval="`/usr/bin/xcodebuild -version -sdk macosx Path 2>/dev/null`"
|
|
if ! ( echo $enableval | grep -E '\.sdk' 1>/dev/null )
|
|
then
|
|
enableval=/Developer/SDKs/MacOSX10.4u.sdk
|
|
if test ! -d "${enableval}"
|
|
then
|
|
enableval=/
|
|
fi
|
|
fi
|
|
;;
|
|
esac
|
|
case $enableval in
|
|
no)
|
|
UNIVERSALSDK=
|
|
enable_universalsdk=
|
|
;;
|
|
*)
|
|
UNIVERSALSDK=$enableval
|
|
if test ! -d "${UNIVERSALSDK}"
|
|
then
|
|
AC_MSG_ERROR([--enable-universalsdk specifies non-existing SDK: ${UNIVERSALSDK}])
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
],[
|
|
UNIVERSALSDK=
|
|
enable_universalsdk=
|
|
])
|
|
if test -n "${UNIVERSALSDK}"
|
|
then
|
|
AC_MSG_RESULT(${UNIVERSALSDK})
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
AC_SUBST(UNIVERSALSDK)
|
|
|
|
AC_SUBST(ARCH_RUN_32BIT)
|
|
ARCH_RUN_32BIT=""
|
|
|
|
# For backward compatibility reasons we prefer to select '32-bit' if available,
|
|
# otherwise use 'intel'
|
|
UNIVERSAL_ARCHS="32-bit"
|
|
if test "`uname -s`" = "Darwin"
|
|
then
|
|
if test -n "${UNIVERSALSDK}"
|
|
then
|
|
if test -z "`/usr/bin/file -L "${UNIVERSALSDK}/usr/lib/libSystem.dylib" | grep ppc`"
|
|
then
|
|
UNIVERSAL_ARCHS="intel"
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
AC_SUBST(LIPO_32BIT_FLAGS)
|
|
AC_SUBST(LIPO_INTEL64_FLAGS)
|
|
AC_MSG_CHECKING(for --with-universal-archs)
|
|
AC_ARG_WITH(universal-archs,
|
|
AS_HELP_STRING([--with-universal-archs=ARCH],
|
|
[specify the kind of macOS universal binary that should be created.
|
|
This option is only valid when --enable-universalsdk is set; options are:
|
|
("universal2", "intel-64", "intel-32", "intel", "32-bit",
|
|
"64-bit", "3-way", or "all")
|
|
see Mac/README.rst]),
|
|
[
|
|
UNIVERSAL_ARCHS="$withval"
|
|
],
|
|
[])
|
|
if test -n "${UNIVERSALSDK}"
|
|
then
|
|
AC_MSG_RESULT(${UNIVERSAL_ARCHS})
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
AC_ARG_WITH(framework-name,
|
|
AS_HELP_STRING([--with-framework-name=FRAMEWORK],
|
|
[specify the name for the python framework on macOS
|
|
only valid when --enable-framework is set. see Mac/README.rst
|
|
(default is 'Python')]),
|
|
[
|
|
PYTHONFRAMEWORK=${withval}
|
|
PYTHONFRAMEWORKDIR=${withval}.framework
|
|
PYTHONFRAMEWORKIDENTIFIER=org.python.`echo $withval | tr '[A-Z]' '[a-z]'`
|
|
],[
|
|
PYTHONFRAMEWORK=Python
|
|
PYTHONFRAMEWORKDIR=Python.framework
|
|
PYTHONFRAMEWORKIDENTIFIER=org.python.python
|
|
])
|
|
dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
|
|
AC_ARG_ENABLE(framework,
|
|
AS_HELP_STRING([--enable-framework@<:@=INSTALLDIR@:>@],
|
|
[create a Python.framework rather than a traditional Unix install.
|
|
optional INSTALLDIR specifies the installation path. see Mac/README.rst
|
|
(default is no)]),
|
|
[
|
|
case $enableval in
|
|
yes)
|
|
enableval=/Library/Frameworks
|
|
esac
|
|
case $enableval in
|
|
no)
|
|
PYTHONFRAMEWORK=
|
|
PYTHONFRAMEWORKDIR=no-framework
|
|
PYTHONFRAMEWORKPREFIX=
|
|
PYTHONFRAMEWORKINSTALLDIR=
|
|
FRAMEWORKINSTALLFIRST=
|
|
FRAMEWORKINSTALLLAST=
|
|
FRAMEWORKALTINSTALLFIRST=
|
|
FRAMEWORKALTINSTALLLAST=
|
|
FRAMEWORKPYTHONW=
|
|
if test "x${prefix}" = "xNONE"; then
|
|
FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
|
|
else
|
|
FRAMEWORKUNIXTOOLSPREFIX="${prefix}"
|
|
fi
|
|
enable_framework=
|
|
;;
|
|
*)
|
|
PYTHONFRAMEWORKPREFIX="${enableval}"
|
|
PYTHONFRAMEWORKINSTALLDIR=$PYTHONFRAMEWORKPREFIX/$PYTHONFRAMEWORKDIR
|
|
FRAMEWORKINSTALLFIRST="frameworkinstallstructure"
|
|
FRAMEWORKALTINSTALLFIRST="frameworkinstallstructure "
|
|
FRAMEWORKINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools"
|
|
FRAMEWORKALTINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkaltinstallunixtools"
|
|
FRAMEWORKPYTHONW="frameworkpythonw"
|
|
FRAMEWORKINSTALLAPPSPREFIX="/Applications"
|
|
|
|
if test "x${prefix}" = "xNONE" ; then
|
|
FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
|
|
|
|
else
|
|
FRAMEWORKUNIXTOOLSPREFIX="${prefix}"
|
|
fi
|
|
|
|
case "${enableval}" in
|
|
/System*)
|
|
FRAMEWORKINSTALLAPPSPREFIX="/Applications"
|
|
if test "${prefix}" = "NONE" ; then
|
|
# See below
|
|
FRAMEWORKUNIXTOOLSPREFIX="/usr"
|
|
fi
|
|
;;
|
|
|
|
/Library*)
|
|
FRAMEWORKINSTALLAPPSPREFIX="/Applications"
|
|
;;
|
|
|
|
*/Library/Frameworks)
|
|
MDIR="`dirname "${enableval}"`"
|
|
MDIR="`dirname "${MDIR}"`"
|
|
FRAMEWORKINSTALLAPPSPREFIX="${MDIR}/Applications"
|
|
|
|
if test "${prefix}" = "NONE"; then
|
|
# User hasn't specified the
|
|
# --prefix option, but wants to install
|
|
# the framework in a non-default location,
|
|
# ensure that the compatibility links get
|
|
# installed relative to that prefix as well
|
|
# instead of in /usr/local.
|
|
FRAMEWORKUNIXTOOLSPREFIX="${MDIR}"
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
FRAMEWORKINSTALLAPPSPREFIX="/Applications"
|
|
;;
|
|
esac
|
|
|
|
prefix=$PYTHONFRAMEWORKINSTALLDIR/Versions/$VERSION
|
|
|
|
# Add files for Mac specific code to the list of output
|
|
# files:
|
|
AC_CONFIG_FILES(Mac/Makefile)
|
|
AC_CONFIG_FILES(Mac/PythonLauncher/Makefile)
|
|
AC_CONFIG_FILES(Mac/Resources/framework/Info.plist)
|
|
AC_CONFIG_FILES(Mac/Resources/app/Info.plist)
|
|
esac
|
|
],[
|
|
PYTHONFRAMEWORK=
|
|
PYTHONFRAMEWORKDIR=no-framework
|
|
PYTHONFRAMEWORKPREFIX=
|
|
PYTHONFRAMEWORKINSTALLDIR=
|
|
FRAMEWORKINSTALLFIRST=
|
|
FRAMEWORKINSTALLLAST=
|
|
FRAMEWORKALTINSTALLFIRST=
|
|
FRAMEWORKALTINSTALLLAST=
|
|
FRAMEWORKPYTHONW=
|
|
if test "x${prefix}" = "xNONE" ; then
|
|
FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
|
|
else
|
|
FRAMEWORKUNIXTOOLSPREFIX="${prefix}"
|
|
fi
|
|
enable_framework=
|
|
|
|
])
|
|
AC_SUBST(PYTHONFRAMEWORK)
|
|
AC_SUBST(PYTHONFRAMEWORKIDENTIFIER)
|
|
AC_SUBST(PYTHONFRAMEWORKDIR)
|
|
AC_SUBST(PYTHONFRAMEWORKPREFIX)
|
|
AC_SUBST(PYTHONFRAMEWORKINSTALLDIR)
|
|
AC_SUBST(FRAMEWORKINSTALLFIRST)
|
|
AC_SUBST(FRAMEWORKINSTALLLAST)
|
|
AC_SUBST(FRAMEWORKALTINSTALLFIRST)
|
|
AC_SUBST(FRAMEWORKALTINSTALLLAST)
|
|
AC_SUBST(FRAMEWORKPYTHONW)
|
|
AC_SUBST(FRAMEWORKUNIXTOOLSPREFIX)
|
|
AC_SUBST(FRAMEWORKINSTALLAPPSPREFIX)
|
|
|
|
AC_DEFINE_UNQUOTED(_PYTHONFRAMEWORK, "${PYTHONFRAMEWORK}", [framework name])
|
|
|
|
##AC_ARG_WITH(dyld,
|
|
## AS_HELP_STRING([--with-dyld],
|
|
## [use (OpenStep|Rhapsody) dynamic linker]))
|
|
##
|
|
# Set name for machine-dependent library files
|
|
AC_ARG_VAR([MACHDEP], [name for machine-dependent library files])
|
|
AC_MSG_CHECKING(MACHDEP)
|
|
if test -z "$MACHDEP"
|
|
then
|
|
# avoid using uname for cross builds
|
|
if test "$cross_compiling" = yes; then
|
|
# ac_sys_system and ac_sys_release are used for setting
|
|
# a lot of different things including 'define_xopen_source'
|
|
# in the case statement below.
|
|
case "$host" in
|
|
*-*-linux-android*)
|
|
ac_sys_system=Linux-android
|
|
;;
|
|
*-*-linux*)
|
|
ac_sys_system=Linux
|
|
;;
|
|
*-*-cygwin*)
|
|
ac_sys_system=Cygwin
|
|
;;
|
|
*-*-vxworks*)
|
|
ac_sys_system=VxWorks
|
|
;;
|
|
*)
|
|
# for now, limit cross builds to known configurations
|
|
MACHDEP="unknown"
|
|
AC_MSG_ERROR([cross build not supported for $host])
|
|
esac
|
|
ac_sys_release=
|
|
else
|
|
ac_sys_system=`uname -s`
|
|
if test "$ac_sys_system" = "AIX" \
|
|
-o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then
|
|
ac_sys_release=`uname -v`
|
|
else
|
|
ac_sys_release=`uname -r`
|
|
fi
|
|
fi
|
|
ac_md_system=`echo $ac_sys_system |
|
|
tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
|
|
ac_md_release=`echo $ac_sys_release |
|
|
tr -d '[/ ]' | sed 's/^[[A-Z]]\.//' | sed 's/\..*//'`
|
|
MACHDEP="$ac_md_system$ac_md_release"
|
|
|
|
case $MACHDEP in
|
|
aix*) MACHDEP="aix";;
|
|
linux*) MACHDEP="linux";;
|
|
cygwin*) MACHDEP="cygwin";;
|
|
darwin*) MACHDEP="darwin";;
|
|
'') MACHDEP="unknown";;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT("$MACHDEP")
|
|
|
|
AC_SUBST(_PYTHON_HOST_PLATFORM)
|
|
if test "$cross_compiling" = yes; then
|
|
case "$host" in
|
|
*-*-linux*)
|
|
case "$host_cpu" in
|
|
arm*)
|
|
_host_cpu=arm
|
|
;;
|
|
*)
|
|
_host_cpu=$host_cpu
|
|
esac
|
|
;;
|
|
*-*-cygwin*)
|
|
_host_cpu=
|
|
;;
|
|
*-*-vxworks*)
|
|
_host_cpu=$host_cpu
|
|
;;
|
|
*)
|
|
# for now, limit cross builds to known configurations
|
|
MACHDEP="unknown"
|
|
AC_MSG_ERROR([cross build not supported for $host])
|
|
esac
|
|
_PYTHON_HOST_PLATFORM="$MACHDEP${_host_cpu:+-$_host_cpu}"
|
|
fi
|
|
|
|
# Some systems cannot stand _XOPEN_SOURCE being defined at all; they
|
|
# disable features if it is defined, without any means to access these
|
|
# features as extensions. For these systems, we skip the definition of
|
|
# _XOPEN_SOURCE. Before adding a system to the list to gain access to
|
|
# some feature, make sure there is no alternative way to access this
|
|
# feature. Also, when using wildcards, make sure you have verified the
|
|
# need for not defining _XOPEN_SOURCE on all systems matching the
|
|
# wildcard, and that the wildcard does not include future systems
|
|
# (which may remove their limitations).
|
|
dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
|
|
case $ac_sys_system/$ac_sys_release in
|
|
# On OpenBSD, select(2) is not available if _XOPEN_SOURCE is defined,
|
|
# even though select is a POSIX function. Reported by J. Ribbens.
|
|
# Reconfirmed for OpenBSD 3.3 by Zachary Hamm, for 3.4 by Jason Ish.
|
|
# In addition, Stefan Krah confirms that issue #1244610 exists through
|
|
# OpenBSD 4.6, but is fixed in 4.7.
|
|
OpenBSD/2.* | OpenBSD/3.* | OpenBSD/4.@<:@0123456@:>@)
|
|
define_xopen_source=no
|
|
# OpenBSD undoes our definition of __BSD_VISIBLE if _XOPEN_SOURCE is
|
|
# also defined. This can be overridden by defining _BSD_SOURCE
|
|
# As this has a different meaning on Linux, only define it on OpenBSD
|
|
AC_DEFINE(_BSD_SOURCE, 1, [Define on OpenBSD to activate all library features])
|
|
;;
|
|
OpenBSD/*)
|
|
# OpenBSD undoes our definition of __BSD_VISIBLE if _XOPEN_SOURCE is
|
|
# also defined. This can be overridden by defining _BSD_SOURCE
|
|
# As this has a different meaning on Linux, only define it on OpenBSD
|
|
AC_DEFINE(_BSD_SOURCE, 1, [Define on OpenBSD to activate all library features])
|
|
;;
|
|
# Defining _XOPEN_SOURCE on NetBSD version prior to the introduction of
|
|
# _NETBSD_SOURCE disables certain features (eg. setgroups). Reported by
|
|
# Marc Recht
|
|
NetBSD/1.5 | NetBSD/1.5.* | NetBSD/1.6 | NetBSD/1.6.* | NetBSD/1.6@<:@A-S@:>@)
|
|
define_xopen_source=no;;
|
|
# From the perspective of Solaris, _XOPEN_SOURCE is not so much a
|
|
# request to enable features supported by the standard as a request
|
|
# to disable features not supported by the standard. The best way
|
|
# for Python to use Solaris is simply to leave _XOPEN_SOURCE out
|
|
# entirely and define __EXTENSIONS__ instead.
|
|
SunOS/*)
|
|
define_xopen_source=no;;
|
|
# On UnixWare 7, u_long is never defined with _XOPEN_SOURCE,
|
|
# but used in /usr/include/netinet/tcp.h. Reported by Tim Rice.
|
|
# Reconfirmed for 7.1.4 by Martin v. Loewis.
|
|
OpenUNIX/8.0.0| UnixWare/7.1.@<:@0-4@:>@)
|
|
define_xopen_source=no;;
|
|
# On OpenServer 5, u_short is never defined with _XOPEN_SOURCE,
|
|
# but used in struct sockaddr.sa_family. Reported by Tim Rice.
|
|
SCO_SV/3.2)
|
|
define_xopen_source=no;;
|
|
# On MacOS X 10.2, a bug in ncurses.h means that it craps out if
|
|
# _XOPEN_EXTENDED_SOURCE is defined. Apparently, this is fixed in 10.3, which
|
|
# identifies itself as Darwin/7.*
|
|
# On Mac OS X 10.4, defining _POSIX_C_SOURCE or _XOPEN_SOURCE
|
|
# disables platform specific features beyond repair.
|
|
# On Mac OS X 10.3, defining _POSIX_C_SOURCE or _XOPEN_SOURCE
|
|
# has no effect, don't bother defining them
|
|
Darwin/@<:@6789@:>@.*)
|
|
define_xopen_source=no;;
|
|
Darwin/@<:@[12]@:>@@<:@0-9@:>@.*)
|
|
define_xopen_source=no;;
|
|
# On QNX 6.3.2, defining _XOPEN_SOURCE prevents netdb.h from
|
|
# defining NI_NUMERICHOST.
|
|
QNX/6.3.2)
|
|
define_xopen_source=no
|
|
;;
|
|
# On VxWorks, defining _XOPEN_SOURCE causes compile failures
|
|
# in network headers still using system V types.
|
|
VxWorks/*)
|
|
define_xopen_source=no
|
|
;;
|
|
|
|
# On HP-UX, defining _XOPEN_SOURCE to 600 or greater hides
|
|
# chroot() and other functions
|
|
hp*|HP*)
|
|
define_xopen_source=no
|
|
;;
|
|
|
|
esac
|
|
|
|
if test $define_xopen_source = yes
|
|
then
|
|
# X/Open 7, incorporating POSIX.1-2008
|
|
AC_DEFINE(_XOPEN_SOURCE, 700,
|
|
Define to the level of X/Open that your system supports)
|
|
|
|
# On Tru64 Unix 4.0F, defining _XOPEN_SOURCE also requires
|
|
# definition of _XOPEN_SOURCE_EXTENDED and _POSIX_C_SOURCE, or else
|
|
# several APIs are not declared. Since this is also needed in some
|
|
# cases for HP-UX, we define it globally.
|
|
AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1,
|
|
Define to activate Unix95-and-earlier features)
|
|
|
|
AC_DEFINE(_POSIX_C_SOURCE, 200809L, Define to activate features from IEEE Stds 1003.1-2008)
|
|
fi
|
|
|
|
# On HP-UX mbstate_t requires _INCLUDE__STDC_A1_SOURCE
|
|
case $ac_sys_system in
|
|
hp*|HP*)
|
|
define_stdc_a1=yes;;
|
|
*)
|
|
define_stdc_a1=no;;
|
|
esac
|
|
|
|
if test $define_stdc_a1 = yes
|
|
then
|
|
AC_DEFINE(_INCLUDE__STDC_A1_SOURCE, 1, Define to include mbstate_t for mbrtowc)
|
|
fi
|
|
|
|
# Record the configure-time value of MACOSX_DEPLOYMENT_TARGET,
|
|
# it may influence the way we can build extensions, so distutils
|
|
# needs to check it
|
|
AC_SUBST(CONFIGURE_MACOSX_DEPLOYMENT_TARGET)
|
|
AC_SUBST(EXPORT_MACOSX_DEPLOYMENT_TARGET)
|
|
CONFIGURE_MACOSX_DEPLOYMENT_TARGET=
|
|
EXPORT_MACOSX_DEPLOYMENT_TARGET='#'
|
|
|
|
# checks for alternative programs
|
|
|
|
# compiler flags are generated in two sets, BASECFLAGS and OPT. OPT is just
|
|
# for debug/optimization stuff. BASECFLAGS is for flags that are required
|
|
# just to get things to compile and link. Users are free to override OPT
|
|
# when running configure or make. The build should not break if they do.
|
|
# BASECFLAGS should generally not be messed with, however.
|
|
|
|
# If the user switches compilers, we can't believe the cache
|
|
if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
|
|
then
|
|
AC_MSG_ERROR([cached CC is different -- throw away $cache_file
|
|
(it is also a good idea to do 'make clean' before compiling)])
|
|
fi
|
|
|
|
# Don't let AC_PROG_CC set the default CFLAGS. It normally sets -g -O2
|
|
# when the compiler supports them, but we don't always want -O2, and
|
|
# we set -g later.
|
|
if test -z "$CFLAGS"; then
|
|
CFLAGS=
|
|
fi
|
|
|
|
if test "$ac_sys_system" = "Darwin"
|
|
then
|
|
# Compiler selection on MacOSX is more complicated than
|
|
# AC_PROG_CC can handle, see Mac/README for more
|
|
# information
|
|
if test -z "${CC}"
|
|
then
|
|
found_gcc=
|
|
found_clang=
|
|
as_save_IFS=$IFS; IFS=:
|
|
for as_dir in $PATH
|
|
do
|
|
IFS=$as_save_IFS
|
|
if test -x "${as_dir}/gcc"; then
|
|
if test -z "${found_gcc}"; then
|
|
found_gcc="${as_dir}/gcc"
|
|
fi
|
|
fi
|
|
if test -x "${as_dir}/clang"; then
|
|
if test -z "${found_clang}"; then
|
|
found_clang="${as_dir}/clang"
|
|
fi
|
|
fi
|
|
done
|
|
IFS=$as_save_IFS
|
|
|
|
if test -n "$found_gcc" -a -n "$found_clang"
|
|
then
|
|
if test -n "`"$found_gcc" --version | grep llvm-gcc`"
|
|
then
|
|
AC_MSG_NOTICE([Detected llvm-gcc, falling back to clang])
|
|
CC="$found_clang"
|
|
CXX="$found_clang++"
|
|
fi
|
|
|
|
|
|
elif test -z "$found_gcc" -a -n "$found_clang"
|
|
then
|
|
AC_MSG_NOTICE([No GCC found, use CLANG])
|
|
CC="$found_clang"
|
|
CXX="$found_clang++"
|
|
|
|
elif test -z "$found_gcc" -a -z "$found_clang"
|
|
then
|
|
found_clang=`/usr/bin/xcrun -find clang 2>/dev/null`
|
|
if test -n "${found_clang}"
|
|
then
|
|
AC_MSG_NOTICE([Using clang from Xcode.app])
|
|
CC="${found_clang}"
|
|
CXX="`/usr/bin/xcrun -find clang++`"
|
|
|
|
# else: use default behaviour
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
AC_PROG_CC
|
|
AC_PROG_CPP
|
|
AC_PROG_GREP
|
|
AC_PROG_SED
|
|
|
|
AC_SUBST(CXX)
|
|
AC_SUBST(MAINCC)
|
|
AC_MSG_CHECKING(for --with-cxx-main=<compiler>)
|
|
AC_ARG_WITH(cxx_main,
|
|
AS_HELP_STRING([--with-cxx-main@<:@=COMPILER@:>@],
|
|
[compile main() and link Python executable with C++ compiler specified in COMPILER (default is $CXX)]),
|
|
[
|
|
|
|
case $withval in
|
|
no) with_cxx_main=no
|
|
MAINCC='$(CC)';;
|
|
yes) with_cxx_main=yes
|
|
MAINCC='$(CXX)';;
|
|
*) with_cxx_main=yes
|
|
MAINCC=$withval
|
|
if test -z "$CXX"
|
|
then
|
|
CXX=$withval
|
|
fi;;
|
|
esac], [
|
|
with_cxx_main=no
|
|
MAINCC='$(CC)'
|
|
])
|
|
AC_MSG_RESULT($with_cxx_main)
|
|
|
|
preset_cxx="$CXX"
|
|
if test -z "$CXX"
|
|
then
|
|
case "$CC" in
|
|
gcc) AC_PATH_TOOL(CXX, [g++], [g++], [notfound]) ;;
|
|
cc) AC_PATH_TOOL(CXX, [c++], [c++], [notfound]) ;;
|
|
clang|*/clang) AC_PATH_TOOL(CXX, [clang++], [clang++], [notfound]) ;;
|
|
icc|*/icc) AC_PATH_TOOL(CXX, [icpc], [icpc], [notfound]) ;;
|
|
esac
|
|
if test "$CXX" = "notfound"
|
|
then
|
|
CXX=""
|
|
fi
|
|
fi
|
|
if test -z "$CXX"
|
|
then
|
|
AC_CHECK_TOOLS(CXX, $CCC c++ g++ gcc CC cxx cc++ cl, notfound)
|
|
if test "$CXX" = "notfound"
|
|
then
|
|
CXX=""
|
|
fi
|
|
fi
|
|
if test "$preset_cxx" != "$CXX"
|
|
then
|
|
AC_MSG_NOTICE([
|
|
|
|
By default, distutils will build C++ extension modules with "$CXX".
|
|
If this is not intended, then set CXX on the configure command line.
|
|
])
|
|
fi
|
|
|
|
|
|
AC_MSG_CHECKING([for the platform triplet based on compiler characteristics])
|
|
cat >> conftest.c <<EOF
|
|
#undef bfin
|
|
#undef cris
|
|
#undef fr30
|
|
#undef linux
|
|
#undef hppa
|
|
#undef hpux
|
|
#undef i386
|
|
#undef mips
|
|
#undef powerpc
|
|
#undef sparc
|
|
#undef unix
|
|
#if defined(__ANDROID__)
|
|
# Android is not a multiarch system.
|
|
#elif defined(__linux__)
|
|
# if defined(__x86_64__) && defined(__LP64__)
|
|
x86_64-linux-gnu
|
|
# elif defined(__x86_64__) && defined(__ILP32__)
|
|
x86_64-linux-gnux32
|
|
# elif defined(__i386__)
|
|
i386-linux-gnu
|
|
# elif defined(__aarch64__) && defined(__AARCH64EL__)
|
|
# if defined(__ILP32__)
|
|
aarch64_ilp32-linux-gnu
|
|
# else
|
|
aarch64-linux-gnu
|
|
# endif
|
|
# elif defined(__aarch64__) && defined(__AARCH64EB__)
|
|
# if defined(__ILP32__)
|
|
aarch64_be_ilp32-linux-gnu
|
|
# else
|
|
aarch64_be-linux-gnu
|
|
# endif
|
|
# elif defined(__alpha__)
|
|
alpha-linux-gnu
|
|
# elif defined(__ARM_EABI__) && defined(__ARM_PCS_VFP)
|
|
# if defined(__ARMEL__)
|
|
arm-linux-gnueabihf
|
|
# else
|
|
armeb-linux-gnueabihf
|
|
# endif
|
|
# elif defined(__ARM_EABI__) && !defined(__ARM_PCS_VFP)
|
|
# if defined(__ARMEL__)
|
|
arm-linux-gnueabi
|
|
# else
|
|
armeb-linux-gnueabi
|
|
# endif
|
|
# elif defined(__hppa__)
|
|
hppa-linux-gnu
|
|
# elif defined(__ia64__)
|
|
ia64-linux-gnu
|
|
# elif defined(__m68k__) && !defined(__mcoldfire__)
|
|
m68k-linux-gnu
|
|
# elif defined(__mips_hard_float) && defined(__mips_isa_rev) && (__mips_isa_rev >=6) && defined(_MIPSEL)
|
|
# if _MIPS_SIM == _ABIO32
|
|
mipsisa32r6el-linux-gnu
|
|
# elif _MIPS_SIM == _ABIN32
|
|
mipsisa64r6el-linux-gnuabin32
|
|
# elif _MIPS_SIM == _ABI64
|
|
mipsisa64r6el-linux-gnuabi64
|
|
# else
|
|
# error unknown platform triplet
|
|
# endif
|
|
# elif defined(__mips_hard_float) && defined(__mips_isa_rev) && (__mips_isa_rev >=6)
|
|
# if _MIPS_SIM == _ABIO32
|
|
mipsisa32r6-linux-gnu
|
|
# elif _MIPS_SIM == _ABIN32
|
|
mipsisa64r6-linux-gnuabin32
|
|
# elif _MIPS_SIM == _ABI64
|
|
mipsisa64r6-linux-gnuabi64
|
|
# else
|
|
# error unknown platform triplet
|
|
# endif
|
|
# elif defined(__mips_hard_float) && defined(_MIPSEL)
|
|
# if _MIPS_SIM == _ABIO32
|
|
mipsel-linux-gnu
|
|
# elif _MIPS_SIM == _ABIN32
|
|
mips64el-linux-gnuabin32
|
|
# elif _MIPS_SIM == _ABI64
|
|
mips64el-linux-gnuabi64
|
|
# else
|
|
# error unknown platform triplet
|
|
# endif
|
|
# elif defined(__mips_hard_float)
|
|
# if _MIPS_SIM == _ABIO32
|
|
mips-linux-gnu
|
|
# elif _MIPS_SIM == _ABIN32
|
|
mips64-linux-gnuabin32
|
|
# elif _MIPS_SIM == _ABI64
|
|
mips64-linux-gnuabi64
|
|
# else
|
|
# error unknown platform triplet
|
|
# endif
|
|
# elif defined(__or1k__)
|
|
or1k-linux-gnu
|
|
# elif defined(__powerpc__) && defined(__SPE__)
|
|
powerpc-linux-gnuspe
|
|
# elif defined(__powerpc64__)
|
|
# if defined(__LITTLE_ENDIAN__)
|
|
powerpc64le-linux-gnu
|
|
# else
|
|
powerpc64-linux-gnu
|
|
# endif
|
|
# elif defined(__powerpc__)
|
|
powerpc-linux-gnu
|
|
# elif defined(__s390x__)
|
|
s390x-linux-gnu
|
|
# elif defined(__s390__)
|
|
s390-linux-gnu
|
|
# elif defined(__sh__) && defined(__LITTLE_ENDIAN__)
|
|
sh4-linux-gnu
|
|
# elif defined(__sparc__) && defined(__arch64__)
|
|
sparc64-linux-gnu
|
|
# elif defined(__sparc__)
|
|
sparc-linux-gnu
|
|
# elif defined(__riscv)
|
|
# if __riscv_xlen == 32
|
|
riscv32-linux-gnu
|
|
# elif __riscv_xlen == 64
|
|
riscv64-linux-gnu
|
|
# else
|
|
# error unknown platform triplet
|
|
# endif
|
|
# else
|
|
# error unknown platform triplet
|
|
# endif
|
|
#elif defined(__FreeBSD_kernel__)
|
|
# if defined(__LP64__)
|
|
x86_64-kfreebsd-gnu
|
|
# elif defined(__i386__)
|
|
i386-kfreebsd-gnu
|
|
# else
|
|
# error unknown platform triplet
|
|
# endif
|
|
#elif defined(__gnu_hurd__)
|
|
i386-gnu
|
|
#elif defined(__APPLE__)
|
|
darwin
|
|
#elif defined(__VXWORKS__)
|
|
vxworks
|
|
#else
|
|
# error unknown platform triplet
|
|
#endif
|
|
|
|
EOF
|
|
|
|
if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
|
|
PLATFORM_TRIPLET=`grep -v '^#' conftest.out | grep -v '^ *$' | tr -d ' '`
|
|
AC_MSG_RESULT([$PLATFORM_TRIPLET])
|
|
else
|
|
AC_MSG_RESULT([none])
|
|
fi
|
|
rm -f conftest.c conftest.out
|
|
|
|
AC_MSG_CHECKING([for multiarch])
|
|
AS_CASE([$ac_sys_system],
|
|
[Darwin*], [MULTIARCH=""],
|
|
[FreeBSD*], [MULTIARCH=""],
|
|
[MULTIARCH=$($CC --print-multiarch 2>/dev/null)]
|
|
)
|
|
AC_SUBST([MULTIARCH])
|
|
AC_MSG_RESULT([$MULTIARCH])
|
|
|
|
if test x$PLATFORM_TRIPLET != x && test x$MULTIARCH != x; then
|
|
if test x$PLATFORM_TRIPLET != x$MULTIARCH; then
|
|
AC_MSG_ERROR([internal configure error for the platform triplet, please file a bug report])
|
|
fi
|
|
elif test x$PLATFORM_TRIPLET != x && test x$MULTIARCH = x; then
|
|
MULTIARCH=$PLATFORM_TRIPLET
|
|
fi
|
|
AC_SUBST(PLATFORM_TRIPLET)
|
|
|
|
if test x$MULTIARCH != x; then
|
|
MULTIARCH_CPPFLAGS="-DMULTIARCH=\\\"$MULTIARCH\\\""
|
|
fi
|
|
AC_SUBST(MULTIARCH_CPPFLAGS)
|
|
|
|
AC_MSG_CHECKING([for -Wl,--no-as-needed])
|
|
save_LDFLAGS="$LDFLAGS"
|
|
LDFLAGS="$LDFLAGS -Wl,--no-as-needed"
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
|
[NO_AS_NEEDED="-Wl,--no-as-needed"
|
|
AC_MSG_RESULT([yes])],
|
|
[NO_AS_NEEDED=""
|
|
AC_MSG_RESULT([no])])
|
|
LDFLAGS="$save_LDFLAGS"
|
|
AC_SUBST(NO_AS_NEEDED)
|
|
|
|
|
|
# checks for UNIX variants that set C preprocessor variables
|
|
AC_USE_SYSTEM_EXTENSIONS
|
|
|
|
AC_MSG_CHECKING([for the Android API level])
|
|
cat >> conftest.c <<EOF
|
|
#ifdef __ANDROID__
|
|
android_api = __ANDROID_API__
|
|
arm_arch = __ARM_ARCH
|
|
#else
|
|
#error not Android
|
|
#endif
|
|
EOF
|
|
|
|
if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
|
|
ANDROID_API_LEVEL=`sed -n -e '/__ANDROID_API__/d' -e 's/^android_api = //p' conftest.out`
|
|
_arm_arch=`sed -n -e '/__ARM_ARCH/d' -e 's/^arm_arch = //p' conftest.out`
|
|
AC_MSG_RESULT([$ANDROID_API_LEVEL])
|
|
if test -z "$ANDROID_API_LEVEL"; then
|
|
echo 'Fatal: you must define __ANDROID_API__'
|
|
exit 1
|
|
fi
|
|
AC_DEFINE_UNQUOTED(ANDROID_API_LEVEL, $ANDROID_API_LEVEL, [The Android API level.])
|
|
|
|
AC_MSG_CHECKING([for the Android arm ABI])
|
|
AC_MSG_RESULT([$_arm_arch])
|
|
if test "$_arm_arch" = 7; then
|
|
BASECFLAGS="${BASECFLAGS} -mfloat-abi=softfp -mfpu=vfpv3-d16"
|
|
LDFLAGS="${LDFLAGS} -march=armv7-a -Wl,--fix-cortex-a8"
|
|
fi
|
|
else
|
|
AC_MSG_RESULT([not Android])
|
|
fi
|
|
rm -f conftest.c conftest.out
|
|
|
|
# Check for unsupported systems
|
|
case $ac_sys_system/$ac_sys_release in
|
|
atheos*|Linux*/1*)
|
|
echo This system \($ac_sys_system/$ac_sys_release\) is no longer supported.
|
|
echo See README for details.
|
|
exit 1;;
|
|
esac
|
|
|
|
AC_EXEEXT
|
|
AC_MSG_CHECKING(for --with-suffix)
|
|
AC_ARG_WITH(suffix,
|
|
AS_HELP_STRING([--with-suffix=SUFFIX], [set executable suffix to SUFFIX (default is '.exe')]),
|
|
[
|
|
case $withval in
|
|
no) EXEEXT=;;
|
|
yes) EXEEXT=.exe;;
|
|
*) EXEEXT=$withval;;
|
|
esac])
|
|
AC_MSG_RESULT($EXEEXT)
|
|
|
|
# Test whether we're running on a non-case-sensitive system, in which
|
|
# case we give a warning if no ext is given
|
|
AC_SUBST(BUILDEXEEXT)
|
|
AC_MSG_CHECKING(for case-insensitive build directory)
|
|
if test ! -d CaseSensitiveTestDir; then
|
|
mkdir CaseSensitiveTestDir
|
|
fi
|
|
|
|
if test -d casesensitivetestdir
|
|
then
|
|
AC_MSG_RESULT(yes)
|
|
BUILDEXEEXT=.exe
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
BUILDEXEEXT=$EXEEXT
|
|
fi
|
|
rmdir CaseSensitiveTestDir
|
|
|
|
case $ac_sys_system in
|
|
hp*|HP*)
|
|
case $CC in
|
|
cc|*/cc) CC="$CC -Ae";;
|
|
esac;;
|
|
esac
|
|
|
|
AC_SUBST(LIBRARY)
|
|
AC_MSG_CHECKING(LIBRARY)
|
|
if test -z "$LIBRARY"
|
|
then
|
|
LIBRARY='libpython$(VERSION)$(ABIFLAGS).a'
|
|
fi
|
|
AC_MSG_RESULT($LIBRARY)
|
|
|
|
# LDLIBRARY is the name of the library to link against (as opposed to the
|
|
# name of the library into which to insert object files). BLDLIBRARY is also
|
|
# the library to link against, usually. On Mac OS X frameworks, BLDLIBRARY
|
|
# is blank as the main program is not linked directly against LDLIBRARY.
|
|
# LDLIBRARYDIR is the path to LDLIBRARY, which is made in a subdirectory. On
|
|
# systems without shared libraries, LDLIBRARY is the same as LIBRARY
|
|
# (defined in the Makefiles). On Cygwin LDLIBRARY is the import library,
|
|
# DLLLIBRARY is the shared (i.e., DLL) library.
|
|
#
|
|
# RUNSHARED is used to run shared python without installed libraries
|
|
#
|
|
# INSTSONAME is the name of the shared library that will be use to install
|
|
# on the system - some systems like version suffix, others don't
|
|
#
|
|
# LDVERSION is the shared library version number, normally the Python version
|
|
# with the ABI build flags appended.
|
|
AC_SUBST(LDLIBRARY)
|
|
AC_SUBST(DLLLIBRARY)
|
|
AC_SUBST(BLDLIBRARY)
|
|
AC_SUBST(PY3LIBRARY)
|
|
AC_SUBST(LDLIBRARYDIR)
|
|
AC_SUBST(INSTSONAME)
|
|
AC_SUBST(RUNSHARED)
|
|
AC_SUBST(LDVERSION)
|
|
LDLIBRARY="$LIBRARY"
|
|
BLDLIBRARY='$(LDLIBRARY)'
|
|
INSTSONAME='$(LDLIBRARY)'
|
|
DLLLIBRARY=''
|
|
LDLIBRARYDIR=''
|
|
RUNSHARED=''
|
|
LDVERSION="$VERSION"
|
|
|
|
# LINKCC is the command that links the python executable -- default is $(CC).
|
|
# If CXX is set, and if it is needed to link a main function that was
|
|
# compiled with CXX, LINKCC is CXX instead. Always using CXX is undesirable:
|
|
# python might then depend on the C++ runtime
|
|
AC_SUBST(LINKCC)
|
|
AC_MSG_CHECKING(LINKCC)
|
|
if test -z "$LINKCC"
|
|
then
|
|
LINKCC='$(PURIFY) $(MAINCC)'
|
|
case $ac_sys_system in
|
|
QNX*)
|
|
# qcc must be used because the other compilers do not
|
|
# support -N.
|
|
LINKCC=qcc;;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($LINKCC)
|
|
|
|
# EXPORTSYMS holds the list of exported symbols for AIX.
|
|
# EXPORTSFROM holds the module name exporting symbols on AIX.
|
|
EXPORTSYMS=
|
|
EXPORTSFROM=
|
|
AC_SUBST(EXPORTSYMS)
|
|
AC_SUBST(EXPORTSFROM)
|
|
AC_MSG_CHECKING(EXPORTSYMS)
|
|
case $ac_sys_system in
|
|
AIX*)
|
|
EXPORTSYMS="Modules/python.exp"
|
|
EXPORTSFROM=. # the main executable
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT($EXPORTSYMS)
|
|
|
|
# GNULD is set to "yes" if the GNU linker is used. If this goes wrong
|
|
# make sure we default having it set to "no": this is used by
|
|
# distutils.unixccompiler to know if it should add --enable-new-dtags
|
|
# to linker command lines, and failing to detect GNU ld simply results
|
|
# in the same bahaviour as before.
|
|
AC_SUBST(GNULD)
|
|
AC_MSG_CHECKING(for GNU ld)
|
|
ac_prog=ld
|
|
if test "$GCC" = yes; then
|
|
ac_prog=`$CC -print-prog-name=ld`
|
|
fi
|
|
case `"$ac_prog" -V 2>&1 < /dev/null` in
|
|
*GNU*)
|
|
GNULD=yes;;
|
|
*)
|
|
GNULD=no;;
|
|
esac
|
|
AC_MSG_RESULT($GNULD)
|
|
|
|
AC_MSG_CHECKING(for --enable-shared)
|
|
AC_ARG_ENABLE(shared,
|
|
AS_HELP_STRING([--enable-shared], [enable building a shared Python library (default is no)]))
|
|
|
|
if test -z "$enable_shared"
|
|
then
|
|
case $ac_sys_system in
|
|
CYGWIN*)
|
|
enable_shared="yes";;
|
|
*)
|
|
enable_shared="no";;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($enable_shared)
|
|
|
|
AC_MSG_CHECKING(for --enable-profiling)
|
|
AC_ARG_ENABLE(profiling,
|
|
AS_HELP_STRING([--enable-profiling], [enable C-level code profiling with gprof (default is no)]))
|
|
if test "x$enable_profiling" = xyes; then
|
|
ac_save_cc="$CC"
|
|
CC="$CC -pg"
|
|
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
|
|
[],
|
|
[enable_profiling=no])
|
|
CC="$ac_save_cc"
|
|
else
|
|
enable_profiling=no
|
|
fi
|
|
AC_MSG_RESULT($enable_profiling)
|
|
|
|
if test "x$enable_profiling" = xyes; then
|
|
BASECFLAGS="-pg $BASECFLAGS"
|
|
LDFLAGS="-pg $LDFLAGS"
|
|
fi
|
|
|
|
AC_MSG_CHECKING(LDLIBRARY)
|
|
|
|
# MacOSX framework builds need more magic. LDLIBRARY is the dynamic
|
|
# library that we build, but we do not want to link against it (we
|
|
# will find it with a -framework option). For this reason there is an
|
|
# extra variable BLDLIBRARY against which Python and the extension
|
|
# modules are linked, BLDLIBRARY. This is normally the same as
|
|
# LDLIBRARY, but empty for MacOSX framework builds.
|
|
if test "$enable_framework"
|
|
then
|
|
LDLIBRARY='$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
RUNSHARED=DYLD_FRAMEWORK_PATH=`pwd`${DYLD_FRAMEWORK_PATH:+:${DYLD_FRAMEWORK_PATH}}
|
|
BLDLIBRARY=''
|
|
else
|
|
BLDLIBRARY='$(LDLIBRARY)'
|
|
fi
|
|
|
|
# Other platforms follow
|
|
if test $enable_shared = "yes"; then
|
|
PY_ENABLE_SHARED=1
|
|
AC_DEFINE(Py_ENABLE_SHARED, 1, [Defined if Python is built as a shared library.])
|
|
case $ac_sys_system in
|
|
CYGWIN*)
|
|
LDLIBRARY='libpython$(LDVERSION).dll.a'
|
|
DLLLIBRARY='libpython$(LDVERSION).dll'
|
|
;;
|
|
SunOS*)
|
|
LDLIBRARY='libpython$(LDVERSION).so'
|
|
BLDLIBRARY='-Wl,-R,$(LIBDIR) -L. -lpython$(LDVERSION)'
|
|
RUNSHARED=LD_LIBRARY_PATH=`pwd`${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
|
|
INSTSONAME="$LDLIBRARY".$SOVERSION
|
|
if test "$with_pydebug" != yes
|
|
then
|
|
PY3LIBRARY=libpython3.so
|
|
fi
|
|
;;
|
|
Linux*|GNU*|NetBSD*|FreeBSD*|DragonFly*|OpenBSD*|VxWorks*)
|
|
LDLIBRARY='libpython$(LDVERSION).so'
|
|
BLDLIBRARY='-L. -lpython$(LDVERSION)'
|
|
RUNSHARED=LD_LIBRARY_PATH=`pwd`${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
|
|
INSTSONAME="$LDLIBRARY".$SOVERSION
|
|
if test "$with_pydebug" != yes
|
|
then
|
|
PY3LIBRARY=libpython3.so
|
|
fi
|
|
;;
|
|
hp*|HP*)
|
|
case `uname -m` in
|
|
ia64)
|
|
LDLIBRARY='libpython$(LDVERSION).so'
|
|
;;
|
|
*)
|
|
LDLIBRARY='libpython$(LDVERSION).sl'
|
|
;;
|
|
esac
|
|
BLDLIBRARY='-Wl,+b,$(LIBDIR) -L. -lpython$(LDVERSION)'
|
|
RUNSHARED=SHLIB_PATH=`pwd`${SHLIB_PATH:+:${SHLIB_PATH}}
|
|
;;
|
|
Darwin*)
|
|
LDLIBRARY='libpython$(LDVERSION).dylib'
|
|
BLDLIBRARY='-L. -lpython$(LDVERSION)'
|
|
RUNSHARED=DYLD_LIBRARY_PATH=`pwd`${DYLD_LIBRARY_PATH:+:${DYLD_LIBRARY_PATH}}
|
|
;;
|
|
AIX*)
|
|
LDLIBRARY='libpython$(LDVERSION).so'
|
|
RUNSHARED=LIBPATH=`pwd`${LIBPATH:+:${LIBPATH}}
|
|
;;
|
|
|
|
esac
|
|
else # shared is disabled
|
|
PY_ENABLE_SHARED=0
|
|
case $ac_sys_system in
|
|
CYGWIN*)
|
|
BLDLIBRARY='$(LIBRARY)'
|
|
LDLIBRARY='libpython$(LDVERSION).dll.a'
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
if test "$cross_compiling" = yes; then
|
|
RUNSHARED=
|
|
fi
|
|
|
|
AC_MSG_RESULT($LDLIBRARY)
|
|
|
|
AC_SUBST(AR)
|
|
AC_CHECK_TOOLS(AR, ar aal, ar)
|
|
|
|
# tweak ARFLAGS only if the user didn't set it on the command line
|
|
AC_SUBST(ARFLAGS)
|
|
if test -z "$ARFLAGS"
|
|
then
|
|
ARFLAGS="rcs"
|
|
fi
|
|
|
|
AC_CHECK_TOOLS([READELF], [readelf], [:])
|
|
if test "$cross_compiling" = yes; then
|
|
case "$READELF" in
|
|
readelf|:)
|
|
AC_MSG_ERROR([readelf for the host is required for cross builds])
|
|
;;
|
|
esac
|
|
fi
|
|
AC_SUBST(READELF)
|
|
|
|
|
|
case $MACHDEP in
|
|
hp*|HP*)
|
|
# install -d does not work on HP-UX
|
|
if test -z "$INSTALL"
|
|
then
|
|
INSTALL="${srcdir}/install-sh -c"
|
|
fi
|
|
esac
|
|
AC_PROG_INSTALL
|
|
AC_PROG_MKDIR_P
|
|
|
|
# Not every filesystem supports hard links
|
|
AC_SUBST(LN)
|
|
if test -z "$LN" ; then
|
|
case $ac_sys_system in
|
|
CYGWIN*) LN="ln -s";;
|
|
*) LN=ln;;
|
|
esac
|
|
fi
|
|
|
|
# For calculating the .so ABI tag.
|
|
AC_SUBST(ABIFLAGS)
|
|
ABIFLAGS=""
|
|
|
|
# Check for --with-pydebug
|
|
AC_MSG_CHECKING(for --with-pydebug)
|
|
AC_ARG_WITH(pydebug,
|
|
AS_HELP_STRING([--with-pydebug], [build with Py_DEBUG defined (default is no)]),
|
|
[
|
|
if test "$withval" != no
|
|
then
|
|
AC_DEFINE(Py_DEBUG, 1,
|
|
[Define if you want to build an interpreter with many run-time checks.])
|
|
AC_MSG_RESULT(yes);
|
|
Py_DEBUG='true'
|
|
ABIFLAGS="${ABIFLAGS}d"
|
|
else AC_MSG_RESULT(no); Py_DEBUG='false'
|
|
fi],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
# Check for --with-trace-refs
|
|
# --with-trace-refs
|
|
AC_MSG_CHECKING(for --with-trace-refs)
|
|
AC_ARG_WITH(trace-refs,
|
|
AS_HELP_STRING(
|
|
[--with-trace-refs],
|
|
[enable tracing references for debugging purpose (default is no)]),,
|
|
with_trace_refs=no)
|
|
AC_MSG_RESULT($with_trace_refs)
|
|
|
|
if test "$with_trace_refs" = "yes"
|
|
then
|
|
AC_DEFINE(Py_TRACE_REFS, 1, [Define if you want to enable tracing references for debugging purpose])
|
|
fi
|
|
|
|
# Check for --with-assertions.
|
|
# This allows enabling assertions without Py_DEBUG.
|
|
assertions='false'
|
|
AC_MSG_CHECKING(for --with-assertions)
|
|
AC_ARG_WITH(assertions,
|
|
AS_HELP_STRING([--with-assertions],[build with C assertions enabled (default is no)]),
|
|
[
|
|
if test "$withval" != no
|
|
then
|
|
assertions='true'
|
|
fi],
|
|
[])
|
|
if test "$assertions" = 'true'; then
|
|
AC_MSG_RESULT(yes)
|
|
elif test "$Py_DEBUG" = 'true'; then
|
|
assertions='true'
|
|
AC_MSG_RESULT(implied by --with-pydebug)
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
# Enable optimization flags
|
|
AC_SUBST(DEF_MAKE_ALL_RULE)
|
|
AC_SUBST(DEF_MAKE_RULE)
|
|
Py_OPT='false'
|
|
AC_MSG_CHECKING(for --enable-optimizations)
|
|
AC_ARG_ENABLE(optimizations, AS_HELP_STRING(
|
|
[--enable-optimizations],
|
|
[enable expensive, stable optimizations (PGO, etc.) (default is no)]),
|
|
[
|
|
if test "$enableval" != no
|
|
then
|
|
Py_OPT='true'
|
|
AC_MSG_RESULT(yes);
|
|
else
|
|
Py_OPT='false'
|
|
AC_MSG_RESULT(no);
|
|
fi],
|
|
[AC_MSG_RESULT(no)])
|
|
if test "$Py_OPT" = 'true' ; then
|
|
# Intentionally not forcing Py_LTO='true' here. Too many toolchains do not
|
|
# compile working code using it and both test_distutils and test_gdb are
|
|
# broken when you do manage to get a toolchain that works with it. People
|
|
# who want LTO need to use --with-lto themselves.
|
|
DEF_MAKE_ALL_RULE="profile-opt"
|
|
REQUIRE_PGO="yes"
|
|
DEF_MAKE_RULE="build_all"
|
|
case $CC in
|
|
*gcc*)
|
|
AX_CHECK_COMPILE_FLAG([-fno-semantic-interposition],[
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -fno-semantic-interposition"
|
|
LDFLAGS_NODIST="$LDFLAGS_NODIST -fno-semantic-interposition"
|
|
])
|
|
;;
|
|
esac
|
|
|
|
|
|
else
|
|
DEF_MAKE_ALL_RULE="build_all"
|
|
REQUIRE_PGO="no"
|
|
DEF_MAKE_RULE="all"
|
|
fi
|
|
|
|
AC_ARG_VAR(PROFILE_TASK, Python args for PGO generation task)
|
|
AC_MSG_CHECKING(PROFILE_TASK)
|
|
if test -z "$PROFILE_TASK"
|
|
then
|
|
PROFILE_TASK='-m test --pgo --timeout=$(TESTTIMEOUT)'
|
|
fi
|
|
AC_MSG_RESULT($PROFILE_TASK)
|
|
|
|
# Make llvm-relatec checks work on systems where llvm tools are not installed with their
|
|
# normal names in the default $PATH (ie: Ubuntu). They exist under the
|
|
# non-suffixed name in their versioned llvm directory.
|
|
|
|
llvm_bin_dir=''
|
|
llvm_path="${PATH}"
|
|
if test "${CC}" = "clang"
|
|
then
|
|
clang_bin=`which clang`
|
|
# Some systems install clang elsewhere as a symlink to the real path
|
|
# which is where the related llvm tools are located.
|
|
if test -L "${clang_bin}"
|
|
then
|
|
clang_dir=`dirname "${clang_bin}"`
|
|
clang_bin=`readlink "${clang_bin}"`
|
|
llvm_bin_dir="${clang_dir}/"`dirname "${clang_bin}"`
|
|
llvm_path="${llvm_path}${PATH_SEPARATOR}${llvm_bin_dir}"
|
|
fi
|
|
fi
|
|
|
|
# Enable LTO flags
|
|
AC_MSG_CHECKING(for --with-lto)
|
|
AC_ARG_WITH(lto, AS_HELP_STRING([--with-lto], [enable Link-Time-Optimization in any build (default is no)]),
|
|
[
|
|
if test "$withval" != no
|
|
then
|
|
Py_LTO='true'
|
|
AC_MSG_RESULT(yes);
|
|
else
|
|
Py_LTO='false'
|
|
AC_MSG_RESULT(no);
|
|
fi],
|
|
[AC_MSG_RESULT(no)])
|
|
if test "$Py_LTO" = 'true' ; then
|
|
case $CC in
|
|
*clang*)
|
|
AC_SUBST(LLVM_AR)
|
|
AC_PATH_TOOL(LLVM_AR, llvm-ar, '', ${llvm_path})
|
|
AC_SUBST(LLVM_AR_FOUND)
|
|
if test -n "${LLVM_AR}" -a -x "${LLVM_AR}"
|
|
then
|
|
LLVM_AR_FOUND="found"
|
|
else
|
|
LLVM_AR_FOUND="not-found"
|
|
fi
|
|
if test "$ac_sys_system" = "Darwin" -a "${LLVM_AR_FOUND}" = "not-found"
|
|
then
|
|
# The Apple-supplied ar in Xcode or the Command Line Tools is apparently sufficient
|
|
found_llvm_ar=`/usr/bin/xcrun -find ar 2>/dev/null`
|
|
if test -n "${found_llvm_ar}"
|
|
then
|
|
LLVM_AR='/usr/bin/xcrun ar'
|
|
LLVM_AR_FOUND=found
|
|
AC_MSG_NOTICE([llvm-ar found via xcrun: ${LLVM_AR}])
|
|
fi
|
|
fi
|
|
if test $LLVM_AR_FOUND = not-found
|
|
then
|
|
LLVM_PROFR_ERR=yes
|
|
AC_MSG_ERROR([llvm-ar is required for a --with-lto build with clang but could not be found.])
|
|
else
|
|
LLVM_AR_ERR=no
|
|
fi
|
|
AR="${LLVM_AR}"
|
|
case $ac_sys_system in
|
|
Darwin*)
|
|
# Any changes made here should be reflected in the GCC+Darwin case below
|
|
LTOFLAGS="-flto -Wl,-export_dynamic"
|
|
LTOCFLAGS="-flto"
|
|
;;
|
|
*)
|
|
LTOFLAGS="-flto"
|
|
;;
|
|
esac
|
|
;;
|
|
*gcc*)
|
|
case $ac_sys_system in
|
|
Darwin*)
|
|
LTOFLAGS="-flto -Wl,-export_dynamic"
|
|
LTOCFLAGS="-flto"
|
|
;;
|
|
*)
|
|
LTOFLAGS="-flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none"
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
|
|
if test "$ac_cv_prog_cc_g" = "yes"
|
|
then
|
|
# bpo-30345: Add -g to LDFLAGS when compiling with LTO
|
|
# to get debug symbols.
|
|
LTOFLAGS="$LTOFLAGS -g"
|
|
fi
|
|
|
|
CFLAGS_NODIST="$CFLAGS_NODIST ${LTOCFLAGS-$LTOFLAGS}"
|
|
LDFLAGS_NODIST="$LDFLAGS_NODIST $LTOFLAGS"
|
|
fi
|
|
|
|
# Enable PGO flags.
|
|
AC_SUBST(PGO_PROF_GEN_FLAG)
|
|
AC_SUBST(PGO_PROF_USE_FLAG)
|
|
AC_SUBST(LLVM_PROF_MERGER)
|
|
AC_SUBST(LLVM_PROF_FILE)
|
|
AC_SUBST(LLVM_PROF_ERR)
|
|
AC_SUBST(LLVM_PROFDATA)
|
|
AC_PATH_TOOL(LLVM_PROFDATA, llvm-profdata, '', ${llvm_path})
|
|
AC_SUBST(LLVM_PROF_FOUND)
|
|
if test -n "${LLVM_PROFDATA}" -a -x "${LLVM_PROFDATA}"
|
|
then
|
|
LLVM_PROF_FOUND="found"
|
|
else
|
|
LLVM_PROF_FOUND="not-found"
|
|
fi
|
|
if test "$ac_sys_system" = "Darwin" -a "${LLVM_PROF_FOUND}" = "not-found"
|
|
then
|
|
found_llvm_profdata=`/usr/bin/xcrun -find llvm-profdata 2>/dev/null`
|
|
if test -n "${found_llvm_profdata}"
|
|
then
|
|
# llvm-profdata isn't directly in $PATH in some cases.
|
|
# https://apple.stackexchange.com/questions/197053/
|
|
LLVM_PROFDATA='/usr/bin/xcrun llvm-profdata'
|
|
LLVM_PROF_FOUND=found
|
|
AC_MSG_NOTICE([llvm-profdata found via xcrun: ${LLVM_PROFDATA}])
|
|
fi
|
|
fi
|
|
LLVM_PROF_ERR=no
|
|
case $CC in
|
|
*clang*)
|
|
# Any changes made here should be reflected in the GCC+Darwin case below
|
|
PGO_PROF_GEN_FLAG="-fprofile-instr-generate"
|
|
PGO_PROF_USE_FLAG="-fprofile-instr-use=code.profclangd"
|
|
LLVM_PROF_MERGER="${LLVM_PROFDATA} merge -output=code.profclangd *.profclangr"
|
|
LLVM_PROF_FILE="LLVM_PROFILE_FILE=\"code-%p.profclangr\""
|
|
if test $LLVM_PROF_FOUND = not-found
|
|
then
|
|
LLVM_PROF_ERR=yes
|
|
if test "${REQUIRE_PGO}" = "yes"
|
|
then
|
|
AC_MSG_ERROR([llvm-profdata is required for a --enable-optimizations build but could not be found.])
|
|
fi
|
|
fi
|
|
;;
|
|
*gcc*)
|
|
case $ac_sys_system in
|
|
Darwin*)
|
|
PGO_PROF_GEN_FLAG="-fprofile-instr-generate"
|
|
PGO_PROF_USE_FLAG="-fprofile-instr-use=code.profclangd"
|
|
LLVM_PROF_MERGER="${LLVM_PROFDATA} merge -output=code.profclangd *.profclangr"
|
|
LLVM_PROF_FILE="LLVM_PROFILE_FILE=\"code-%p.profclangr\""
|
|
if test "${LLVM_PROF_FOUND}" = "not-found"
|
|
then
|
|
LLVM_PROF_ERR=yes
|
|
if test "${REQUIRE_PGO}" = "yes"
|
|
then
|
|
AC_MSG_ERROR([llvm-profdata is required for a --enable-optimizations build but could not be found.])
|
|
fi
|
|
fi
|
|
;;
|
|
*)
|
|
PGO_PROF_GEN_FLAG="-fprofile-generate"
|
|
PGO_PROF_USE_FLAG="-fprofile-use -fprofile-correction"
|
|
LLVM_PROF_MERGER="true"
|
|
LLVM_PROF_FILE=""
|
|
;;
|
|
esac
|
|
;;
|
|
*icc*)
|
|
PGO_PROF_GEN_FLAG="-prof-gen"
|
|
PGO_PROF_USE_FLAG="-prof-use"
|
|
LLVM_PROF_MERGER="true"
|
|
LLVM_PROF_FILE=""
|
|
;;
|
|
esac
|
|
|
|
# XXX Shouldn't the code above that fiddles with BASECFLAGS and OPT be
|
|
# merged with this chunk of code?
|
|
|
|
# Optimizer/debugger flags
|
|
# ------------------------
|
|
# (The following bit of code is complicated enough - please keep things
|
|
# indented properly. Just pretend you're editing Python code. ;-)
|
|
|
|
# There are two parallel sets of case statements below, one that checks to
|
|
# see if OPT was set and one that does BASECFLAGS setting based upon
|
|
# compiler and platform. BASECFLAGS tweaks need to be made even if the
|
|
# user set OPT.
|
|
|
|
case $CC in
|
|
*clang*)
|
|
cc_is_clang=1
|
|
;;
|
|
*)
|
|
if $CC --version 2>&1 | grep -q clang
|
|
then
|
|
cc_is_clang=1
|
|
else
|
|
cc_is_clang=
|
|
fi
|
|
esac
|
|
|
|
# tweak OPT based on compiler and platform, only if the user didn't set
|
|
# it on the command line
|
|
AC_SUBST(OPT)
|
|
AC_SUBST(CFLAGS_ALIASING)
|
|
if test "${OPT-unset}" = "unset"
|
|
then
|
|
case $GCC in
|
|
yes)
|
|
# For gcc 4.x we need to use -fwrapv so lets check if its supported
|
|
if "$CC" -v --help 2>/dev/null |grep -- -fwrapv > /dev/null; then
|
|
WRAP="-fwrapv"
|
|
fi
|
|
|
|
if test -n "${cc_is_clang}"
|
|
then
|
|
# Clang also needs -fwrapv
|
|
WRAP="-fwrapv"
|
|
# bpo-30104: disable strict aliasing to compile correctly dtoa.c,
|
|
# see Makefile.pre.in for more information
|
|
CFLAGS_ALIASING="-fno-strict-aliasing"
|
|
fi
|
|
|
|
case $ac_cv_prog_cc_g in
|
|
yes)
|
|
if test "$Py_DEBUG" = 'true' ; then
|
|
# Optimization messes up debuggers, so turn it off for
|
|
# debug builds.
|
|
if "$CC" -v --help 2>/dev/null |grep -- -Og > /dev/null; then
|
|
OPT="-g -Og -Wall"
|
|
else
|
|
OPT="-g -O0 -Wall"
|
|
fi
|
|
else
|
|
OPT="-g $WRAP -O3 -Wall"
|
|
fi
|
|
;;
|
|
*)
|
|
OPT="-O3 -Wall"
|
|
;;
|
|
esac
|
|
|
|
case $ac_sys_system in
|
|
SCO_SV*) OPT="$OPT -m486 -DSCO5"
|
|
;;
|
|
esac
|
|
;;
|
|
|
|
*)
|
|
OPT="-O"
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
AC_SUBST(BASECFLAGS)
|
|
AC_SUBST(CFLAGS_NODIST)
|
|
AC_SUBST(LDFLAGS_NODIST)
|
|
|
|
# The -arch flags for universal builds on macOS
|
|
UNIVERSAL_ARCH_FLAGS=
|
|
AC_SUBST(UNIVERSAL_ARCH_FLAGS)
|
|
|
|
# tweak BASECFLAGS based on compiler and platform
|
|
case $GCC in
|
|
yes)
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -std=c99"
|
|
|
|
AC_MSG_CHECKING(for -Wextra)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -Wextra -Werror"
|
|
AC_CACHE_VAL(ac_cv_extra_warnings,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
ac_cv_extra_warnings=yes
|
|
],[
|
|
ac_cv_extra_warnings=no
|
|
]))
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_extra_warnings)
|
|
|
|
if test $ac_cv_extra_warnings = yes
|
|
then
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -Wextra"
|
|
fi
|
|
|
|
# Python doesn't violate C99 aliasing rules, but older versions of
|
|
# GCC produce warnings for legal Python code. Enable
|
|
# -fno-strict-aliasing on versions of GCC that support but produce
|
|
# warnings. See Issue3326
|
|
AC_MSG_CHECKING(whether $CC accepts and needs -fno-strict-aliasing)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -fno-strict-aliasing"
|
|
save_CFLAGS="$CFLAGS"
|
|
AC_CACHE_VAL(ac_cv_no_strict_aliasing,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
CC="$ac_save_cc -fstrict-aliasing"
|
|
CFLAGS="$CFLAGS -Werror -Wstrict-aliasing"
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[void f(int **x) {}]],
|
|
[[double *x; f((int **) &x);]])
|
|
],[
|
|
ac_cv_no_strict_aliasing=no
|
|
],[
|
|
ac_cv_no_strict_aliasing=yes
|
|
])
|
|
],[
|
|
ac_cv_no_strict_aliasing=no
|
|
]))
|
|
CFLAGS="$save_CFLAGS"
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_no_strict_aliasing)
|
|
if test $ac_cv_no_strict_aliasing = yes
|
|
then
|
|
BASECFLAGS="$BASECFLAGS -fno-strict-aliasing"
|
|
fi
|
|
|
|
# ICC doesn't recognize the option, but only emits a warning
|
|
## XXX does it emit an unused result warning and can it be disabled?
|
|
case "$CC" in
|
|
*icc*)
|
|
ac_cv_disable_unused_result_warning=no
|
|
;;
|
|
*)
|
|
AC_MSG_CHECKING(if we can turn off $CC unused result warning)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -Wunused-result -Werror"
|
|
save_CFLAGS="$CFLAGS"
|
|
AC_CACHE_VAL(ac_cv_disable_unused_result_warning,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
ac_cv_disable_unused_result_warning=yes
|
|
],[
|
|
ac_cv_disable_unused_result_warning=no
|
|
]))
|
|
CFLAGS="$save_CFLAGS"
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_disable_unused_result_warning)
|
|
;;
|
|
esac
|
|
|
|
if test $ac_cv_disable_unused_result_warning = yes
|
|
then
|
|
BASECFLAGS="$BASECFLAGS -Wno-unused-result"
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -Wno-unused-result"
|
|
fi
|
|
|
|
AC_MSG_CHECKING(if we can turn off $CC unused parameter warning)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -Wunused-parameter -Werror"
|
|
AC_CACHE_VAL(ac_cv_disable_unused_parameter_warning,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
ac_cv_disable_unused_parameter_warning=yes
|
|
],[
|
|
ac_cv_disable_unused_parameter_warning=no
|
|
]))
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_disable_unused_parameter_warning)
|
|
|
|
if test $ac_cv_disable_unused_parameter_warning = yes
|
|
then
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -Wno-unused-parameter"
|
|
fi
|
|
|
|
AC_MSG_CHECKING(if we can turn off $CC missing field initializers warning)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -Wmissing-field-initializers -Werror"
|
|
AC_CACHE_VAL(ac_cv_disable_missing_field_initializers,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
ac_cv_disable_missing_field_initializers=yes
|
|
],[
|
|
ac_cv_disable_missing_field_initializers=no
|
|
]))
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_disable_missing_field_initializers)
|
|
|
|
if test $ac_cv_disable_missing_field_initializers = yes
|
|
then
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -Wno-missing-field-initializers"
|
|
fi
|
|
|
|
AC_MSG_CHECKING(if we can turn on $CC mixed sign comparison warning)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -Wsign-compare"
|
|
save_CFLAGS="$CFLAGS"
|
|
AC_CACHE_VAL(ac_cv_enable_sign_compare_warning,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
ac_cv_enable_sign_compare_warning=yes
|
|
],[
|
|
ac_cv_enable_sign_compare_warning=no
|
|
]))
|
|
CFLAGS="$save_CFLAGS"
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_enable_sign_compare_warning)
|
|
|
|
if test $ac_cv_enable_sign_compare_warning = yes
|
|
then
|
|
BASECFLAGS="$BASECFLAGS -Wsign-compare"
|
|
fi
|
|
|
|
AC_MSG_CHECKING(if we can turn on $CC unreachable code warning)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -Wunreachable-code"
|
|
save_CFLAGS="$CFLAGS"
|
|
AC_CACHE_VAL(ac_cv_enable_unreachable_code_warning,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
ac_cv_enable_unreachable_code_warning=yes
|
|
],[
|
|
ac_cv_enable_unreachable_code_warning=no
|
|
]))
|
|
CFLAGS="$save_CFLAGS"
|
|
CC="$ac_save_cc"
|
|
|
|
# Don't enable unreachable code warning in debug mode, since it usually
|
|
# results in non-standard code paths.
|
|
# Issue #24324: Unfortunately, the unreachable code warning does not work
|
|
# correctly on gcc and has been silently removed from the compiler.
|
|
# It is supported on clang but on OS X systems gcc may be an alias
|
|
# for clang. Try to determine if the compiler is not really gcc and,
|
|
# if so, only then enable the warning.
|
|
if test $ac_cv_enable_unreachable_code_warning = yes && \
|
|
test "$Py_DEBUG" != "true" && \
|
|
test -z "`$CC --version 2>/dev/null | grep 'Free Software Foundation'`"
|
|
then
|
|
BASECFLAGS="$BASECFLAGS -Wunreachable-code"
|
|
else
|
|
ac_cv_enable_unreachable_code_warning=no
|
|
fi
|
|
AC_MSG_RESULT($ac_cv_enable_unreachable_code_warning)
|
|
|
|
AC_MSG_CHECKING(if we can turn on $CC strict-prototypes warning)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -Werror -Wstrict-prototypes"
|
|
AC_CACHE_VAL(ac_cv_enable_enable_strict_prototypes_warning,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
ac_cv_enable_strict_prototypes_warning=yes
|
|
],[
|
|
ac_cv_enable_strict_prototypes_warning=no
|
|
]))
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_enable_strict_prototypes_warning)
|
|
|
|
if test $ac_cv_enable_strict_prototypes_warning = yes
|
|
then
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -Wstrict-prototypes"
|
|
fi
|
|
|
|
AC_MSG_CHECKING(if we can make implicit function declaration an error in $CC)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -Werror=implicit-function-declaration"
|
|
AC_CACHE_VAL(ac_cv_enable_implicit_function_declaration_error,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
ac_cv_enable_implicit_function_declaration_error=yes
|
|
],[
|
|
ac_cv_enable_implicit_function_declaration_error=no
|
|
]))
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_enable_implicit_function_declaration_error)
|
|
|
|
if test $ac_cv_enable_implicit_function_declaration_error = yes
|
|
then
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -Werror=implicit-function-declaration"
|
|
fi
|
|
|
|
AC_MSG_CHECKING(if we can use visibility in $CC)
|
|
ac_save_cc="$CC"
|
|
CC="$CC -fvisibility=hidden"
|
|
AC_CACHE_VAL(ac_cv_enable_visibility,
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM([[]], [[]])
|
|
],[
|
|
ac_cv_enable_visibility=yes
|
|
],[
|
|
ac_cv_enable_visibility=no
|
|
]))
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_enable_visibility)
|
|
|
|
if test $ac_cv_enable_visibility = yes
|
|
then
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -fvisibility=hidden"
|
|
fi
|
|
|
|
# if using gcc on alpha, use -mieee to get (near) full IEEE 754
|
|
# support. Without this, treatment of subnormals doesn't follow
|
|
# the standard.
|
|
case $host in
|
|
alpha*)
|
|
BASECFLAGS="$BASECFLAGS -mieee"
|
|
;;
|
|
esac
|
|
|
|
case $ac_sys_system in
|
|
SCO_SV*)
|
|
BASECFLAGS="$BASECFLAGS -m486 -DSCO5"
|
|
;;
|
|
|
|
Darwin*)
|
|
# -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd
|
|
# used to be here, but non-Apple gcc doesn't accept them.
|
|
if test "${CC}" = gcc
|
|
then
|
|
AC_MSG_CHECKING(which compiler should be used)
|
|
case "${UNIVERSALSDK}" in
|
|
*/MacOSX10.4u.sdk)
|
|
# Build using 10.4 SDK, force usage of gcc when the
|
|
# compiler is gcc, otherwise the user will get very
|
|
# confusing error messages when building on OSX 10.6
|
|
CC=gcc-4.0
|
|
CPP=cpp-4.0
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT($CC)
|
|
fi
|
|
|
|
LIPO_INTEL64_FLAGS=""
|
|
if test "${enable_universalsdk}"
|
|
then
|
|
case "$UNIVERSAL_ARCHS" in
|
|
32-bit)
|
|
UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386"
|
|
LIPO_32BIT_FLAGS=""
|
|
ARCH_RUN_32BIT=""
|
|
;;
|
|
64-bit)
|
|
UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64"
|
|
LIPO_32BIT_FLAGS=""
|
|
ARCH_RUN_32BIT="true"
|
|
;;
|
|
all)
|
|
UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
|
|
LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
|
|
ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
|
|
;;
|
|
universal2)
|
|
UNIVERSAL_ARCH_FLAGS="-arch arm64 -arch x86_64"
|
|
LIPO_32BIT_FLAGS=""
|
|
LIPO_INTEL64_FLAGS="-extract x86_64"
|
|
ARCH_RUN_32BIT="true"
|
|
;;
|
|
intel)
|
|
UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
|
|
LIPO_32BIT_FLAGS="-extract i386"
|
|
ARCH_RUN_32BIT="/usr/bin/arch -i386"
|
|
;;
|
|
intel-32)
|
|
UNIVERSAL_ARCH_FLAGS="-arch i386"
|
|
LIPO_32BIT_FLAGS=""
|
|
ARCH_RUN_32BIT=""
|
|
;;
|
|
intel-64)
|
|
UNIVERSAL_ARCH_FLAGS="-arch x86_64"
|
|
LIPO_32BIT_FLAGS=""
|
|
ARCH_RUN_32BIT="true"
|
|
;;
|
|
3-way)
|
|
UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
|
|
LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
|
|
ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR([proper usage is --with-universal-arch=universal2|32-bit|64-bit|all|intel|3-way])
|
|
;;
|
|
esac
|
|
|
|
if test "${UNIVERSALSDK}" != "/"
|
|
then
|
|
CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}"
|
|
LDFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${LDFLAGS}"
|
|
CPPFLAGS="-isysroot ${UNIVERSALSDK} ${CPPFLAGS}"
|
|
else
|
|
CFLAGS="${UNIVERSAL_ARCH_FLAGS} ${CFLAGS}"
|
|
LDFLAGS="${UNIVERSAL_ARCH_FLAGS} ${LDFLAGS}"
|
|
fi
|
|
fi
|
|
|
|
# Calculate an appropriate deployment target for this build:
|
|
# The deployment target value is used explicitly to enable certain
|
|
# features are enabled (such as builtin libedit support for readline)
|
|
# through the use of Apple's Availability Macros and is used as a
|
|
# component of the string returned by distutils.get_platform().
|
|
#
|
|
# Use the value from:
|
|
# 1. the MACOSX_DEPLOYMENT_TARGET environment variable if specified
|
|
# 2. the operating system version of the build machine if >= 10.6
|
|
# 3. If running on OS X 10.3 through 10.5, use the legacy tests
|
|
# below to pick either 10.3, 10.4, or 10.5 as the target.
|
|
# 4. If we are running on OS X 10.2 or earlier, good luck!
|
|
|
|
AC_MSG_CHECKING(which MACOSX_DEPLOYMENT_TARGET to use)
|
|
cur_target_major=`sw_vers -productVersion | \
|
|
sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
|
|
cur_target_minor=`sw_vers -productVersion | \
|
|
sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
|
|
cur_target="${cur_target_major}.${cur_target_minor}"
|
|
if test ${cur_target_major} -eq 10 && \
|
|
test ${cur_target_minor} -ge 3 && \
|
|
test ${cur_target_minor} -le 5
|
|
then
|
|
# OS X 10.3 through 10.5
|
|
cur_target=10.3
|
|
if test ${enable_universalsdk}
|
|
then
|
|
case "$UNIVERSAL_ARCHS" in
|
|
all|3-way|intel|64-bit)
|
|
# These configurations were first supported in 10.5
|
|
cur_target='10.5'
|
|
;;
|
|
esac
|
|
else
|
|
if test `/usr/bin/arch` = "i386"
|
|
then
|
|
# 10.4 was the first release to support Intel archs
|
|
cur_target="10.4"
|
|
fi
|
|
fi
|
|
fi
|
|
CONFIGURE_MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET-${cur_target}}
|
|
|
|
# Make sure that MACOSX_DEPLOYMENT_TARGET is set in the
|
|
# environment with a value that is the same as what we'll use
|
|
# in the Makefile to ensure that we'll get the same compiler
|
|
# environment during configure and build time.
|
|
MACOSX_DEPLOYMENT_TARGET="$CONFIGURE_MACOSX_DEPLOYMENT_TARGET"
|
|
export MACOSX_DEPLOYMENT_TARGET
|
|
EXPORT_MACOSX_DEPLOYMENT_TARGET=''
|
|
AC_MSG_RESULT($MACOSX_DEPLOYMENT_TARGET)
|
|
|
|
AC_MSG_CHECKING(if specified universal architectures work)
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[printf("%d", 42);]])],
|
|
[AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
AC_MSG_ERROR(check config.log and use the '--with-universal-archs' option)
|
|
])
|
|
|
|
# end of Darwin* tests
|
|
;;
|
|
esac
|
|
;;
|
|
|
|
*)
|
|
case $ac_sys_system in
|
|
OpenUNIX*|UnixWare*)
|
|
BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca "
|
|
;;
|
|
SCO_SV*)
|
|
BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5"
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
|
|
case "$CC" in
|
|
*icc*)
|
|
# ICC needs -fp-model strict or floats behave badly
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -fp-model strict"
|
|
;;
|
|
*xlc*)
|
|
CFLAGS_NODIST="$CFLAGS_NODIST -qalias=noansi -qmaxmem=-1"
|
|
;;
|
|
esac
|
|
|
|
if test "$assertions" = 'true'; then
|
|
:
|
|
else
|
|
OPT="-DNDEBUG $OPT"
|
|
fi
|
|
|
|
if test "$ac_arch_flags"
|
|
then
|
|
BASECFLAGS="$BASECFLAGS $ac_arch_flags"
|
|
fi
|
|
|
|
# On some compilers, pthreads are available without further options
|
|
# (e.g. MacOS X). On some of these systems, the compiler will not
|
|
# complain if unaccepted options are passed (e.g. gcc on Mac OS X).
|
|
# So we have to see first whether pthreads are available without
|
|
# options before we can check whether -Kpthread improves anything.
|
|
AC_MSG_CHECKING(whether pthreads are available without options)
|
|
AC_CACHE_VAL(ac_cv_pthread_is_default,
|
|
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include <pthread.h>
|
|
|
|
void* routine(void* p){return NULL;}
|
|
|
|
int main(){
|
|
pthread_t p;
|
|
if(pthread_create(&p,NULL,routine,NULL)!=0)
|
|
return 1;
|
|
(void)pthread_detach(p);
|
|
return 0;
|
|
}
|
|
]])],[
|
|
ac_cv_pthread_is_default=yes
|
|
ac_cv_kthread=no
|
|
ac_cv_pthread=no
|
|
],[ac_cv_pthread_is_default=no],[ac_cv_pthread_is_default=no])
|
|
])
|
|
AC_MSG_RESULT($ac_cv_pthread_is_default)
|
|
|
|
|
|
if test $ac_cv_pthread_is_default = yes
|
|
then
|
|
ac_cv_kpthread=no
|
|
else
|
|
# -Kpthread, if available, provides the right #defines
|
|
# and linker options to make pthread_create available
|
|
# Some compilers won't report that they do not support -Kpthread,
|
|
# so we need to run a program to see whether it really made the
|
|
# function available.
|
|
AC_MSG_CHECKING(whether $CC accepts -Kpthread)
|
|
AC_CACHE_VAL(ac_cv_kpthread,
|
|
[ac_save_cc="$CC"
|
|
CC="$CC -Kpthread"
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include <pthread.h>
|
|
|
|
void* routine(void* p){return NULL;}
|
|
|
|
int main(){
|
|
pthread_t p;
|
|
if(pthread_create(&p,NULL,routine,NULL)!=0)
|
|
return 1;
|
|
(void)pthread_detach(p);
|
|
return 0;
|
|
}
|
|
]])],[ac_cv_kpthread=yes],[ac_cv_kpthread=no],[ac_cv_kpthread=no])
|
|
CC="$ac_save_cc"])
|
|
AC_MSG_RESULT($ac_cv_kpthread)
|
|
fi
|
|
|
|
if test $ac_cv_kpthread = no -a $ac_cv_pthread_is_default = no
|
|
then
|
|
# -Kthread, if available, provides the right #defines
|
|
# and linker options to make pthread_create available
|
|
# Some compilers won't report that they do not support -Kthread,
|
|
# so we need to run a program to see whether it really made the
|
|
# function available.
|
|
AC_MSG_CHECKING(whether $CC accepts -Kthread)
|
|
AC_CACHE_VAL(ac_cv_kthread,
|
|
[ac_save_cc="$CC"
|
|
CC="$CC -Kthread"
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include <pthread.h>
|
|
|
|
void* routine(void* p){return NULL;}
|
|
|
|
int main(){
|
|
pthread_t p;
|
|
if(pthread_create(&p,NULL,routine,NULL)!=0)
|
|
return 1;
|
|
(void)pthread_detach(p);
|
|
return 0;
|
|
}
|
|
]])],[ac_cv_kthread=yes],[ac_cv_kthread=no],[ac_cv_kthread=no])
|
|
CC="$ac_save_cc"])
|
|
AC_MSG_RESULT($ac_cv_kthread)
|
|
fi
|
|
|
|
if test $ac_cv_kthread = no -a $ac_cv_pthread_is_default = no
|
|
then
|
|
# -pthread, if available, provides the right #defines
|
|
# and linker options to make pthread_create available
|
|
# Some compilers won't report that they do not support -pthread,
|
|
# so we need to run a program to see whether it really made the
|
|
# function available.
|
|
AC_MSG_CHECKING(whether $CC accepts -pthread)
|
|
AC_CACHE_VAL(ac_cv_pthread,
|
|
[ac_save_cc="$CC"
|
|
CC="$CC -pthread"
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include <pthread.h>
|
|
|
|
void* routine(void* p){return NULL;}
|
|
|
|
int main(){
|
|
pthread_t p;
|
|
if(pthread_create(&p,NULL,routine,NULL)!=0)
|
|
return 1;
|
|
(void)pthread_detach(p);
|
|
return 0;
|
|
}
|
|
]])],[ac_cv_pthread=yes],[ac_cv_pthread=no],[ac_cv_pthread=no])
|
|
CC="$ac_save_cc"])
|
|
AC_MSG_RESULT($ac_cv_pthread)
|
|
fi
|
|
|
|
# If we have set a CC compiler flag for thread support then
|
|
# check if it works for CXX, too.
|
|
ac_cv_cxx_thread=no
|
|
if test ! -z "$CXX"
|
|
then
|
|
AC_MSG_CHECKING(whether $CXX also accepts flags for thread support)
|
|
ac_save_cxx="$CXX"
|
|
|
|
if test "$ac_cv_kpthread" = "yes"
|
|
then
|
|
CXX="$CXX -Kpthread"
|
|
ac_cv_cxx_thread=yes
|
|
elif test "$ac_cv_kthread" = "yes"
|
|
then
|
|
CXX="$CXX -Kthread"
|
|
ac_cv_cxx_thread=yes
|
|
elif test "$ac_cv_pthread" = "yes"
|
|
then
|
|
CXX="$CXX -pthread"
|
|
ac_cv_cxx_thread=yes
|
|
fi
|
|
|
|
if test $ac_cv_cxx_thread = yes
|
|
then
|
|
echo 'void foo();int main(){foo();}void foo(){}' > conftest.$ac_ext
|
|
$CXX -c conftest.$ac_ext 2>&5
|
|
if $CXX -o conftest$ac_exeext conftest.$ac_objext 2>&5 \
|
|
&& test -s conftest$ac_exeext && ./conftest$ac_exeext
|
|
then
|
|
ac_cv_cxx_thread=yes
|
|
else
|
|
ac_cv_cxx_thread=no
|
|
fi
|
|
rm -fr conftest*
|
|
fi
|
|
AC_MSG_RESULT($ac_cv_cxx_thread)
|
|
fi
|
|
CXX="$ac_save_cxx"
|
|
|
|
dnl # check for ANSI or K&R ("traditional") preprocessor
|
|
dnl AC_MSG_CHECKING(for C preprocessor type)
|
|
dnl AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
dnl #define spam(name, doc) {#name, &name, #name "() -- " doc}
|
|
dnl int foo;
|
|
dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
|
|
dnl ]], [[;]])],[cpp_type=ansi],[AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional])
|
|
dnl AC_MSG_RESULT($cpp_type)
|
|
|
|
# checks for header files
|
|
AC_HEADER_STDC
|
|
AC_CHECK_HEADERS(asm/types.h crypt.h conio.h direct.h dlfcn.h errno.h \
|
|
fcntl.h grp.h \
|
|
ieeefp.h io.h langinfo.h libintl.h process.h pthread.h \
|
|
sched.h shadow.h signal.h stropts.h termios.h \
|
|
utime.h \
|
|
poll.h sys/devpoll.h sys/epoll.h sys/poll.h \
|
|
sys/audioio.h sys/xattr.h sys/bsdtty.h sys/event.h sys/file.h sys/ioctl.h \
|
|
sys/kern_control.h sys/loadavg.h sys/lock.h sys/mkdev.h sys/modem.h \
|
|
sys/param.h sys/random.h sys/select.h sys/sendfile.h sys/socket.h sys/statvfs.h \
|
|
sys/stat.h sys/syscall.h sys/sys_domain.h sys/termio.h sys/time.h \
|
|
sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \
|
|
libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
|
|
linux/tipc.h linux/random.h spawn.h util.h alloca.h endian.h \
|
|
sys/endian.h sys/sysmacros.h linux/auxvec.h sys/auxv.h linux/memfd.h linux/wait.h sys/memfd.h \
|
|
sys/mman.h sys/eventfd.h)
|
|
AC_HEADER_DIRENT
|
|
AC_HEADER_MAJOR
|
|
|
|
# bluetooth/bluetooth.h has been known to not compile with -std=c99.
|
|
# http://permalink.gmane.org/gmane.linux.bluez.kernel/22294
|
|
SAVE_CFLAGS=$CFLAGS
|
|
CFLAGS="-std=c99 $CFLAGS"
|
|
AC_CHECK_HEADERS(bluetooth/bluetooth.h)
|
|
CFLAGS=$SAVE_CFLAGS
|
|
|
|
# On Darwin (OS X) net/if.h requires sys/socket.h to be imported first.
|
|
AC_CHECK_HEADERS([net/if.h], [], [],
|
|
[#include <stdio.h>
|
|
#ifdef STDC_HEADERS
|
|
# include <stdlib.h>
|
|
# include <stddef.h>
|
|
#else
|
|
# ifdef HAVE_STDLIB_H
|
|
# include <stdlib.h>
|
|
# endif
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
# include <sys/socket.h>
|
|
#endif
|
|
])
|
|
|
|
# On Linux, netlink.h requires asm/types.h
|
|
AC_CHECK_HEADERS(linux/netlink.h,,,[
|
|
#ifdef HAVE_ASM_TYPES_H
|
|
#include <asm/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
])
|
|
|
|
# On Linux, qrtr.h requires asm/types.h
|
|
AC_CHECK_HEADERS(linux/qrtr.h,,,[
|
|
#ifdef HAVE_ASM_TYPES_H
|
|
#include <asm/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
])
|
|
|
|
AC_CHECK_HEADERS(linux/vm_sockets.h,,,[
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
])
|
|
|
|
# On Linux, can.h, can/bcm.h, can/j1939.h, can/raw.h require sys/socket.h
|
|
AC_CHECK_HEADERS(linux/can.h linux/can/bcm.h linux/can/j1939.h linux/can/raw.h,,,[
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
])
|
|
|
|
# checks for typedefs
|
|
was_it_defined=no
|
|
AC_MSG_CHECKING(for clock_t in time.h)
|
|
AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, [
|
|
AC_DEFINE(clock_t, long, [Define to 'long' if <time.h> doesn't define.])
|
|
])
|
|
AC_MSG_RESULT($was_it_defined)
|
|
|
|
AC_MSG_CHECKING(for makedev)
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#if defined(MAJOR_IN_MKDEV)
|
|
#include <sys/mkdev.h>
|
|
#elif defined(MAJOR_IN_SYSMACROS)
|
|
#include <sys/sysmacros.h>
|
|
#else
|
|
#include <sys/types.h>
|
|
#endif
|
|
]], [[
|
|
makedev(0, 0) ]])
|
|
],[ac_cv_has_makedev=yes],[ac_cv_has_makedev=no])
|
|
AC_MSG_RESULT($ac_cv_has_makedev)
|
|
if test "$ac_cv_has_makedev" = "yes"; then
|
|
AC_DEFINE(HAVE_MAKEDEV, 1, [Define this if you have the makedev macro.])
|
|
fi
|
|
|
|
# byte swapping
|
|
AC_MSG_CHECKING(for le64toh)
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#ifdef HAVE_ENDIAN_H
|
|
#include <endian.h>
|
|
#elif defined(HAVE_SYS_ENDIAN_H)
|
|
#include <sys/endian.h>
|
|
#endif
|
|
]], [[
|
|
le64toh(1) ]])
|
|
],[ac_cv_has_le64toh=yes],[ac_cv_has_le64toh=no])
|
|
AC_MSG_RESULT($ac_cv_has_le64toh)
|
|
if test "$ac_cv_has_le64toh" = "yes"; then
|
|
AC_DEFINE(HAVE_HTOLE64, 1, [Define this if you have le64toh()])
|
|
fi
|
|
|
|
use_lfs=yes
|
|
# Don't use largefile support for GNU/Hurd
|
|
case $ac_sys_system in GNU*)
|
|
use_lfs=no
|
|
esac
|
|
|
|
if test "$use_lfs" = "yes"; then
|
|
# Two defines needed to enable largefile support on various platforms
|
|
# These may affect some typedefs
|
|
case $ac_sys_system/$ac_sys_release in
|
|
AIX*)
|
|
AC_DEFINE(_LARGE_FILES, 1,
|
|
[This must be defined on AIX systems to enable large file support.])
|
|
;;
|
|
esac
|
|
AC_DEFINE(_LARGEFILE_SOURCE, 1,
|
|
[This must be defined on some systems to enable large file support.])
|
|
AC_DEFINE(_FILE_OFFSET_BITS, 64,
|
|
[This must be set to 64 on some systems to enable large file support.])
|
|
fi
|
|
|
|
# Add some code to confdefs.h so that the test for off_t works on SCO
|
|
cat >> confdefs.h <<\EOF
|
|
#if defined(SCO_DS)
|
|
#undef _OFF_T
|
|
#endif
|
|
EOF
|
|
|
|
# Type availability checks
|
|
AC_TYPE_MODE_T
|
|
AC_TYPE_OFF_T
|
|
AC_TYPE_PID_T
|
|
AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[assume C89 semantics that RETSIGTYPE is always void])
|
|
AC_TYPE_SIZE_T
|
|
AC_TYPE_UID_T
|
|
|
|
AC_CHECK_TYPE(ssize_t,
|
|
AC_DEFINE(HAVE_SSIZE_T, 1, [Define if your compiler provides ssize_t]),,)
|
|
AC_CHECK_TYPE(__uint128_t,
|
|
AC_DEFINE(HAVE_GCC_UINT128_T, 1, [Define if your compiler provides __uint128_t]),,)
|
|
|
|
# Sizes and alignments of various common basic types
|
|
# ANSI C requires sizeof(char) == 1, so no need to check it
|
|
AC_CHECK_SIZEOF(int, 4)
|
|
AC_CHECK_SIZEOF(long, 4)
|
|
AC_CHECK_ALIGNOF(long)
|
|
AC_CHECK_SIZEOF(long long, 8)
|
|
AC_CHECK_SIZEOF(void *, 4)
|
|
AC_CHECK_SIZEOF(short, 2)
|
|
AC_CHECK_SIZEOF(float, 4)
|
|
AC_CHECK_SIZEOF(double, 8)
|
|
AC_CHECK_SIZEOF(fpos_t, 4)
|
|
AC_CHECK_SIZEOF(size_t, 4)
|
|
AC_CHECK_ALIGNOF(size_t)
|
|
AC_CHECK_SIZEOF(pid_t, 4)
|
|
AC_CHECK_SIZEOF(uintptr_t)
|
|
|
|
AC_TYPE_LONG_DOUBLE
|
|
AC_CHECK_SIZEOF(long double, 16)
|
|
|
|
AC_CHECK_SIZEOF(_Bool, 1)
|
|
|
|
AC_CHECK_SIZEOF(off_t, [], [
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
])
|
|
|
|
AC_MSG_CHECKING(whether to enable large file support)
|
|
if test "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
|
|
"$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
|
|
AC_DEFINE(HAVE_LARGEFILE_SUPPORT, 1,
|
|
[Defined to enable large file support when an off_t is bigger than a long
|
|
and long long is at least as big as an off_t. You may need
|
|
to add some flags for configuration and compilation to enable this mode.
|
|
(For Solaris and Linux, the necessary defines are already defined.)])
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
AC_CHECK_SIZEOF(time_t, [], [
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_TIME_H
|
|
#include <time.h>
|
|
#endif
|
|
])
|
|
|
|
# if have pthread_t then define SIZEOF_PTHREAD_T
|
|
ac_save_cc="$CC"
|
|
if test "$ac_cv_kpthread" = "yes"
|
|
then CC="$CC -Kpthread"
|
|
elif test "$ac_cv_kthread" = "yes"
|
|
then CC="$CC -Kthread"
|
|
elif test "$ac_cv_pthread" = "yes"
|
|
then CC="$CC -pthread"
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for pthread_t)
|
|
have_pthread_t=no
|
|
AC_COMPILE_IFELSE([
|
|
AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_t x; x = *(pthread_t*)0;]])
|
|
],[have_pthread_t=yes],[])
|
|
AC_MSG_RESULT($have_pthread_t)
|
|
if test "$have_pthread_t" = yes ; then
|
|
AC_CHECK_SIZEOF(pthread_t, [], [
|
|
#ifdef HAVE_PTHREAD_H
|
|
#include <pthread.h>
|
|
#endif
|
|
])
|
|
fi
|
|
|
|
# Issue #25658: POSIX hasn't defined that pthread_key_t is compatible with int.
|
|
# This checking will be unnecessary after removing deprecated TLS API.
|
|
AC_CHECK_SIZEOF(pthread_key_t, [], [[#include <pthread.h>]])
|
|
AC_MSG_CHECKING(whether pthread_key_t is compatible with int)
|
|
if test "$ac_cv_sizeof_pthread_key_t" -eq "$ac_cv_sizeof_int" ; then
|
|
AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_key_t k; k * 1;]])],
|
|
[ac_pthread_key_t_is_arithmetic_type=yes],
|
|
[ac_pthread_key_t_is_arithmetic_type=no]
|
|
)
|
|
AC_MSG_RESULT($ac_pthread_key_t_is_arithmetic_type)
|
|
if test "$ac_pthread_key_t_is_arithmetic_type" = yes ; then
|
|
AC_DEFINE(PTHREAD_KEY_T_IS_COMPATIBLE_WITH_INT, 1,
|
|
[Define if pthread_key_t is compatible with int.])
|
|
fi
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
CC="$ac_save_cc"
|
|
|
|
AC_SUBST(OTHER_LIBTOOL_OPT)
|
|
case $ac_sys_system/$ac_sys_release in
|
|
Darwin/@<:@01567@:>@\..*)
|
|
OTHER_LIBTOOL_OPT="-prebind -seg1addr 0x10000000"
|
|
;;
|
|
Darwin/*)
|
|
OTHER_LIBTOOL_OPT=""
|
|
;;
|
|
esac
|
|
|
|
|
|
AC_SUBST(LIBTOOL_CRUFT)
|
|
case $ac_sys_system/$ac_sys_release in
|
|
Darwin/@<:@01567@:>@\..*)
|
|
LIBTOOL_CRUFT="-framework System -lcc_dynamic"
|
|
if test "${enable_universalsdk}"; then
|
|
:
|
|
else
|
|
LIBTOOL_CRUFT="${LIBTOOL_CRUFT} -arch_only `/usr/bin/arch`"
|
|
fi
|
|
LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
|
|
Darwin/*)
|
|
gcc_version=`gcc -dumpversion`
|
|
if test ${gcc_version} '<' 4.0
|
|
then
|
|
LIBTOOL_CRUFT="-lcc_dynamic"
|
|
else
|
|
LIBTOOL_CRUFT=""
|
|
fi
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <unistd.h>
|
|
int main(int argc, char*argv[])
|
|
{
|
|
if (sizeof(long) == 4) {
|
|
return 0;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
]])],[ac_osx_32bit=yes],[ac_osx_32bit=no],[ac_osx_32bit=yes])
|
|
|
|
if test "${ac_osx_32bit}" = "yes"; then
|
|
case `/usr/bin/arch` in
|
|
i386)
|
|
MACOSX_DEFAULT_ARCH="i386"
|
|
;;
|
|
ppc)
|
|
MACOSX_DEFAULT_ARCH="ppc"
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR([Unexpected output of 'arch' on macOS])
|
|
;;
|
|
esac
|
|
else
|
|
case `/usr/bin/arch` in
|
|
i386)
|
|
MACOSX_DEFAULT_ARCH="x86_64"
|
|
;;
|
|
ppc)
|
|
MACOSX_DEFAULT_ARCH="ppc64"
|
|
;;
|
|
arm64)
|
|
MACOSX_DEFAULT_ARCH="arm64"
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR([Unexpected output of 'arch' on macOS])
|
|
;;
|
|
esac
|
|
|
|
fi
|
|
|
|
LIBTOOL_CRUFT=$LIBTOOL_CRUFT" -lSystem -lSystemStubs -arch_only ${MACOSX_DEFAULT_ARCH}"
|
|
LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
|
|
esac
|
|
AC_MSG_CHECKING(for --enable-framework)
|
|
if test "$enable_framework"
|
|
then
|
|
BASECFLAGS="$BASECFLAGS -fno-common -dynamic"
|
|
# -F. is needed to allow linking to the framework while
|
|
# in the build location.
|
|
AC_DEFINE(WITH_NEXT_FRAMEWORK, 1,
|
|
[Define if you want to produce an OpenStep/Rhapsody framework
|
|
(shared library plus accessory files).])
|
|
AC_MSG_RESULT(yes)
|
|
if test $enable_shared = "yes"
|
|
then
|
|
AC_MSG_ERROR([Specifying both --enable-shared and --enable-framework is not supported, use only --enable-framework instead])
|
|
fi
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for dyld)
|
|
case $ac_sys_system/$ac_sys_release in
|
|
Darwin/*)
|
|
AC_DEFINE(WITH_DYLD, 1,
|
|
[Define if you want to use the new-style (Openstep, Rhapsody, MacOS)
|
|
dynamic linker (dyld) instead of the old-style (NextStep) dynamic
|
|
linker (rld). Dyld is necessary to support frameworks.])
|
|
AC_MSG_RESULT(always on for Darwin)
|
|
;;
|
|
*)
|
|
AC_MSG_RESULT(no)
|
|
;;
|
|
esac
|
|
|
|
AC_MSG_CHECKING(for --with-address-sanitizer)
|
|
AC_ARG_WITH(address_sanitizer,
|
|
AS_HELP_STRING([--with-address-sanitizer],
|
|
[enable AddressSanitizer memory error detector, 'asan' (default is no)]),
|
|
[
|
|
AC_MSG_RESULT($withval)
|
|
BASECFLAGS="-fsanitize=address -fno-omit-frame-pointer $BASECFLAGS"
|
|
LDFLAGS="-fsanitize=address $LDFLAGS"
|
|
# ASan works by controlling memory allocation, our own malloc interferes.
|
|
with_pymalloc="no"
|
|
],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
AC_MSG_CHECKING(for --with-memory-sanitizer)
|
|
AC_ARG_WITH(memory_sanitizer,
|
|
AS_HELP_STRING([--with-memory-sanitizer],
|
|
[enable MemorySanitizer allocation error detector, 'msan' (default is no)]),
|
|
[
|
|
AC_MSG_RESULT($withval)
|
|
AX_CHECK_COMPILE_FLAG([-fsanitize=memory],[
|
|
BASECFLAGS="-fsanitize=memory -fsanitize-memory-track-origins=2 -fno-omit-frame-pointer $BASECFLAGS"
|
|
LDFLAGS="-fsanitize=memory -fsanitize-memory-track-origins=2 $LDFLAGS"
|
|
],[AC_MSG_ERROR([The selected compiler doesn't support memory sanitizer])])
|
|
# MSan works by controlling memory allocation, our own malloc interferes.
|
|
with_pymalloc="no"
|
|
],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
AC_MSG_CHECKING(for --with-undefined-behavior-sanitizer)
|
|
AC_ARG_WITH(undefined_behavior_sanitizer,
|
|
AS_HELP_STRING([--with-undefined-behavior-sanitizer],
|
|
[enable UndefinedBehaviorSanitizer undefined behaviour detector, 'ubsan' (default is no)]),
|
|
[
|
|
AC_MSG_RESULT($withval)
|
|
BASECFLAGS="-fsanitize=undefined $BASECFLAGS"
|
|
LDFLAGS="-fsanitize=undefined $LDFLAGS"
|
|
with_ubsan="yes"
|
|
],
|
|
[
|
|
AC_MSG_RESULT(no)
|
|
with_ubsan="no"
|
|
])
|
|
|
|
# Set info about shared libraries.
|
|
AC_SUBST(SHLIB_SUFFIX)
|
|
AC_SUBST(LDSHARED)
|
|
AC_SUBST(LDCXXSHARED)
|
|
AC_SUBST(BLDSHARED)
|
|
AC_SUBST(CCSHARED)
|
|
AC_SUBST(LINKFORSHARED)
|
|
|
|
# SHLIB_SUFFIX is the extension of shared libraries `(including the dot!)
|
|
# -- usually .so, .sl on HP-UX, .dll on Cygwin
|
|
AC_MSG_CHECKING(the extension of shared libraries)
|
|
if test -z "$SHLIB_SUFFIX"; then
|
|
case $ac_sys_system in
|
|
hp*|HP*)
|
|
case `uname -m` in
|
|
ia64) SHLIB_SUFFIX=.so;;
|
|
*) SHLIB_SUFFIX=.sl;;
|
|
esac
|
|
;;
|
|
CYGWIN*) SHLIB_SUFFIX=.dll;;
|
|
*) SHLIB_SUFFIX=.so;;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($SHLIB_SUFFIX)
|
|
|
|
# LDSHARED is the ld *command* used to create shared library
|
|
# -- "cc -G" on SunOS 5.x.
|
|
# (Shared libraries in this instance are shared modules to be loaded into
|
|
# Python, as opposed to building Python itself as a shared library.)
|
|
AC_MSG_CHECKING(LDSHARED)
|
|
if test -z "$LDSHARED"
|
|
then
|
|
case $ac_sys_system/$ac_sys_release in
|
|
AIX*)
|
|
BLDSHARED="Modules/ld_so_aix \$(CC) -bI:Modules/python.exp"
|
|
LDSHARED="\$(LIBPL)/ld_so_aix \$(CC) -bI:\$(LIBPL)/python.exp"
|
|
;;
|
|
SunOS/5*)
|
|
if test "$GCC" = "yes" ; then
|
|
LDSHARED='$(CC) -shared'
|
|
LDCXXSHARED='$(CXX) -shared'
|
|
else
|
|
LDSHARED='$(CC) -G'
|
|
LDCXXSHARED='$(CXX) -G'
|
|
fi ;;
|
|
hp*|HP*)
|
|
if test "$GCC" = "yes" ; then
|
|
LDSHARED='$(CC) -shared'
|
|
LDCXXSHARED='$(CXX) -shared'
|
|
else
|
|
LDSHARED='$(CC) -b'
|
|
LDCXXSHARED='$(CXX) -b'
|
|
fi ;;
|
|
Darwin/1.3*)
|
|
LDSHARED='$(CC) -bundle'
|
|
LDCXXSHARED='$(CXX) -bundle'
|
|
if test "$enable_framework" ; then
|
|
# Link against the framework. All externals should be defined.
|
|
BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
else
|
|
# No framework. Ignore undefined symbols, assuming they come from Python
|
|
LDSHARED="$LDSHARED -undefined suppress"
|
|
LDCXXSHARED="$LDCXXSHARED -undefined suppress"
|
|
fi ;;
|
|
Darwin/1.4*|Darwin/5.*|Darwin/6.*)
|
|
LDSHARED='$(CC) -bundle'
|
|
LDCXXSHARED='$(CXX) -bundle'
|
|
if test "$enable_framework" ; then
|
|
# Link against the framework. All externals should be defined.
|
|
BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
else
|
|
# No framework, use the Python app as bundle-loader
|
|
BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)'
|
|
LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
|
|
LDCXXSHARED="$LDCXXSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
|
|
fi ;;
|
|
Darwin/*)
|
|
# Use -undefined dynamic_lookup whenever possible (10.3 and later).
|
|
# This allows an extension to be used in any Python
|
|
|
|
dep_target_major=`echo ${MACOSX_DEPLOYMENT_TARGET} | \
|
|
sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
|
|
dep_target_minor=`echo ${MACOSX_DEPLOYMENT_TARGET} | \
|
|
sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
|
|
if test ${dep_target_major} -eq 10 && \
|
|
test ${dep_target_minor} -le 2
|
|
then
|
|
# building for OS X 10.0 through 10.2
|
|
AC_MSG_ERROR([MACOSX_DEPLOYMENT_TARGET too old ($MACOSX_DEPLOYMENT_TARGET), only 10.3 or later is supported])
|
|
else
|
|
# building for OS X 10.3 and later
|
|
LDSHARED='$(CC) -bundle -undefined dynamic_lookup'
|
|
LDCXXSHARED='$(CXX) -bundle -undefined dynamic_lookup'
|
|
BLDSHARED="$LDSHARED"
|
|
fi
|
|
;;
|
|
Linux*|GNU*|QNX*|VxWorks*)
|
|
LDSHARED='$(CC) -shared'
|
|
LDCXXSHARED='$(CXX) -shared';;
|
|
FreeBSD*)
|
|
if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
|
|
then
|
|
LDSHARED='$(CC) -shared'
|
|
LDCXXSHARED='$(CXX) -shared'
|
|
else
|
|
LDSHARED="ld -Bshareable"
|
|
fi;;
|
|
OpenBSD*)
|
|
if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
|
|
then
|
|
LDSHARED='$(CC) -shared $(CCSHARED)'
|
|
LDCXXSHARED='$(CXX) -shared $(CCSHARED)'
|
|
else
|
|
case `uname -r` in
|
|
[[01]].* | 2.[[0-7]] | 2.[[0-7]].*)
|
|
LDSHARED="ld -Bshareable ${LDFLAGS}"
|
|
;;
|
|
*)
|
|
LDSHARED='$(CC) -shared $(CCSHARED)'
|
|
LDCXXSHARED='$(CXX) -shared $(CCSHARED)'
|
|
;;
|
|
esac
|
|
fi;;
|
|
NetBSD*|DragonFly*)
|
|
LDSHARED='$(CC) -shared'
|
|
LDCXXSHARED='$(CXX) -shared';;
|
|
OpenUNIX*|UnixWare*)
|
|
if test "$GCC" = "yes" ; then
|
|
LDSHARED='$(CC) -shared'
|
|
LDCXXSHARED='$(CXX) -shared'
|
|
else
|
|
LDSHARED='$(CC) -G'
|
|
LDCXXSHARED='$(CXX) -G'
|
|
fi;;
|
|
SCO_SV*)
|
|
LDSHARED='$(CC) -Wl,-G,-Bexport'
|
|
LDCXXSHARED='$(CXX) -Wl,-G,-Bexport';;
|
|
CYGWIN*)
|
|
LDSHARED="gcc -shared -Wl,--enable-auto-image-base"
|
|
LDCXXSHARED="g++ -shared -Wl,--enable-auto-image-base";;
|
|
*) LDSHARED="ld";;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($LDSHARED)
|
|
LDCXXSHARED=${LDCXXSHARED-$LDSHARED}
|
|
BLDSHARED=${BLDSHARED-$LDSHARED}
|
|
# CCSHARED are the C *flags* used to create objects to go into a shared
|
|
# library (module) -- this is only needed for a few systems
|
|
AC_MSG_CHECKING(CCSHARED)
|
|
if test -z "$CCSHARED"
|
|
then
|
|
case $ac_sys_system/$ac_sys_release in
|
|
SunOS*) if test "$GCC" = yes;
|
|
then CCSHARED="-fPIC";
|
|
elif test `uname -p` = sparc;
|
|
then CCSHARED="-xcode=pic32";
|
|
else CCSHARED="-Kpic";
|
|
fi;;
|
|
hp*|HP*) if test "$GCC" = yes;
|
|
then CCSHARED="-fPIC";
|
|
else CCSHARED="+z";
|
|
fi;;
|
|
Linux-android*) ;;
|
|
Linux*|GNU*) CCSHARED="-fPIC";;
|
|
FreeBSD*|NetBSD*|OpenBSD*|DragonFly*) CCSHARED="-fPIC";;
|
|
OpenUNIX*|UnixWare*)
|
|
if test "$GCC" = "yes"
|
|
then CCSHARED="-fPIC"
|
|
else CCSHARED="-KPIC"
|
|
fi;;
|
|
SCO_SV*)
|
|
if test "$GCC" = "yes"
|
|
then CCSHARED="-fPIC"
|
|
else CCSHARED="-Kpic -belf"
|
|
fi;;
|
|
VxWorks*)
|
|
CCSHARED="-fpic -D__SO_PICABILINUX__ -ftls-model=global-dynamic"
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($CCSHARED)
|
|
# LINKFORSHARED are the flags passed to the $(CC) command that links
|
|
# the python executable -- this is only needed for a few systems
|
|
AC_MSG_CHECKING(LINKFORSHARED)
|
|
if test -z "$LINKFORSHARED"
|
|
then
|
|
case $ac_sys_system/$ac_sys_release in
|
|
AIX*) LINKFORSHARED='-Wl,-bE:Modules/python.exp -lld';;
|
|
hp*|HP*)
|
|
LINKFORSHARED="-Wl,-E -Wl,+s";;
|
|
# LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";;
|
|
Linux-android*) LINKFORSHARED="-pie -Xlinker -export-dynamic";;
|
|
Linux*|GNU*) LINKFORSHARED="-Xlinker -export-dynamic";;
|
|
# -u libsys_s pulls in all symbols in libsys
|
|
Darwin/*)
|
|
LINKFORSHARED="$extra_undefs -framework CoreFoundation"
|
|
|
|
# Issue #18075: the default maximum stack size (8MBytes) is too
|
|
# small for the default recursion limit. Increase the stack size
|
|
# to ensure that tests don't crash
|
|
stack_size="1000000" # 16 MB
|
|
if test "$with_ubsan" = "yes"
|
|
then
|
|
# Undefined behavior sanitizer requires an even deeper stack
|
|
stack_size="4000000" # 64 MB
|
|
fi
|
|
|
|
LINKFORSHARED="-Wl,-stack_size,$stack_size $LINKFORSHARED"
|
|
|
|
AC_DEFINE_UNQUOTED(THREAD_STACK_SIZE,
|
|
0x$stack_size,
|
|
[Custom thread stack size depending on chosen sanitizer runtimes.])
|
|
|
|
if test "$enable_framework"
|
|
then
|
|
LINKFORSHARED="$LINKFORSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
|
|
fi
|
|
LINKFORSHARED="$LINKFORSHARED";;
|
|
OpenUNIX*|UnixWare*) LINKFORSHARED="-Wl,-Bexport";;
|
|
SCO_SV*) LINKFORSHARED="-Wl,-Bexport";;
|
|
ReliantUNIX*) LINKFORSHARED="-W1 -Blargedynsym";;
|
|
FreeBSD*|NetBSD*|OpenBSD*|DragonFly*)
|
|
if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
|
|
then
|
|
LINKFORSHARED="-Wl,--export-dynamic"
|
|
fi;;
|
|
SunOS/5*) case $CC in
|
|
*gcc*)
|
|
if $CC -Xlinker --help 2>&1 | grep export-dynamic >/dev/null
|
|
then
|
|
LINKFORSHARED="-Xlinker --export-dynamic"
|
|
fi;;
|
|
esac;;
|
|
CYGWIN*)
|
|
if test $enable_shared = "no"
|
|
then
|
|
LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)'
|
|
fi;;
|
|
QNX*)
|
|
# -Wl,-E causes the symbols to be added to the dynamic
|
|
# symbol table so that they can be found when a module
|
|
# is loaded. -N 2048K causes the stack size to be set
|
|
# to 2048 kilobytes so that the stack doesn't overflow
|
|
# when running test_compile.py.
|
|
LINKFORSHARED='-Wl,-E -N 2048K';;
|
|
VxWorks*)
|
|
LINKFORSHARED='-Wl,-export-dynamic';;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($LINKFORSHARED)
|
|
|
|
|
|
AC_SUBST(CFLAGSFORSHARED)
|
|
AC_MSG_CHECKING(CFLAGSFORSHARED)
|
|
if test ! "$LIBRARY" = "$LDLIBRARY"
|
|
then
|
|
case $ac_sys_system in
|
|
CYGWIN*)
|
|
# Cygwin needs CCSHARED when building extension DLLs
|
|
# but not when building the interpreter DLL.
|
|
CFLAGSFORSHARED='';;
|
|
*)
|
|
CFLAGSFORSHARED='$(CCSHARED)'
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($CFLAGSFORSHARED)
|
|
|
|
# SHLIBS are libraries (except -lc and -lm) to link to the python shared
|
|
# library (with --enable-shared).
|
|
# For platforms on which shared libraries are not allowed to have unresolved
|
|
# symbols, this must be set to $(LIBS) (expanded by make). We do this even
|
|
# if it is not required, since it creates a dependency of the shared library
|
|
# to LIBS. This, in turn, means that applications linking the shared libpython
|
|
# don't need to link LIBS explicitly. The default should be only changed
|
|
# on systems where this approach causes problems.
|
|
AC_SUBST(SHLIBS)
|
|
AC_MSG_CHECKING(SHLIBS)
|
|
case "$ac_sys_system" in
|
|
*)
|
|
SHLIBS='$(LIBS)';;
|
|
esac
|
|
AC_MSG_RESULT($SHLIBS)
|
|
|
|
|
|
# checks for libraries
|
|
AC_CHECK_LIB(sendfile, sendfile)
|
|
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
|
|
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
|
|
|
|
# checks for uuid.h location
|
|
AC_CHECK_HEADERS([uuid/uuid.h uuid.h])
|
|
|
|
AC_MSG_CHECKING(for uuid_generate_time_safe)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <uuid/uuid.h>]], [[
|
|
#ifndef uuid_generate_time_safe
|
|
void *x = uuid_generate_time_safe
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_UUID_GENERATE_TIME_SAFE, 1, Define if uuid_generate_time_safe() exists.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
# check for libuuid from util-linux
|
|
save_LIBS=$LIBS
|
|
AC_CHECK_LIB([uuid], [uuid_generate_time])
|
|
LIBS=$save_LIBS
|
|
|
|
# AIX provides support for RFC4122 (uuid) in libc.a starting with AIX 6.1 (anno 2007)
|
|
# FreeBSD and OpenBSD provides support in libc as well.
|
|
AC_MSG_CHECKING(for uuid_create)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <uuid.h>]], [[
|
|
#ifndef uuid_create
|
|
void *x = uuid_create
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_UUID_CREATE, 1, Define if uuid_create() exists.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
# Little-endian FreeBSD, OpenBSD and NetBSD needs encoding into an octet
|
|
# stream in big-endian byte-order
|
|
AC_MSG_CHECKING(for uuid_enc_be)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <uuid.h>]], [[
|
|
#ifndef uuid_enc_be
|
|
void *x = uuid_enc_be
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_UUID_ENC_BE, 1, Define if uuid_enc_be() exists.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
# 'Real Time' functions on Solaris
|
|
# posix4 on Solaris 2.6
|
|
# pthread (first!) on Linux
|
|
AC_SEARCH_LIBS(sem_init, pthread rt posix4)
|
|
|
|
# check if we need libintl for locale functions
|
|
AC_CHECK_LIB(intl, textdomain,
|
|
[AC_DEFINE(WITH_LIBINTL, 1,
|
|
[Define to 1 if libintl is needed for locale functions.])
|
|
LIBS="-lintl $LIBS"])
|
|
|
|
# checks for system dependent C++ extensions support
|
|
case "$ac_sys_system" in
|
|
AIX*) AC_MSG_CHECKING(for genuine AIX C++ extensions support)
|
|
AC_LINK_IFELSE([
|
|
AC_LANG_PROGRAM([[#include <load.h>]],
|
|
[[loadAndInit("", 0, "")]])
|
|
],[
|
|
AC_DEFINE(AIX_GENUINE_CPLUSPLUS, 1,
|
|
[Define for AIX if your compiler is a genuine IBM xlC/xlC_r
|
|
and you want support for AIX C++ shared extension modules.])
|
|
AC_MSG_RESULT(yes)
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
dnl The AIX_BUILDDATE is obtained from the kernel fileset - bos.mp64
|
|
# BUILD_GNU_TYPE + AIX_BUILDDATE are used to construct the platform_tag
|
|
# of the AIX system used to build/package Python executable. This tag serves
|
|
# as a baseline for bdist module packages
|
|
AC_MSG_CHECKING(for the system builddate)
|
|
AIX_BUILDDATE=$(lslpp -Lcq bos.mp64 | awk -F: '{ print $NF }')
|
|
AC_DEFINE_UNQUOTED([AIX_BUILDDATE], [$AIX_BUILDDATE],
|
|
[BUILD_GNU_TYPE + AIX_BUILDDATE are used to construct the PEP425 tag of the build system.])
|
|
AC_MSG_RESULT($AIX_BUILDDATE)
|
|
;;
|
|
*) ;;
|
|
esac
|
|
|
|
# check for systems that require aligned memory access
|
|
AC_MSG_CHECKING(aligned memory access is required)
|
|
AC_CACHE_VAL(ac_cv_aligned_required,
|
|
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
int main()
|
|
{
|
|
char s[16];
|
|
int i, *p1, *p2;
|
|
for (i=0; i < 16; i++)
|
|
s[i] = i;
|
|
p1 = (int*)(s+1);
|
|
p2 = (int*)(s+2);
|
|
if (*p1 == *p2)
|
|
return 1;
|
|
return 0;
|
|
}]])],
|
|
[ac_cv_aligned_required=no],
|
|
[ac_cv_aligned_required=yes],
|
|
[ac_cv_aligned_required=yes])
|
|
])
|
|
AC_MSG_RESULT($ac_cv_aligned_required)
|
|
if test "$ac_cv_aligned_required" = yes ; then
|
|
AC_DEFINE([HAVE_ALIGNED_REQUIRED], [1],
|
|
[Define if aligned memory access is required])
|
|
fi
|
|
|
|
# str, bytes and memoryview hash algorithm
|
|
AH_TEMPLATE(Py_HASH_ALGORITHM,
|
|
[Define hash algorithm for str, bytes and memoryview.
|
|
SipHash24: 1, FNV: 2, externally defined: 0])
|
|
|
|
AC_MSG_CHECKING(for --with-hash-algorithm)
|
|
dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
|
|
AC_ARG_WITH(hash_algorithm,
|
|
AS_HELP_STRING([--with-hash-algorithm=@<:@fnv|siphash24@:>@],
|
|
[select hash algorithm for use in Python/pyhash.c (default is SipHash24)]),
|
|
[
|
|
AC_MSG_RESULT($withval)
|
|
case "$withval" in
|
|
siphash24)
|
|
AC_DEFINE(Py_HASH_ALGORITHM, 1)
|
|
;;
|
|
fnv)
|
|
AC_DEFINE(Py_HASH_ALGORITHM, 2)
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR([unknown hash algorithm '$withval'])
|
|
;;
|
|
esac
|
|
],
|
|
[AC_MSG_RESULT(default)])
|
|
|
|
validate_tzpath() {
|
|
# Checks that each element of hte path is an absolute path
|
|
if test -z "$1"; then
|
|
# Empty string is allowed: it indicates no system TZPATH
|
|
return 0
|
|
fi
|
|
|
|
# Bad paths are those that don't start with /
|
|
dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
|
|
if ( echo $1 | grep '\(^\|:\)\(@<:@^/@:>@\|$\)' > /dev/null); then
|
|
AC_MSG_ERROR([--with-tzpath must contain only absolute paths, not $1])
|
|
return 1;
|
|
fi
|
|
}
|
|
|
|
TZPATH="/usr/share/zoneinfo:/usr/lib/zoneinfo:/usr/share/lib/zoneinfo:/etc/zoneinfo"
|
|
AC_MSG_CHECKING(for --with-tzpath)
|
|
AC_ARG_WITH(tzpath,
|
|
AS_HELP_STRING([--with-tzpath=<list of absolute paths separated by pathsep>]
|
|
[Select the default time zone search path for zoneinfo.TZPATH]),
|
|
[
|
|
case "$withval" in
|
|
yes)
|
|
AC_MSG_ERROR([--with-tzpath requires a value])
|
|
;;
|
|
*)
|
|
validate_tzpath "$withval"
|
|
TZPATH="$withval"
|
|
AC_MSG_RESULT("$withval")
|
|
;;
|
|
esac
|
|
],
|
|
[validate_tzpath "$TZPATH"
|
|
AC_MSG_RESULT("$TZPATH")])
|
|
AC_SUBST(TZPATH)
|
|
|
|
# Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl.
|
|
AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
|
|
AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
|
|
|
|
AC_MSG_CHECKING(for --with-libs)
|
|
AC_ARG_WITH(libs,
|
|
AS_HELP_STRING([--with-libs='lib1 ...'], [link against additional libs (default is no)]),
|
|
[
|
|
AC_MSG_RESULT($withval)
|
|
LIBS="$withval $LIBS"
|
|
],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
PKG_PROG_PKG_CONFIG
|
|
|
|
# Check for use of the system expat library
|
|
AC_MSG_CHECKING(for --with-system-expat)
|
|
AC_ARG_WITH(system_expat,
|
|
AS_HELP_STRING([--with-system-expat], [build pyexpat module using an installed expat library, see Doc/library/pyexpat.rst (default is no)]),
|
|
[],
|
|
[with_system_expat="no"])
|
|
|
|
AC_MSG_RESULT($with_system_expat)
|
|
|
|
# Check for use of the system libffi library
|
|
AC_MSG_CHECKING(for --with-system-ffi)
|
|
AC_ARG_WITH(system_ffi,
|
|
AS_HELP_STRING([--with-system-ffi], [build _ctypes module using an installed ffi library, see Doc/library/ctypes.rst (default is system-dependent)]),,,)
|
|
|
|
if test "$ac_sys_system" = "Darwin"
|
|
then
|
|
case "$with_system_ffi" in
|
|
"")
|
|
with_system_ffi="no"
|
|
;;
|
|
yes|no)
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR([--with-system-ffi accepts no arguments])
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT($with_system_ffi)
|
|
else
|
|
AC_MSG_RESULT(yes)
|
|
if test "$with_system_ffi" != ""
|
|
then
|
|
AC_MSG_WARN([--with(out)-system-ffi is ignored on this platform])
|
|
fi
|
|
with_system_ffi="yes"
|
|
fi
|
|
|
|
if test "$with_system_ffi" = "yes" && test -n "$PKG_CONFIG"; then
|
|
LIBFFI_INCLUDEDIR="`"$PKG_CONFIG" libffi --cflags-only-I 2>/dev/null | sed -e 's/^-I//;s/ *$//'`"
|
|
else
|
|
LIBFFI_INCLUDEDIR=""
|
|
fi
|
|
AC_SUBST(LIBFFI_INCLUDEDIR)
|
|
|
|
# Check for use of the system libmpdec library
|
|
AC_MSG_CHECKING(for --with-system-libmpdec)
|
|
AC_ARG_WITH(system_libmpdec,
|
|
AS_HELP_STRING([--with-system-libmpdec], [build _decimal module using an installed libmpdec library, see Doc/library/decimal.rst (default is no)]),
|
|
[],
|
|
[with_system_libmpdec="no"])
|
|
|
|
AC_MSG_RESULT($with_system_libmpdec)
|
|
|
|
# Check whether _decimal should use a coroutine-local or thread-local context
|
|
AC_MSG_CHECKING(for --with-decimal-contextvar)
|
|
AC_ARG_WITH(decimal_contextvar,
|
|
AS_HELP_STRING([--with-decimal-contextvar], [build _decimal module using a coroutine-local rather than a thread-local context (default is yes)]),
|
|
[],
|
|
[with_decimal_contextvar="yes"])
|
|
|
|
if test "$with_decimal_contextvar" != "no"
|
|
then
|
|
AC_DEFINE(WITH_DECIMAL_CONTEXTVAR, 1,
|
|
[Define if you want build the _decimal module using a coroutine-local rather than a thread-local context])
|
|
fi
|
|
|
|
AC_MSG_RESULT($with_decimal_contextvar)
|
|
|
|
# Check for support for loadable sqlite extensions
|
|
AC_MSG_CHECKING(for --enable-loadable-sqlite-extensions)
|
|
AC_ARG_ENABLE(loadable-sqlite-extensions,
|
|
AS_HELP_STRING([--enable-loadable-sqlite-extensions],
|
|
[support loadable extensions in _sqlite module, see Doc/library/sqlite3.rst (default is no)]),
|
|
[],
|
|
[enable_loadable_sqlite_extensions="no"])
|
|
|
|
AC_MSG_RESULT($enable_loadable_sqlite_extensions)
|
|
|
|
# Check for --with-tcltk-includes=path and --with-tcltk-libs=path
|
|
AC_SUBST(TCLTK_INCLUDES)
|
|
AC_SUBST(TCLTK_LIBS)
|
|
AC_MSG_CHECKING(for --with-tcltk-includes)
|
|
AC_ARG_WITH(tcltk-includes,
|
|
AS_HELP_STRING([--with-tcltk-includes='-I...'], [override search for Tcl and Tk include files]),
|
|
[],
|
|
[with_tcltk_includes="default"])
|
|
AC_MSG_RESULT($with_tcltk_includes)
|
|
AC_MSG_CHECKING(for --with-tcltk-libs)
|
|
AC_ARG_WITH(tcltk-libs,
|
|
AS_HELP_STRING([--with-tcltk-libs='-L...'], [override search for Tcl and Tk libs]),
|
|
[],
|
|
[with_tcltk_libs="default"])
|
|
AC_MSG_RESULT($with_tcltk_libs)
|
|
if test "x$with_tcltk_includes" = xdefault || test "x$with_tcltk_libs" = xdefault
|
|
then
|
|
if test "x$with_tcltk_includes" != "x$with_tcltk_libs"
|
|
then
|
|
AC_MSG_ERROR([use both --with-tcltk-includes='...' and --with-tcltk-libs='...' or neither])
|
|
fi
|
|
if test -n "$PKG_CONFIG" && "$PKG_CONFIG" --exists tcl tk; then
|
|
TCLTK_INCLUDES="`"$PKG_CONFIG" tcl tk --cflags-only-I 2>/dev/null`"
|
|
TCLTK_LIBS="`"$PKG_CONFIG" tcl tk --libs 2>/dev/null`"
|
|
else
|
|
TCLTK_INCLUDES=""
|
|
TCLTK_LIBS=""
|
|
fi
|
|
else
|
|
TCLTK_INCLUDES="$with_tcltk_includes"
|
|
TCLTK_LIBS="$with_tcltk_libs"
|
|
fi
|
|
|
|
# Check for --with-dbmliborder
|
|
AC_MSG_CHECKING(for --with-dbmliborder)
|
|
AC_ARG_WITH(dbmliborder,
|
|
AS_HELP_STRING([--with-dbmliborder=db1:db2:...], [override order to check db backends for dbm; a valid value is a colon separated string with the backend names `ndbm', `gdbm' and `bdb'.]),
|
|
[
|
|
if test x$with_dbmliborder = xyes
|
|
then
|
|
AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:...])
|
|
else
|
|
for db in `echo $with_dbmliborder | sed 's/:/ /g'`; do
|
|
if test x$db != xndbm && test x$db != xgdbm && test x$db != xbdb
|
|
then
|
|
AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:...])
|
|
fi
|
|
done
|
|
fi])
|
|
AC_MSG_RESULT($with_dbmliborder)
|
|
|
|
# Templates for things AC_DEFINEd more than once.
|
|
# For a single AC_DEFINE, no template is needed.
|
|
AH_TEMPLATE(_REENTRANT,
|
|
[Define to force use of thread-safe errno, h_errno, and other functions])
|
|
|
|
if test "$ac_cv_pthread_is_default" = yes
|
|
then
|
|
# Defining _REENTRANT on system with POSIX threads should not hurt.
|
|
AC_DEFINE(_REENTRANT)
|
|
posix_threads=yes
|
|
if test "$ac_sys_system" = "SunOS"; then
|
|
CFLAGS="$CFLAGS -D_REENTRANT"
|
|
fi
|
|
elif test "$ac_cv_kpthread" = "yes"
|
|
then
|
|
CC="$CC -Kpthread"
|
|
if test "$ac_cv_cxx_thread" = "yes"; then
|
|
CXX="$CXX -Kpthread"
|
|
fi
|
|
posix_threads=yes
|
|
elif test "$ac_cv_kthread" = "yes"
|
|
then
|
|
CC="$CC -Kthread"
|
|
if test "$ac_cv_cxx_thread" = "yes"; then
|
|
CXX="$CXX -Kthread"
|
|
fi
|
|
posix_threads=yes
|
|
elif test "$ac_cv_pthread" = "yes"
|
|
then
|
|
CC="$CC -pthread"
|
|
if test "$ac_cv_cxx_thread" = "yes"; then
|
|
CXX="$CXX -pthread"
|
|
fi
|
|
posix_threads=yes
|
|
else
|
|
if test ! -z "$withval" -a -d "$withval"
|
|
then LDFLAGS="$LDFLAGS -L$withval"
|
|
fi
|
|
|
|
# According to the POSIX spec, a pthreads implementation must
|
|
# define _POSIX_THREADS in unistd.h. Some apparently don't
|
|
# (e.g. gnu pth with pthread emulation)
|
|
AC_MSG_CHECKING(for _POSIX_THREADS in unistd.h)
|
|
AC_EGREP_CPP(yes,
|
|
[
|
|
#include <unistd.h>
|
|
#ifdef _POSIX_THREADS
|
|
yes
|
|
#endif
|
|
], unistd_defines_pthreads=yes, unistd_defines_pthreads=no)
|
|
AC_MSG_RESULT($unistd_defines_pthreads)
|
|
|
|
AC_DEFINE(_REENTRANT)
|
|
# Just looking for pthread_create in libpthread is not enough:
|
|
# on HP/UX, pthread.h renames pthread_create to a different symbol name.
|
|
# So we really have to include pthread.h, and then link.
|
|
_libs=$LIBS
|
|
LIBS="$LIBS -lpthread"
|
|
AC_MSG_CHECKING([for pthread_create in -lpthread])
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <stdio.h>
|
|
#include <pthread.h>
|
|
|
|
void * start_routine (void *arg) { exit (0); }]], [[
|
|
pthread_create (NULL, NULL, start_routine, NULL)]])],[
|
|
AC_MSG_RESULT(yes)
|
|
posix_threads=yes
|
|
],[
|
|
LIBS=$_libs
|
|
AC_CHECK_FUNC(pthread_detach, [
|
|
posix_threads=yes
|
|
],[
|
|
AC_CHECK_LIB(pthreads, pthread_create, [
|
|
posix_threads=yes
|
|
LIBS="$LIBS -lpthreads"
|
|
], [
|
|
AC_CHECK_LIB(c_r, pthread_create, [
|
|
posix_threads=yes
|
|
LIBS="$LIBS -lc_r"
|
|
], [
|
|
AC_CHECK_LIB(pthread, __pthread_create_system, [
|
|
posix_threads=yes
|
|
LIBS="$LIBS -lpthread"
|
|
], [
|
|
AC_CHECK_LIB(cma, pthread_create, [
|
|
posix_threads=yes
|
|
LIBS="$LIBS -lcma"
|
|
],[
|
|
AC_MSG_ERROR([could not find pthreads on your system])
|
|
])
|
|
])])])])])
|
|
|
|
AC_CHECK_LIB(mpc, usconfig, [
|
|
LIBS="$LIBS -lmpc"
|
|
])
|
|
|
|
fi
|
|
|
|
if test "$posix_threads" = "yes"; then
|
|
if test "$unistd_defines_pthreads" = "no"; then
|
|
AC_DEFINE(_POSIX_THREADS, 1,
|
|
[Define if you have POSIX threads,
|
|
and your system does not define that.])
|
|
fi
|
|
|
|
# Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
|
|
case $ac_sys_system/$ac_sys_release in
|
|
SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1,
|
|
[Defined for Solaris 2.6 bug in pthread header.])
|
|
;;
|
|
SunOS/5.8) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
|
|
[Define if the Posix semaphores do not work on your system])
|
|
;;
|
|
AIX/*) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
|
|
[Define if the Posix semaphores do not work on your system])
|
|
;;
|
|
esac
|
|
|
|
AC_MSG_CHECKING(if PTHREAD_SCOPE_SYSTEM is supported)
|
|
AC_CACHE_VAL(ac_cv_pthread_system_supported,
|
|
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include <pthread.h>
|
|
void *foo(void *parm) {
|
|
return NULL;
|
|
}
|
|
main() {
|
|
pthread_attr_t attr;
|
|
pthread_t id;
|
|
if (pthread_attr_init(&attr)) return (-1);
|
|
if (pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM)) return (-1);
|
|
if (pthread_create(&id, &attr, foo, NULL)) return (-1);
|
|
return (0);
|
|
}]])],
|
|
[ac_cv_pthread_system_supported=yes],
|
|
[ac_cv_pthread_system_supported=no],
|
|
[ac_cv_pthread_system_supported=no])
|
|
])
|
|
AC_MSG_RESULT($ac_cv_pthread_system_supported)
|
|
if test "$ac_cv_pthread_system_supported" = "yes"; then
|
|
AC_DEFINE(PTHREAD_SYSTEM_SCHED_SUPPORTED, 1, [Defined if PTHREAD_SCOPE_SYSTEM supported.])
|
|
fi
|
|
AC_CHECK_FUNCS(pthread_sigmask,
|
|
[case $ac_sys_system in
|
|
CYGWIN*)
|
|
AC_DEFINE(HAVE_BROKEN_PTHREAD_SIGMASK, 1,
|
|
[Define if pthread_sigmask() does not work on your system.])
|
|
;;
|
|
esac])
|
|
AC_CHECK_FUNCS(pthread_getcpuclockid)
|
|
fi
|
|
|
|
|
|
# Check for enable-ipv6
|
|
AH_TEMPLATE(ENABLE_IPV6, [Define if --enable-ipv6 is specified])
|
|
AC_MSG_CHECKING([if --enable-ipv6 is specified])
|
|
AC_ARG_ENABLE(ipv6,
|
|
AS_HELP_STRING([--enable-ipv6],
|
|
[enable ipv6 (with ipv4) support, see Doc/library/socket.rst (default is yes if supported)]),
|
|
[ case "$enableval" in
|
|
no)
|
|
AC_MSG_RESULT(no)
|
|
ipv6=no
|
|
;;
|
|
*) AC_MSG_RESULT(yes)
|
|
AC_DEFINE(ENABLE_IPV6)
|
|
ipv6=yes
|
|
;;
|
|
esac ],
|
|
|
|
[
|
|
dnl the check does not work on cross compilation case...
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ /* AF_INET6 available check */
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>]],
|
|
[[int domain = AF_INET6;]])],[
|
|
AC_MSG_RESULT(yes)
|
|
ipv6=yes
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
ipv6=no
|
|
])
|
|
|
|
if test "$ipv6" = "yes"; then
|
|
AC_MSG_CHECKING(if RFC2553 API is available)
|
|
AC_COMPILE_IFELSE([
|
|
AC_LANG_PROGRAM([[#include <sys/types.h>
|
|
#include <netinet/in.h>]],
|
|
[[struct sockaddr_in6 x;
|
|
x.sin6_scope_id;]])
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
ipv6=yes
|
|
],[
|
|
AC_MSG_RESULT(no, IPv6 disabled)
|
|
ipv6=no
|
|
])
|
|
fi
|
|
|
|
if test "$ipv6" = "yes"; then
|
|
AC_DEFINE(ENABLE_IPV6)
|
|
fi
|
|
])
|
|
|
|
ipv6type=unknown
|
|
ipv6lib=none
|
|
ipv6trylibc=no
|
|
|
|
if test "$ipv6" = "yes"; then
|
|
AC_MSG_CHECKING([ipv6 stack type])
|
|
for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta;
|
|
do
|
|
case $i in
|
|
inria)
|
|
dnl http://www.kame.net/
|
|
AC_EGREP_CPP(yes, [
|
|
#include <netinet/in.h>
|
|
#ifdef IPV6_INRIA_VERSION
|
|
yes
|
|
#endif],
|
|
[ipv6type=$i])
|
|
;;
|
|
kame)
|
|
dnl http://www.kame.net/
|
|
AC_EGREP_CPP(yes, [
|
|
#include <netinet/in.h>
|
|
#ifdef __KAME__
|
|
yes
|
|
#endif],
|
|
[ipv6type=$i;
|
|
ipv6lib=inet6
|
|
ipv6libdir=/usr/local/v6/lib
|
|
ipv6trylibc=yes])
|
|
;;
|
|
linux-glibc)
|
|
dnl http://www.v6.linux.or.jp/
|
|
AC_EGREP_CPP(yes, [
|
|
#include <features.h>
|
|
#if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2))
|
|
yes
|
|
#endif],
|
|
[ipv6type=$i;
|
|
ipv6trylibc=yes])
|
|
;;
|
|
linux-inet6)
|
|
dnl http://www.v6.linux.or.jp/
|
|
if test -d /usr/inet6; then
|
|
ipv6type=$i
|
|
ipv6lib=inet6
|
|
ipv6libdir=/usr/inet6/lib
|
|
BASECFLAGS="-I/usr/inet6/include $BASECFLAGS"
|
|
fi
|
|
;;
|
|
solaris)
|
|
if test -f /etc/netconfig; then
|
|
if $GREP -q tcp6 /etc/netconfig; then
|
|
ipv6type=$i
|
|
ipv6trylibc=yes
|
|
fi
|
|
fi
|
|
;;
|
|
toshiba)
|
|
AC_EGREP_CPP(yes, [
|
|
#include <sys/param.h>
|
|
#ifdef _TOSHIBA_INET6
|
|
yes
|
|
#endif],
|
|
[ipv6type=$i;
|
|
ipv6lib=inet6;
|
|
ipv6libdir=/usr/local/v6/lib])
|
|
;;
|
|
v6d)
|
|
AC_EGREP_CPP(yes, [
|
|
#include </usr/local/v6/include/sys/v6config.h>
|
|
#ifdef __V6D__
|
|
yes
|
|
#endif],
|
|
[ipv6type=$i;
|
|
ipv6lib=v6;
|
|
ipv6libdir=/usr/local/v6/lib;
|
|
BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"])
|
|
;;
|
|
zeta)
|
|
AC_EGREP_CPP(yes, [
|
|
#include <sys/param.h>
|
|
#ifdef _ZETA_MINAMI_INET6
|
|
yes
|
|
#endif],
|
|
[ipv6type=$i;
|
|
ipv6lib=inet6;
|
|
ipv6libdir=/usr/local/v6/lib])
|
|
;;
|
|
esac
|
|
if test "$ipv6type" != "unknown"; then
|
|
break
|
|
fi
|
|
done
|
|
AC_MSG_RESULT($ipv6type)
|
|
fi
|
|
|
|
if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
|
|
if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
|
|
LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
|
|
echo "using lib$ipv6lib"
|
|
else
|
|
if test $ipv6trylibc = "yes"; then
|
|
echo "using libc"
|
|
else
|
|
echo 'Fatal: no $ipv6lib library found. cannot continue.'
|
|
echo "You need to fetch lib$ipv6lib.a from appropriate"
|
|
echo 'ipv6 kit and compile beforehand.'
|
|
exit 1
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for CAN_RAW_FD_FRAMES)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ /* CAN_RAW_FD_FRAMES available check */
|
|
#include <linux/can/raw.h>]],
|
|
[[int can_raw_fd_frames = CAN_RAW_FD_FRAMES;]])],[
|
|
AC_DEFINE(HAVE_LINUX_CAN_RAW_FD_FRAMES, 1, [Define if compiling using Linux 3.6 or later.])
|
|
AC_MSG_RESULT(yes)
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
|
|
AC_MSG_CHECKING(for CAN_RAW_JOIN_FILTERS)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <linux/can/raw.h>]],
|
|
[[int can_raw_join_filters = CAN_RAW_JOIN_FILTERS;]])],[
|
|
AC_DEFINE(HAVE_LINUX_CAN_RAW_JOIN_FILTERS, 1, [Define if compiling using Linux 4.1 or later.])
|
|
AC_MSG_RESULT(yes)
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
|
|
# Check for --with-doc-strings
|
|
AC_MSG_CHECKING(for --with-doc-strings)
|
|
AC_ARG_WITH(doc-strings,
|
|
AS_HELP_STRING([--with-doc-strings], [enable documentation strings (default is yes)]))
|
|
|
|
if test -z "$with_doc_strings"
|
|
then with_doc_strings="yes"
|
|
fi
|
|
if test "$with_doc_strings" != "no"
|
|
then
|
|
AC_DEFINE(WITH_DOC_STRINGS, 1,
|
|
[Define if you want documentation strings in extension modules])
|
|
fi
|
|
AC_MSG_RESULT($with_doc_strings)
|
|
|
|
# Check for Python-specific malloc support
|
|
AC_MSG_CHECKING(for --with-pymalloc)
|
|
AC_ARG_WITH(pymalloc,
|
|
AS_HELP_STRING([--with-pymalloc], [enable specialized mallocs (default is yes)]))
|
|
|
|
if test -z "$with_pymalloc"
|
|
then
|
|
with_pymalloc="yes"
|
|
fi
|
|
if test "$with_pymalloc" != "no"
|
|
then
|
|
AC_DEFINE(WITH_PYMALLOC, 1,
|
|
[Define if you want to compile in Python-specific mallocs])
|
|
fi
|
|
AC_MSG_RESULT($with_pymalloc)
|
|
|
|
# Check for --with-c-locale-coercion
|
|
AC_MSG_CHECKING(for --with-c-locale-coercion)
|
|
AC_ARG_WITH(c-locale-coercion,
|
|
AS_HELP_STRING([--with-c-locale-coercion],
|
|
[enable C locale coercion to a UTF-8 based locale (default is yes)]))
|
|
|
|
if test -z "$with_c_locale_coercion"
|
|
then
|
|
with_c_locale_coercion="yes"
|
|
fi
|
|
if test "$with_c_locale_coercion" != "no"
|
|
then
|
|
AC_DEFINE(PY_COERCE_C_LOCALE, 1,
|
|
[Define if you want to coerce the C locale to a UTF-8 based locale])
|
|
fi
|
|
AC_MSG_RESULT($with_c_locale_coercion)
|
|
|
|
# Check for Valgrind support
|
|
AC_MSG_CHECKING([for --with-valgrind])
|
|
AC_ARG_WITH([valgrind],
|
|
AS_HELP_STRING([--with-valgrind], [enable Valgrind support (default is no)]),,
|
|
with_valgrind=no)
|
|
AC_MSG_RESULT([$with_valgrind])
|
|
if test "$with_valgrind" != no; then
|
|
AC_CHECK_HEADER([valgrind/valgrind.h],
|
|
[AC_DEFINE([WITH_VALGRIND], 1, [Define if you want pymalloc to be disabled when running under valgrind])],
|
|
[AC_MSG_ERROR([Valgrind support requested but headers not available])]
|
|
)
|
|
OPT="-DDYNAMIC_ANNOTATIONS_ENABLED=1 $OPT"
|
|
fi
|
|
|
|
# Check for DTrace support
|
|
AC_MSG_CHECKING(for --with-dtrace)
|
|
AC_ARG_WITH(dtrace,
|
|
AS_HELP_STRING([--with-dtrace],[enable DTrace support (default is no)]),,
|
|
with_dtrace=no)
|
|
AC_MSG_RESULT($with_dtrace)
|
|
|
|
AC_SUBST(DTRACE)
|
|
AC_SUBST(DFLAGS)
|
|
AC_SUBST(DTRACE_HEADERS)
|
|
AC_SUBST(DTRACE_OBJS)
|
|
DTRACE=
|
|
DTRACE_HEADERS=
|
|
DTRACE_OBJS=
|
|
|
|
if test "$with_dtrace" = "yes"
|
|
then
|
|
AC_PATH_PROG(DTRACE, [dtrace], [not found])
|
|
if test "$DTRACE" = "not found"; then
|
|
AC_MSG_ERROR([dtrace command not found on \$PATH])
|
|
fi
|
|
AC_DEFINE(WITH_DTRACE, 1, [Define if you want to compile in DTrace support])
|
|
DTRACE_HEADERS="Include/pydtrace_probes.h"
|
|
|
|
# On OS X, DTrace providers do not need to be explicitly compiled and
|
|
# linked into the binary. Correspondingly, dtrace(1) is missing the ELF
|
|
# generation flag '-G'. We check for presence of this flag, rather than
|
|
# hardcoding support by OS, in the interest of robustness.
|
|
AC_CACHE_CHECK([whether DTrace probes require linking],
|
|
[ac_cv_dtrace_link], [dnl
|
|
ac_cv_dtrace_link=no
|
|
echo 'BEGIN{}' > conftest.d
|
|
"$DTRACE" $DFLAGS -G -s conftest.d -o conftest.o > /dev/null 2>&1 && \
|
|
ac_cv_dtrace_link=yes
|
|
])
|
|
if test "$ac_cv_dtrace_link" = "yes"; then
|
|
DTRACE_OBJS="Python/pydtrace.o"
|
|
fi
|
|
fi
|
|
|
|
# -I${DLINCLDIR} is added to the compile rule for importdl.o
|
|
AC_SUBST(DLINCLDIR)
|
|
DLINCLDIR=.
|
|
|
|
# the dlopen() function means we might want to use dynload_shlib.o. some
|
|
# platforms have dlopen(), but don't want to use it.
|
|
AC_CHECK_FUNCS(dlopen)
|
|
|
|
# DYNLOADFILE specifies which dynload_*.o file we will use for dynamic
|
|
# loading of modules.
|
|
AC_SUBST(DYNLOADFILE)
|
|
AC_MSG_CHECKING(DYNLOADFILE)
|
|
if test -z "$DYNLOADFILE"
|
|
then
|
|
case $ac_sys_system/$ac_sys_release in
|
|
hp*|HP*) DYNLOADFILE="dynload_hpux.o";;
|
|
*)
|
|
# use dynload_shlib.c and dlopen() if we have it; otherwise stub
|
|
# out any dynamic loading
|
|
if test "$ac_cv_func_dlopen" = yes
|
|
then DYNLOADFILE="dynload_shlib.o"
|
|
else DYNLOADFILE="dynload_stub.o"
|
|
fi
|
|
;;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($DYNLOADFILE)
|
|
if test "$DYNLOADFILE" != "dynload_stub.o"
|
|
then
|
|
AC_DEFINE(HAVE_DYNAMIC_LOADING, 1,
|
|
[Defined when any dynamic module loading is enabled.])
|
|
fi
|
|
|
|
# MACHDEP_OBJS can be set to platform-specific object files needed by Python
|
|
|
|
AC_SUBST(MACHDEP_OBJS)
|
|
AC_MSG_CHECKING(MACHDEP_OBJS)
|
|
if test -z "$MACHDEP_OBJS"
|
|
then
|
|
MACHDEP_OBJS=$extra_machdep_objs
|
|
else
|
|
MACHDEP_OBJS="$MACHDEP_OBJS $extra_machdep_objs"
|
|
fi
|
|
if test -z "$MACHDEP_OBJS"; then
|
|
AC_MSG_RESULT([none])
|
|
else
|
|
AC_MSG_RESULT([$MACHDEP_OBJS])
|
|
fi
|
|
|
|
# checks for library functions
|
|
AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
|
|
clock confstr close_range copy_file_range ctermid dup3 execv explicit_bzero \
|
|
explicit_memset faccessat fchmod fchmodat fchown fchownat \
|
|
fdwalk fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \
|
|
futimens futimes gai_strerror getentropy \
|
|
getgrgid_r getgrnam_r \
|
|
getgrouplist getgroups getlogin getloadavg getpeername getpgid getpid \
|
|
getpriority getresuid getresgid getpwent getpwnam_r getpwuid_r getspnam getspent getsid getwd \
|
|
if_nameindex \
|
|
initgroups kill killpg lchown lockf linkat lstat lutimes mmap \
|
|
memrchr mbrtowc mkdirat mkfifo \
|
|
madvise mkfifoat mknod mknodat mktime mremap nice openat pathconf pause pipe2 plock poll \
|
|
posix_fallocate posix_fadvise posix_spawn posix_spawnp pread preadv preadv2 \
|
|
pthread_condattr_setclock pthread_init pthread_kill pwrite pwritev pwritev2 \
|
|
readlink readlinkat readv realpath renameat \
|
|
sem_open sem_timedwait sem_clockwait sem_getvalue sem_unlink sendfile setegid seteuid \
|
|
setgid sethostname \
|
|
setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
|
|
sched_get_priority_max sched_setaffinity sched_setscheduler sched_setparam \
|
|
sched_rr_get_interval \
|
|
sigaction sigaltstack sigfillset siginterrupt sigpending sigrelse \
|
|
sigtimedwait sigwait sigwaitinfo snprintf splice strftime strlcpy strsignal symlinkat sync \
|
|
sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
|
|
truncate uname unlinkat utimensat utimes vfork waitid waitpid wait3 wait4 \
|
|
wcscoll wcsftime wcsxfrm wmemcmp writev _getpty rtpSpawn)
|
|
|
|
# Force lchmod off for Linux. Linux disallows changing the mode of symbolic
|
|
# links. Some libc implementations have a stub lchmod implementation that always
|
|
# returns an error.
|
|
if test "$MACHDEP" != linux; then
|
|
AC_CHECK_FUNCS(lchmod)
|
|
fi
|
|
|
|
AC_CHECK_DECL(dirfd,
|
|
AC_DEFINE(HAVE_DIRFD, 1,
|
|
Define if you have the 'dirfd' function or macro.), ,
|
|
[#include <sys/types.h>
|
|
#include <dirent.h>])
|
|
|
|
# For some functions, having a definition is not sufficient, since
|
|
# we want to take their address.
|
|
AC_MSG_CHECKING(for chroot)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=chroot]])],
|
|
[AC_DEFINE(HAVE_CHROOT, 1, Define if you have the 'chroot' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for link)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=link]])],
|
|
[AC_DEFINE(HAVE_LINK, 1, Define if you have the 'link' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for symlink)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=symlink]])],
|
|
[AC_DEFINE(HAVE_SYMLINK, 1, Define if you have the 'symlink' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for fchdir)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fchdir]])],
|
|
[AC_DEFINE(HAVE_FCHDIR, 1, Define if you have the 'fchdir' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for fsync)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fsync]])],
|
|
[AC_DEFINE(HAVE_FSYNC, 1, Define if you have the 'fsync' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for fdatasync)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fdatasync]])],
|
|
[AC_DEFINE(HAVE_FDATASYNC, 1, Define if you have the 'fdatasync' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for epoll)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/epoll.h>]], [[void *x=epoll_create]])],
|
|
[AC_DEFINE(HAVE_EPOLL, 1, Define if you have the 'epoll' functions.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for epoll_create1)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/epoll.h>]], [[void *x=epoll_create1]])],
|
|
[AC_DEFINE(HAVE_EPOLL_CREATE1, 1, Define if you have the 'epoll_create1' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for kqueue)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <sys/types.h>
|
|
#include <sys/event.h>
|
|
]], [[int x=kqueue()]])],
|
|
[AC_DEFINE(HAVE_KQUEUE, 1, Define if you have the 'kqueue' functions.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for prlimit)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <sys/time.h>
|
|
#include <sys/resource.h>
|
|
]], [[void *x=prlimit]])],
|
|
[AC_DEFINE(HAVE_PRLIMIT, 1, Define if you have the 'prlimit' functions.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING(for _dyld_shared_cache_contains_path)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <mach-o/dyld.h>]], [[void *x=_dyld_shared_cache_contains_path]])],
|
|
[AC_DEFINE(HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH, 1, Define if you have the '_dyld_shared_cache_contains_path' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
|
|
AC_MSG_CHECKING(for memfd_create)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#ifdef HAVE_SYS_MMAN_H
|
|
#include <sys/mman.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_MEMFD_H
|
|
#include <sys/memfd.h>
|
|
#endif
|
|
]], [[void *x=memfd_create]])],
|
|
[AC_DEFINE(HAVE_MEMFD_CREATE, 1, Define if you have the 'memfd_create' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
|
|
AC_MSG_CHECKING(for eventfd)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#ifdef HAVE_SYS_EVENTFD_H
|
|
#include <sys/eventfd.h>
|
|
#endif
|
|
]], [[int x = eventfd(0, EFD_CLOEXEC)]])],
|
|
[AC_DEFINE(HAVE_EVENTFD, 1, Define if you have the 'eventfd' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
|
|
# On some systems (eg. FreeBSD 5), we would find a definition of the
|
|
# functions ctermid_r, setgroups in the library, but no prototype
|
|
# (e.g. because we use _XOPEN_SOURCE). See whether we can take their
|
|
# address to avoid compiler warnings and potential miscompilations
|
|
# because of the missing prototypes.
|
|
|
|
AC_MSG_CHECKING(for ctermid_r)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <stdio.h>
|
|
]], [[void* p = ctermid_r]])],
|
|
[AC_DEFINE(HAVE_CTERMID_R, 1, Define if you have the 'ctermid_r' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
|
|
AC_CACHE_CHECK([for flock declaration], [ac_cv_flock_decl],
|
|
[AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM(
|
|
[#include <sys/file.h>],
|
|
[void* p = flock]
|
|
)],
|
|
[ac_cv_flock_decl=yes],
|
|
[ac_cv_flock_decl=no]
|
|
)
|
|
])
|
|
if test "x${ac_cv_flock_decl}" = xyes; then
|
|
AC_CHECK_FUNCS(flock,,
|
|
AC_CHECK_LIB(bsd,flock,
|
|
[AC_DEFINE(HAVE_FLOCK)
|
|
AC_DEFINE(FLOCK_NEEDS_LIBBSD, 1, Define if flock needs to be linked with bsd library.)
|
|
])
|
|
)
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for getpagesize)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <unistd.h>
|
|
]], [[void* p = getpagesize]])],
|
|
[AC_DEFINE(HAVE_GETPAGESIZE, 1, Define if you have the 'getpagesize' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
|
|
AC_MSG_CHECKING(for broken unsetenv)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <stdlib.h>
|
|
]], [[int res = unsetenv("DUMMY")]])],
|
|
[AC_MSG_RESULT(no)],
|
|
[AC_DEFINE(HAVE_BROKEN_UNSETENV, 1, Define if `unsetenv` does not return an int.)
|
|
AC_MSG_RESULT(yes)
|
|
])
|
|
|
|
dnl check for true
|
|
AC_CHECK_PROGS(TRUE, true, /bin/true)
|
|
|
|
dnl On some systems (e.g. Solaris 9), hstrerror and inet_aton are in -lresolv
|
|
dnl On others, they are in the C library, so we to take no action
|
|
AC_CHECK_LIB(c, inet_aton, [$ac_cv_prog_TRUE],
|
|
AC_CHECK_LIB(resolv, inet_aton)
|
|
)
|
|
|
|
# On Tru64, chflags seems to be present, but calling it will
|
|
# exit Python
|
|
AC_CACHE_CHECK([for chflags], [ac_cv_have_chflags], [dnl
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
int main(int argc, char*argv[])
|
|
{
|
|
if(chflags(argv[0], 0) != 0)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
]])],
|
|
[ac_cv_have_chflags=yes],
|
|
[ac_cv_have_chflags=no],
|
|
[ac_cv_have_chflags=cross])
|
|
])
|
|
if test "$ac_cv_have_chflags" = cross ; then
|
|
AC_CHECK_FUNC([chflags], [ac_cv_have_chflags="yes"], [ac_cv_have_chflags="no"])
|
|
fi
|
|
if test "$ac_cv_have_chflags" = yes ; then
|
|
AC_DEFINE(HAVE_CHFLAGS, 1, [Define to 1 if you have the 'chflags' function.])
|
|
fi
|
|
|
|
AC_CACHE_CHECK([for lchflags], [ac_cv_have_lchflags], [dnl
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
int main(int argc, char*argv[])
|
|
{
|
|
if(lchflags(argv[0], 0) != 0)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
]])],[ac_cv_have_lchflags=yes],[ac_cv_have_lchflags=no],[ac_cv_have_lchflags=cross])
|
|
])
|
|
if test "$ac_cv_have_lchflags" = cross ; then
|
|
AC_CHECK_FUNC([lchflags], [ac_cv_have_lchflags="yes"], [ac_cv_have_lchflags="no"])
|
|
fi
|
|
if test "$ac_cv_have_lchflags" = yes ; then
|
|
AC_DEFINE(HAVE_LCHFLAGS, 1, [Define to 1 if you have the 'lchflags' function.])
|
|
fi
|
|
|
|
dnl Check if system zlib has *Copy() functions
|
|
dnl
|
|
dnl On MacOSX the linker will search for dylibs on the entire linker path
|
|
dnl before searching for static libraries. setup.py adds -Wl,-search_paths_first
|
|
dnl to revert to a more traditional unix behaviour and make it possible to
|
|
dnl override the system libz with a local static library of libz. Temporarily
|
|
dnl add that flag to our CFLAGS as well to ensure that we check the version
|
|
dnl of libz that will be used by setup.py.
|
|
dnl The -L/usr/local/lib is needed as wel to get the same compilation
|
|
dnl environment as setup.py (and leaving it out can cause configure to use the
|
|
dnl wrong version of the library)
|
|
case $ac_sys_system/$ac_sys_release in
|
|
Darwin/*)
|
|
_CUR_CFLAGS="${CFLAGS}"
|
|
_CUR_LDFLAGS="${LDFLAGS}"
|
|
CFLAGS="${CFLAGS} -Wl,-search_paths_first"
|
|
LDFLAGS="${LDFLAGS} -Wl,-search_paths_first -L/usr/local/lib"
|
|
;;
|
|
esac
|
|
|
|
AC_CHECK_LIB(z, inflateCopy, AC_DEFINE(HAVE_ZLIB_COPY, 1, [Define if the zlib library has inflateCopy]))
|
|
|
|
case $ac_sys_system/$ac_sys_release in
|
|
Darwin/*)
|
|
CFLAGS="${_CUR_CFLAGS}"
|
|
LDFLAGS="${_CUR_LDFLAGS}"
|
|
;;
|
|
esac
|
|
|
|
AC_MSG_CHECKING(for hstrerror)
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <netdb.h>
|
|
]], [[void* p = hstrerror; hstrerror(0)]])],
|
|
[AC_DEFINE(HAVE_HSTRERROR, 1, Define if you have the 'hstrerror' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
|
|
AC_MSG_CHECKING(for inet_aton)
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
]], [[void* p = inet_aton;inet_aton(0,0)]])],
|
|
[AC_DEFINE(HAVE_INET_ATON, 1, Define if you have the 'inet_aton' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
|
|
AC_MSG_CHECKING(for inet_pton)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
]], [[void* p = inet_pton]])],
|
|
[AC_DEFINE(HAVE_INET_PTON, 1, Define if you have the 'inet_pton' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
|
|
# On some systems, setgroups is in unistd.h, on others, in grp.h
|
|
AC_MSG_CHECKING(for setgroups)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <unistd.h>
|
|
#ifdef HAVE_GRP_H
|
|
#include <grp.h>
|
|
#endif
|
|
]], [[void* p = setgroups]])],
|
|
[AC_DEFINE(HAVE_SETGROUPS, 1, Define if you have the 'setgroups' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
])
|
|
|
|
# check for openpty and forkpty
|
|
|
|
AC_CHECK_FUNCS(openpty,,
|
|
AC_CHECK_LIB(util,openpty,
|
|
[AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"],
|
|
AC_CHECK_LIB(bsd,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lbsd"])
|
|
)
|
|
)
|
|
AC_CHECK_FUNCS(forkpty,,
|
|
AC_CHECK_LIB(util,forkpty,
|
|
[AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lutil"],
|
|
AC_CHECK_LIB(bsd,forkpty, [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lbsd"])
|
|
)
|
|
)
|
|
|
|
# check for long file support functions
|
|
AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
|
|
|
|
AC_REPLACE_FUNCS(dup2)
|
|
AC_CHECK_FUNCS(getpgrp,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[getpgrp(0);]])],
|
|
[AC_DEFINE(GETPGRP_HAVE_ARG, 1, [Define if getpgrp() must be called as getpgrp(0).])],
|
|
[])
|
|
)
|
|
AC_CHECK_FUNCS(setpgrp,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[setpgrp(0,0);]])],
|
|
[AC_DEFINE(SETPGRP_HAVE_ARG, 1, [Define if setpgrp() must be called as setpgrp(0, 0).])],
|
|
[])
|
|
)
|
|
|
|
# We search for both crypt and crypt_r as one or the other may be defined
|
|
# This gets us our -lcrypt in LIBS when required on the target platform.
|
|
AC_SEARCH_LIBS(crypt, crypt)
|
|
AC_SEARCH_LIBS(crypt_r, crypt)
|
|
|
|
AC_CHECK_FUNC(crypt_r,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#define _GNU_SOURCE /* Required for crypt_r()'s prototype in glibc. */
|
|
#include <crypt.h>
|
|
]], [[
|
|
struct crypt_data d;
|
|
char *r = crypt_r("", "", &d);
|
|
]])],
|
|
[AC_DEFINE(HAVE_CRYPT_R, 1, [Define if you have the crypt_r() function.])],
|
|
[])
|
|
)
|
|
|
|
AC_CHECK_FUNCS(clock_gettime, [], [
|
|
AC_CHECK_LIB(rt, clock_gettime, [
|
|
LIBS="$LIBS -lrt"
|
|
AC_DEFINE(HAVE_CLOCK_GETTIME, 1)
|
|
AC_DEFINE(TIMEMODULE_LIB, [rt],
|
|
[Library needed by timemodule.c: librt may be needed for clock_gettime()])
|
|
])
|
|
])
|
|
|
|
AC_CHECK_FUNCS(clock_getres, [], [
|
|
AC_CHECK_LIB(rt, clock_getres, [
|
|
AC_DEFINE(HAVE_CLOCK_GETRES, 1)
|
|
])
|
|
])
|
|
|
|
AC_CHECK_FUNCS(clock_settime, [], [
|
|
AC_CHECK_LIB(rt, clock_settime, [
|
|
AC_DEFINE(HAVE_CLOCK_SETTIME, 1)
|
|
])
|
|
])
|
|
|
|
AC_MSG_CHECKING(for major, minor, and makedev)
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#if defined(MAJOR_IN_MKDEV)
|
|
#include <sys/mkdev.h>
|
|
#elif defined(MAJOR_IN_SYSMACROS)
|
|
#include <sys/sysmacros.h>
|
|
#else
|
|
#include <sys/types.h>
|
|
#endif
|
|
]], [[
|
|
makedev(major(0),minor(0));
|
|
]])],[
|
|
AC_DEFINE(HAVE_DEVICE_MACROS, 1,
|
|
[Define to 1 if you have the device macros.])
|
|
AC_MSG_RESULT(yes)
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
|
|
# On OSF/1 V5.1, getaddrinfo is available, but a define
|
|
# for [no]getaddrinfo in netdb.h.
|
|
AC_MSG_CHECKING(for getaddrinfo)
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netdb.h>
|
|
#include <stdio.h>
|
|
]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],
|
|
[have_getaddrinfo=yes],
|
|
[have_getaddrinfo=no])
|
|
AC_MSG_RESULT($have_getaddrinfo)
|
|
if test $have_getaddrinfo = yes
|
|
then
|
|
AC_MSG_CHECKING(getaddrinfo bug)
|
|
AC_CACHE_VAL(ac_cv_buggy_getaddrinfo,
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[[
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <netdb.h>
|
|
#include <string.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
|
|
int main()
|
|
{
|
|
int passive, gaierr, inet4 = 0, inet6 = 0;
|
|
struct addrinfo hints, *ai, *aitop;
|
|
char straddr[INET6_ADDRSTRLEN], strport[16];
|
|
|
|
for (passive = 0; passive <= 1; passive++) {
|
|
memset(&hints, 0, sizeof(hints));
|
|
hints.ai_family = AF_UNSPEC;
|
|
hints.ai_flags = passive ? AI_PASSIVE : 0;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_protocol = IPPROTO_TCP;
|
|
if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
|
|
(void)gai_strerror(gaierr);
|
|
goto bad;
|
|
}
|
|
for (ai = aitop; ai; ai = ai->ai_next) {
|
|
if (ai->ai_addr == NULL ||
|
|
ai->ai_addrlen == 0 ||
|
|
getnameinfo(ai->ai_addr, ai->ai_addrlen,
|
|
straddr, sizeof(straddr), strport, sizeof(strport),
|
|
NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
|
|
goto bad;
|
|
}
|
|
switch (ai->ai_family) {
|
|
case AF_INET:
|
|
if (strcmp(strport, "54321") != 0) {
|
|
goto bad;
|
|
}
|
|
if (passive) {
|
|
if (strcmp(straddr, "0.0.0.0") != 0) {
|
|
goto bad;
|
|
}
|
|
} else {
|
|
if (strcmp(straddr, "127.0.0.1") != 0) {
|
|
goto bad;
|
|
}
|
|
}
|
|
inet4++;
|
|
break;
|
|
case AF_INET6:
|
|
if (strcmp(strport, "54321") != 0) {
|
|
goto bad;
|
|
}
|
|
if (passive) {
|
|
if (strcmp(straddr, "::") != 0) {
|
|
goto bad;
|
|
}
|
|
} else {
|
|
if (strcmp(straddr, "::1") != 0) {
|
|
goto bad;
|
|
}
|
|
}
|
|
inet6++;
|
|
break;
|
|
case AF_UNSPEC:
|
|
goto bad;
|
|
break;
|
|
default:
|
|
/* another family support? */
|
|
break;
|
|
}
|
|
}
|
|
freeaddrinfo(aitop);
|
|
aitop = NULL;
|
|
}
|
|
|
|
if (!(inet4 == 0 || inet4 == 2))
|
|
goto bad;
|
|
if (!(inet6 == 0 || inet6 == 2))
|
|
goto bad;
|
|
|
|
if (aitop)
|
|
freeaddrinfo(aitop);
|
|
return 0;
|
|
|
|
bad:
|
|
if (aitop)
|
|
freeaddrinfo(aitop);
|
|
return 1;
|
|
}
|
|
]]])],
|
|
[ac_cv_buggy_getaddrinfo=no],
|
|
[ac_cv_buggy_getaddrinfo=yes],
|
|
[
|
|
if test "${enable_ipv6+set}" = set; then
|
|
ac_cv_buggy_getaddrinfo="no -- configured with --(en|dis)able-ipv6"
|
|
else
|
|
ac_cv_buggy_getaddrinfo=yes
|
|
fi]))
|
|
fi
|
|
|
|
AC_MSG_RESULT($ac_cv_buggy_getaddrinfo)
|
|
|
|
if test $have_getaddrinfo = no || test "$ac_cv_buggy_getaddrinfo" = yes
|
|
then
|
|
if test $ipv6 = yes
|
|
then
|
|
echo 'Fatal: You must get working getaddrinfo() function.'
|
|
echo ' or you can specify "--disable-ipv6"'.
|
|
exit 1
|
|
fi
|
|
else
|
|
AC_DEFINE(HAVE_GETADDRINFO, 1, [Define if you have the getaddrinfo function.])
|
|
fi
|
|
|
|
AC_CHECK_FUNCS(getnameinfo)
|
|
|
|
# checks for structures
|
|
AC_HEADER_TIME
|
|
AC_STRUCT_TM
|
|
AC_STRUCT_TIMEZONE
|
|
AC_CHECK_MEMBERS([struct stat.st_rdev])
|
|
AC_CHECK_MEMBERS([struct stat.st_blksize])
|
|
AC_CHECK_MEMBERS([struct stat.st_flags])
|
|
AC_CHECK_MEMBERS([struct stat.st_gen])
|
|
AC_CHECK_MEMBERS([struct stat.st_birthtime])
|
|
AC_CHECK_MEMBERS([struct stat.st_blocks])
|
|
AC_CHECK_MEMBERS([struct passwd.pw_gecos, struct passwd.pw_passwd], [], [], [[
|
|
#include <sys/types.h>
|
|
#include <pwd.h>
|
|
]])
|
|
# Issue #21085: In Cygwin, siginfo_t does not have si_band field.
|
|
AC_CHECK_MEMBERS([siginfo_t.si_band], [], [], [[#include <signal.h>]])
|
|
|
|
AC_MSG_CHECKING(for time.h that defines altzone)
|
|
AC_CACHE_VAL(ac_cv_header_time_altzone,[
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[return altzone;]])],
|
|
[ac_cv_header_time_altzone=yes],
|
|
[ac_cv_header_time_altzone=no])
|
|
])
|
|
AC_MSG_RESULT($ac_cv_header_time_altzone)
|
|
if test $ac_cv_header_time_altzone = yes; then
|
|
AC_DEFINE(HAVE_ALTZONE, 1, [Define this if your time.h defines altzone.])
|
|
fi
|
|
|
|
was_it_defined=no
|
|
AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <sys/types.h>
|
|
#include <sys/select.h>
|
|
#include <sys/time.h>
|
|
]], [[;]])],[
|
|
AC_DEFINE(SYS_SELECT_WITH_SYS_TIME, 1,
|
|
[Define if you can safely include both <sys/select.h> and <sys/time.h>
|
|
(which you can't on SCO ODT 3.0).])
|
|
was_it_defined=yes
|
|
],[])
|
|
AC_MSG_RESULT($was_it_defined)
|
|
|
|
AC_MSG_CHECKING(for addrinfo)
|
|
AC_CACHE_VAL(ac_cv_struct_addrinfo,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]], [[struct addrinfo a]])],
|
|
[ac_cv_struct_addrinfo=yes],
|
|
[ac_cv_struct_addrinfo=no]))
|
|
AC_MSG_RESULT($ac_cv_struct_addrinfo)
|
|
if test $ac_cv_struct_addrinfo = yes; then
|
|
AC_DEFINE(HAVE_ADDRINFO, 1, [struct addrinfo (netdb.h)])
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for sockaddr_storage)
|
|
AC_CACHE_VAL(ac_cv_struct_sockaddr_storage,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
# include <sys/types.h>
|
|
# include <sys/socket.h>]], [[struct sockaddr_storage s]])],
|
|
[ac_cv_struct_sockaddr_storage=yes],
|
|
[ac_cv_struct_sockaddr_storage=no]))
|
|
AC_MSG_RESULT($ac_cv_struct_sockaddr_storage)
|
|
if test $ac_cv_struct_sockaddr_storage = yes; then
|
|
AC_DEFINE(HAVE_SOCKADDR_STORAGE, 1, [struct sockaddr_storage (sys/socket.h)])
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for sockaddr_alg)
|
|
AC_CACHE_VAL(ac_cv_struct_sockaddr_alg,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
# include <sys/types.h>
|
|
# include <sys/socket.h>
|
|
# include <linux/if_alg.h>]], [[struct sockaddr_alg s]])],
|
|
[ac_cv_struct_sockaddr_alg=yes],
|
|
[ac_cv_struct_sockaddr_alg=no]))
|
|
AC_MSG_RESULT($ac_cv_struct_sockaddr_alg)
|
|
if test $ac_cv_struct_sockaddr_alg = yes; then
|
|
AC_DEFINE(HAVE_SOCKADDR_ALG, 1, [struct sockaddr_alg (linux/if_alg.h)])
|
|
fi
|
|
|
|
# checks for compiler characteristics
|
|
|
|
AC_C_CONST
|
|
|
|
works=no
|
|
AC_MSG_CHECKING(for working signed char)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char c;]])],
|
|
[works=yes],
|
|
[AC_DEFINE(signed, , [Define to empty if the keyword does not work.])]
|
|
)
|
|
AC_MSG_RESULT($works)
|
|
|
|
have_prototypes=no
|
|
AC_MSG_CHECKING(for prototypes)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int foo(int x) { return 0; }]], [[return foo(10);]])],
|
|
[AC_DEFINE(HAVE_PROTOTYPES, 1,
|
|
[Define if your compiler supports function prototype])
|
|
have_prototypes=yes],
|
|
[]
|
|
)
|
|
AC_MSG_RESULT($have_prototypes)
|
|
|
|
works=no
|
|
AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <stdarg.h>
|
|
int foo(int x, ...) {
|
|
va_list va;
|
|
va_start(va, x);
|
|
va_arg(va, int);
|
|
va_arg(va, char *);
|
|
va_arg(va, double);
|
|
return 0;
|
|
}
|
|
]], [[return foo(10, "", 3.14);]])],[
|
|
AC_DEFINE(HAVE_STDARG_PROTOTYPES, 1,
|
|
[Define if your compiler supports variable length function prototypes
|
|
(e.g. void fprintf(FILE *, char *, ...);) *and* <stdarg.h>])
|
|
works=yes
|
|
],[])
|
|
AC_MSG_RESULT($works)
|
|
|
|
# check for socketpair
|
|
AC_MSG_CHECKING(for socketpair)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
]], [[void *x=socketpair]])],
|
|
[AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define if you have the 'socketpair' function.])
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
# check if sockaddr has sa_len member
|
|
AC_MSG_CHECKING(if sockaddr has sa_len member)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
|
|
#include <sys/socket.h>]], [[struct sockaddr x;
|
|
x.sa_len = 0;]])],
|
|
[AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Define if sockaddr has sa_len member])],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
# sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
|
|
AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
|
|
[Define this if you have some version of gethostbyname_r()])
|
|
|
|
AC_CHECK_FUNC(gethostbyname_r, [
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_MSG_CHECKING([gethostbyname_r with 6 args])
|
|
OLD_CFLAGS=$CFLAGS
|
|
CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
# include <netdb.h>
|
|
]], [[
|
|
char *name;
|
|
struct hostent *he, *res;
|
|
char buffer[2048];
|
|
int buflen = 2048;
|
|
int h_errnop;
|
|
|
|
(void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop)
|
|
]])],[
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
|
|
[Define this if you have the 6-arg version of gethostbyname_r().])
|
|
AC_MSG_RESULT(yes)
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING([gethostbyname_r with 5 args])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
# include <netdb.h>
|
|
]], [[
|
|
char *name;
|
|
struct hostent *he;
|
|
char buffer[2048];
|
|
int buflen = 2048;
|
|
int h_errnop;
|
|
|
|
(void) gethostbyname_r(name, he, buffer, buflen, &h_errnop)
|
|
]])],
|
|
[
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
|
|
[Define this if you have the 5-arg version of gethostbyname_r().])
|
|
AC_MSG_RESULT(yes)
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING([gethostbyname_r with 3 args])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
# include <netdb.h>
|
|
]], [[
|
|
char *name;
|
|
struct hostent *he;
|
|
struct hostent_data data;
|
|
|
|
(void) gethostbyname_r(name, he, &data);
|
|
]])],
|
|
[
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
|
|
[Define this if you have the 3-arg version of gethostbyname_r().])
|
|
AC_MSG_RESULT(yes)
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
])
|
|
CFLAGS=$OLD_CFLAGS
|
|
], [
|
|
AC_CHECK_FUNCS(gethostbyname)
|
|
])
|
|
AC_SUBST(HAVE_GETHOSTBYNAME_R_6_ARG)
|
|
AC_SUBST(HAVE_GETHOSTBYNAME_R_5_ARG)
|
|
AC_SUBST(HAVE_GETHOSTBYNAME_R_3_ARG)
|
|
AC_SUBST(HAVE_GETHOSTBYNAME_R)
|
|
AC_SUBST(HAVE_GETHOSTBYNAME)
|
|
|
|
# checks for system services
|
|
# (none yet)
|
|
|
|
# Linux requires this for correct f.p. operations
|
|
AC_CHECK_FUNC(__fpu_control,
|
|
[],
|
|
[AC_CHECK_LIB(ieee, __fpu_control)
|
|
])
|
|
|
|
# check for --with-libm=...
|
|
AC_SUBST(LIBM)
|
|
case $ac_sys_system in
|
|
Darwin) ;;
|
|
*) LIBM=-lm
|
|
esac
|
|
AC_MSG_CHECKING(for --with-libm=STRING)
|
|
AC_ARG_WITH(libm,
|
|
AS_HELP_STRING([--with-libm=STRING], [override libm math library to STRING (default is system-dependent)]),
|
|
[
|
|
if test "$withval" = no
|
|
then LIBM=
|
|
AC_MSG_RESULT(force LIBM empty)
|
|
elif test "$withval" != yes
|
|
then LIBM=$withval
|
|
AC_MSG_RESULT(set LIBM="$withval")
|
|
else AC_MSG_ERROR([proper usage is --with-libm=STRING])
|
|
fi],
|
|
[AC_MSG_RESULT(default LIBM="$LIBM")])
|
|
|
|
# check for --with-libc=...
|
|
AC_SUBST(LIBC)
|
|
AC_MSG_CHECKING(for --with-libc=STRING)
|
|
AC_ARG_WITH(libc,
|
|
AS_HELP_STRING([--with-libc=STRING], [override libc C library to STRING (default is system-dependent)]),
|
|
[
|
|
if test "$withval" = no
|
|
then LIBC=
|
|
AC_MSG_RESULT(force LIBC empty)
|
|
elif test "$withval" != yes
|
|
then LIBC=$withval
|
|
AC_MSG_RESULT(set LIBC="$withval")
|
|
else AC_MSG_ERROR([proper usage is --with-libc=STRING])
|
|
fi],
|
|
[AC_MSG_RESULT(default LIBC="$LIBC")])
|
|
|
|
# **************************************
|
|
# * Check for gcc x64 inline assembler *
|
|
# **************************************
|
|
|
|
AC_MSG_CHECKING(for x64 gcc inline assembler)
|
|
AC_LINK_IFELSE( [AC_LANG_PROGRAM([[]], [[
|
|
__asm__ __volatile__ ("movq %rcx, %rax");
|
|
]])],[have_gcc_asm_for_x64=yes],[have_gcc_asm_for_x64=no])
|
|
AC_MSG_RESULT($have_gcc_asm_for_x64)
|
|
if test "$have_gcc_asm_for_x64" = yes
|
|
then
|
|
AC_DEFINE(HAVE_GCC_ASM_FOR_X64, 1,
|
|
[Define if we can use x64 gcc inline assembler])
|
|
fi
|
|
|
|
# **************************************************
|
|
# * Check for various properties of floating point *
|
|
# **************************************************
|
|
|
|
AX_C_FLOAT_WORDS_BIGENDIAN
|
|
if test "$ax_cv_c_float_words_bigendian" = "yes"
|
|
then
|
|
AC_DEFINE(DOUBLE_IS_BIG_ENDIAN_IEEE754, 1,
|
|
[Define if C doubles are 64-bit IEEE 754 binary format, stored
|
|
with the most significant byte first])
|
|
elif test "$ax_cv_c_float_words_bigendian" = "no"
|
|
then
|
|
AC_DEFINE(DOUBLE_IS_LITTLE_ENDIAN_IEEE754, 1,
|
|
[Define if C doubles are 64-bit IEEE 754 binary format, stored
|
|
with the least significant byte first])
|
|
else
|
|
# Some ARM platforms use a mixed-endian representation for doubles.
|
|
# While Python doesn't currently have full support for these platforms
|
|
# (see e.g., issue 1762561), we can at least make sure that float <-> string
|
|
# conversions work.
|
|
# FLOAT_WORDS_BIGENDIAN doesnt actually detect this case, but if it's not big
|
|
# or little, then it must be this?
|
|
AC_DEFINE(DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754, 1,
|
|
[Define if C doubles are 64-bit IEEE 754 binary format, stored
|
|
in ARM mixed-endian order (byte order 45670123)])
|
|
fi
|
|
|
|
# The short float repr introduced in Python 3.1 requires the
|
|
# correctly-rounded string <-> double conversion functions from
|
|
# Python/dtoa.c, which in turn require that the FPU uses 53-bit
|
|
# rounding; this is a problem on x86, where the x87 FPU has a default
|
|
# rounding precision of 64 bits. For gcc/x86, we can fix this by
|
|
# using inline assembler to get and set the x87 FPU control word.
|
|
|
|
# This inline assembler syntax may also work for suncc and icc,
|
|
# so we try it on all platforms.
|
|
|
|
AC_MSG_CHECKING(whether we can use gcc inline assembler to get and set x87 control word)
|
|
AC_LINK_IFELSE( [AC_LANG_PROGRAM([[]], [[
|
|
unsigned short cw;
|
|
__asm__ __volatile__ ("fnstcw %0" : "=m" (cw));
|
|
__asm__ __volatile__ ("fldcw %0" : : "m" (cw));
|
|
]])],[have_gcc_asm_for_x87=yes],[have_gcc_asm_for_x87=no])
|
|
AC_MSG_RESULT($have_gcc_asm_for_x87)
|
|
if test "$have_gcc_asm_for_x87" = yes
|
|
then
|
|
AC_DEFINE(HAVE_GCC_ASM_FOR_X87, 1,
|
|
[Define if we can use gcc inline assembler to get and set x87 control word])
|
|
fi
|
|
|
|
AC_MSG_CHECKING(whether we can use gcc inline assembler to get and set mc68881 fpcr)
|
|
AC_LINK_IFELSE( [AC_LANG_PROGRAM([[]], [[
|
|
unsigned int fpcr;
|
|
__asm__ __volatile__ ("fmove.l %%fpcr,%0" : "=g" (fpcr));
|
|
__asm__ __volatile__ ("fmove.l %0,%%fpcr" : : "g" (fpcr));
|
|
]])],[have_gcc_asm_for_mc68881=yes],[have_gcc_asm_for_mc68881=no])
|
|
AC_MSG_RESULT($have_gcc_asm_for_mc68881)
|
|
if test "$have_gcc_asm_for_mc68881" = yes
|
|
then
|
|
AC_DEFINE(HAVE_GCC_ASM_FOR_MC68881, 1,
|
|
[Define if we can use gcc inline assembler to get and set mc68881 fpcr])
|
|
fi
|
|
|
|
# Detect whether system arithmetic is subject to x87-style double
|
|
# rounding issues. The result of this test has little meaning on non
|
|
# IEEE 754 platforms. On IEEE 754, test should return 1 if rounding
|
|
# mode is round-to-nearest and double rounding issues are present, and
|
|
# 0 otherwise. See http://bugs.python.org/issue2937 for more info.
|
|
AC_MSG_CHECKING(for x87-style double rounding)
|
|
# $BASECFLAGS may affect the result
|
|
ac_save_cc="$CC"
|
|
CC="$CC $BASECFLAGS"
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
int main() {
|
|
volatile double x, y, z;
|
|
/* 1./(1-2**-53) -> 1+2**-52 (correct), 1.0 (double rounding) */
|
|
x = 0.99999999999999989; /* 1-2**-53 */
|
|
y = 1./x;
|
|
if (y != 1.)
|
|
exit(0);
|
|
/* 1e16+2.99999 -> 1e16+2. (correct), 1e16+4. (double rounding) */
|
|
x = 1e16;
|
|
y = 2.99999;
|
|
z = x + y;
|
|
if (z != 1e16+4.)
|
|
exit(0);
|
|
/* both tests show evidence of double rounding */
|
|
exit(1);
|
|
}
|
|
]])],
|
|
[ac_cv_x87_double_rounding=no],
|
|
[ac_cv_x87_double_rounding=yes],
|
|
[ac_cv_x87_double_rounding=no])
|
|
CC="$ac_save_cc"
|
|
AC_MSG_RESULT($ac_cv_x87_double_rounding)
|
|
if test "$ac_cv_x87_double_rounding" = yes
|
|
then
|
|
AC_DEFINE(X87_DOUBLE_ROUNDING, 1,
|
|
[Define if arithmetic is subject to x87-style double rounding issue])
|
|
fi
|
|
|
|
# ************************************
|
|
# * Check for mathematical functions *
|
|
# ************************************
|
|
|
|
LIBS_SAVE=$LIBS
|
|
LIBS="$LIBS $LIBM"
|
|
|
|
AC_CHECK_FUNCS([acosh asinh atanh copysign erf erfc expm1 finite gamma])
|
|
AC_CHECK_FUNCS([hypot lgamma log1p log2 round tgamma])
|
|
AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include <math.h>]])
|
|
|
|
# For multiprocessing module, check that sem_open
|
|
# actually works. For FreeBSD versions <= 7.2,
|
|
# the kernel module that provides POSIX semaphores
|
|
# isn't loaded by default, so an attempt to call
|
|
# sem_open results in a 'Signal 12' error.
|
|
AC_MSG_CHECKING(whether POSIX semaphores are enabled)
|
|
AC_CACHE_VAL(ac_cv_posix_semaphores_enabled,
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <semaphore.h>
|
|
#include <sys/stat.h>
|
|
|
|
int main(void) {
|
|
sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0);
|
|
if (a == SEM_FAILED) {
|
|
perror("sem_open");
|
|
return 1;
|
|
}
|
|
sem_close(a);
|
|
sem_unlink("/autoconf");
|
|
return 0;
|
|
}
|
|
]])],
|
|
[ac_cv_posix_semaphores_enabled=yes],
|
|
[ac_cv_posix_semaphores_enabled=no],
|
|
[ac_cv_posix_semaphores_enabled=yes])
|
|
)
|
|
AC_MSG_RESULT($ac_cv_posix_semaphores_enabled)
|
|
if test $ac_cv_posix_semaphores_enabled = no
|
|
then
|
|
AC_DEFINE(POSIX_SEMAPHORES_NOT_ENABLED, 1,
|
|
[Define if POSIX semaphores aren't enabled on your system])
|
|
fi
|
|
|
|
# Multiprocessing check for broken sem_getvalue
|
|
AC_MSG_CHECKING(for broken sem_getvalue)
|
|
AC_CACHE_VAL(ac_cv_broken_sem_getvalue,
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <semaphore.h>
|
|
#include <sys/stat.h>
|
|
|
|
int main(void){
|
|
sem_t *a = sem_open("/autocftw", O_CREAT, S_IRUSR|S_IWUSR, 0);
|
|
int count;
|
|
int res;
|
|
if(a==SEM_FAILED){
|
|
perror("sem_open");
|
|
return 1;
|
|
|
|
}
|
|
res = sem_getvalue(a, &count);
|
|
sem_close(a);
|
|
sem_unlink("/autocftw");
|
|
return res==-1 ? 1 : 0;
|
|
}
|
|
]])],
|
|
[ac_cv_broken_sem_getvalue=no],
|
|
[ac_cv_broken_sem_getvalue=yes],
|
|
[ac_cv_broken_sem_getvalue=yes])
|
|
)
|
|
AC_MSG_RESULT($ac_cv_broken_sem_getvalue)
|
|
if test $ac_cv_broken_sem_getvalue = yes
|
|
then
|
|
AC_DEFINE(HAVE_BROKEN_SEM_GETVALUE, 1,
|
|
[define to 1 if your sem_getvalue is broken.])
|
|
fi
|
|
|
|
AC_CHECK_DECLS([RTLD_LAZY, RTLD_NOW, RTLD_GLOBAL, RTLD_LOCAL, RTLD_NODELETE, RTLD_NOLOAD, RTLD_DEEPBIND, RTLD_MEMBER], [], [], [[#include <dlfcn.h>]])
|
|
|
|
# determine what size digit to use for Python's longs
|
|
AC_MSG_CHECKING([digit size for Python's longs])
|
|
AC_ARG_ENABLE(big-digits,
|
|
AS_HELP_STRING([--enable-big-digits@<:@=15|30@:>@],[use big digits (30 or 15 bits) for Python longs (default is system-dependent)]]),
|
|
[case $enable_big_digits in
|
|
yes)
|
|
enable_big_digits=30 ;;
|
|
no)
|
|
enable_big_digits=15 ;;
|
|
[15|30])
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR([bad value $enable_big_digits for --enable-big-digits; value should be 15 or 30]) ;;
|
|
esac
|
|
AC_MSG_RESULT($enable_big_digits)
|
|
AC_DEFINE_UNQUOTED(PYLONG_BITS_IN_DIGIT, $enable_big_digits, [Define as the preferred size in bits of long digits])
|
|
],
|
|
[AC_MSG_RESULT(no value specified)])
|
|
|
|
# check for wchar.h
|
|
AC_CHECK_HEADER(wchar.h, [
|
|
AC_DEFINE(HAVE_WCHAR_H, 1,
|
|
[Define if the compiler provides a wchar.h header file.])
|
|
wchar_h="yes"
|
|
],
|
|
wchar_h="no"
|
|
)
|
|
|
|
# determine wchar_t size
|
|
if test "$wchar_h" = yes
|
|
then
|
|
AC_CHECK_SIZEOF(wchar_t, 4, [#include <wchar.h>])
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for UCS-4 tcl)
|
|
have_ucs4_tcl=no
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <tcl.h>
|
|
#if TCL_UTF_MAX != 6
|
|
# error "NOT UCS4_TCL"
|
|
#endif]], [[]])],[
|
|
AC_DEFINE(HAVE_UCS4_TCL, 1, [Define this if you have tcl and TCL_UTF_MAX==6])
|
|
have_ucs4_tcl=yes
|
|
],[])
|
|
AC_MSG_RESULT($have_ucs4_tcl)
|
|
|
|
# check whether wchar_t is signed or not
|
|
if test "$wchar_h" = yes
|
|
then
|
|
# check whether wchar_t is signed or not
|
|
AC_MSG_CHECKING(whether wchar_t is signed)
|
|
AC_CACHE_VAL(ac_cv_wchar_t_signed, [
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <wchar.h>
|
|
int main()
|
|
{
|
|
/* Success: exit code 0 */
|
|
return ((((wchar_t) -1) < ((wchar_t) 0)) ? 0 : 1);
|
|
}
|
|
]])],
|
|
[ac_cv_wchar_t_signed=yes],
|
|
[ac_cv_wchar_t_signed=no],
|
|
[ac_cv_wchar_t_signed=yes])])
|
|
AC_MSG_RESULT($ac_cv_wchar_t_signed)
|
|
fi
|
|
|
|
AC_MSG_CHECKING(whether wchar_t is usable)
|
|
# wchar_t is only usable if it maps to an unsigned type
|
|
if test "$ac_cv_sizeof_wchar_t" -ge 2 \
|
|
-a "$ac_cv_wchar_t_signed" = "no"
|
|
then
|
|
AC_DEFINE(HAVE_USABLE_WCHAR_T, 1,
|
|
[Define if you have a useable wchar_t type defined in wchar.h; useable
|
|
means wchar_t must be an unsigned type with at least 16 bits. (see
|
|
Include/unicodeobject.h).])
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
case $ac_sys_system/$ac_sys_release in
|
|
SunOS/*)
|
|
if test -f /etc/os-release; then
|
|
OS_NAME=$(awk -F= '/^NAME=/ {print substr($2,2,length($2)-2)}' /etc/os-release)
|
|
if test "x$OS_NAME" = "xOracle Solaris"; then
|
|
# bpo-43667: In Oracle Solaris, the internal form of wchar_t in
|
|
# non-Unicode locales is not Unicode and hence cannot be used directly.
|
|
# https://docs.oracle.com/cd/E37838_01/html/E61053/gmwke.html
|
|
AC_DEFINE(HAVE_NON_UNICODE_WCHAR_T_REPRESENTATION, 1,
|
|
[Define if the internal form of wchar_t in non-Unicode locales
|
|
is not Unicode.])
|
|
fi
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
# check for endianness
|
|
AC_C_BIGENDIAN
|
|
|
|
# ABI version string for Python extension modules. This appears between the
|
|
# periods in shared library file names, e.g. foo.<SOABI>.so. It is calculated
|
|
# from the following attributes which affect the ABI of this Python build (in
|
|
# this order):
|
|
#
|
|
# * The Python implementation (always 'cpython-' for us)
|
|
# * The major and minor version numbers
|
|
# * --with-pydebug (adds a 'd')
|
|
#
|
|
# Thus for example, Python 3.2 built with wide unicode, pydebug, and pymalloc,
|
|
# would get a shared library ABI version tag of 'cpython-32dmu' and shared
|
|
# libraries would be named 'foo.cpython-32dmu.so'.
|
|
#
|
|
# In Python 3.2 and older, --with-wide-unicode added a 'u' flag.
|
|
# In Python 3.7 and older, --with-pymalloc added a 'm' flag.
|
|
AC_SUBST(SOABI)
|
|
AC_MSG_CHECKING(ABIFLAGS)
|
|
AC_MSG_RESULT($ABIFLAGS)
|
|
AC_MSG_CHECKING(SOABI)
|
|
SOABI='cpython-'`echo $VERSION | tr -d .`${ABIFLAGS}${PLATFORM_TRIPLET:+-$PLATFORM_TRIPLET}
|
|
AC_MSG_RESULT($SOABI)
|
|
|
|
# Release and debug (Py_DEBUG) ABI are compatible, but not Py_TRACE_REFS ABI
|
|
if test "$Py_DEBUG" = 'true' -a "$with_trace_refs" != "yes"; then
|
|
# Similar to SOABI but remove "d" flag from ABIFLAGS
|
|
AC_SUBST(ALT_SOABI)
|
|
ALT_SOABI='cpython-'`echo $VERSION | tr -d .``echo $ABIFLAGS | tr -d d`${PLATFORM_TRIPLET:+-$PLATFORM_TRIPLET}
|
|
AC_DEFINE_UNQUOTED(ALT_SOABI, "${ALT_SOABI}",
|
|
[Alternative SOABI used in debug build to load C extensions built in release mode])
|
|
fi
|
|
|
|
AC_SUBST(EXT_SUFFIX)
|
|
EXT_SUFFIX=.${SOABI}${SHLIB_SUFFIX}
|
|
|
|
AC_MSG_CHECKING(LDVERSION)
|
|
LDVERSION='$(VERSION)$(ABIFLAGS)'
|
|
AC_MSG_RESULT($LDVERSION)
|
|
|
|
# On Android and Cygwin the shared libraries must be linked with libpython.
|
|
AC_SUBST(LIBPYTHON)
|
|
if test -n "$ANDROID_API_LEVEL" -o "$MACHDEP" = "cygwin"; then
|
|
LIBPYTHON="-lpython${VERSION}${ABIFLAGS}"
|
|
else
|
|
LIBPYTHON=''
|
|
fi
|
|
|
|
|
|
AC_SUBST(BINLIBDEST)
|
|
BINLIBDEST='$(LIBDIR)/python$(VERSION)'
|
|
|
|
|
|
# Check for --with-platlibdir
|
|
# /usr/$LIDIRNAME/python$VERSION
|
|
AC_SUBST(PLATLIBDIR)
|
|
PLATLIBDIR="lib"
|
|
AC_MSG_CHECKING(for --with-platlibdir)
|
|
AC_ARG_WITH(platlibdir,
|
|
AS_HELP_STRING([--with-platlibdir=DIRNAME],
|
|
[Python library directory name (default is "lib")]),
|
|
[
|
|
# ignore 3 options:
|
|
# --with-platlibdir
|
|
# --with-platlibdir=
|
|
# --without-platlibdir
|
|
if test -n "$withval" -a "$withval" != yes -a "$withval" != no
|
|
then
|
|
AC_MSG_RESULT(yes)
|
|
PLATLIBDIR="$withval"
|
|
BINLIBDEST='${exec_prefix}/${PLATLIBDIR}/python$(VERSION)'
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
|
|
dnl define LIBPL after ABIFLAGS and LDVERSION is defined.
|
|
AC_SUBST(PY_ENABLE_SHARED)
|
|
if test x$PLATFORM_TRIPLET = x; then
|
|
LIBPL='$(prefix)'"/${PLATLIBDIR}/python${VERSION}/config-${LDVERSION}"
|
|
else
|
|
LIBPL='$(prefix)'"/${PLATLIBDIR}/python${VERSION}/config-${LDVERSION}-${PLATFORM_TRIPLET}"
|
|
fi
|
|
AC_SUBST(LIBPL)
|
|
|
|
# Check for --with-wheel-pkg-dir=PATH
|
|
AC_SUBST(WHEEL_PKG_DIR)
|
|
WHEEL_PKG_DIR=""
|
|
AC_MSG_CHECKING(for --with-wheel-pkg-dir)
|
|
AC_ARG_WITH(wheel-pkg-dir,
|
|
AS_HELP_STRING([--with-wheel-pkg-dir=PATH],
|
|
[Directory of wheel packages used by ensurepip (default: none)]),
|
|
[
|
|
if test -n "$withval"; then
|
|
AC_MSG_RESULT(yes)
|
|
WHEEL_PKG_DIR="$withval"
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
# Check whether right shifting a negative integer extends the sign bit
|
|
# or fills with zeros (like the Cray J90, according to Tim Peters).
|
|
AC_MSG_CHECKING(whether right shift extends the sign bit)
|
|
AC_CACHE_VAL(ac_cv_rshift_extends_sign, [
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
int main()
|
|
{
|
|
return (((-1)>>3 == -1) ? 0 : 1);
|
|
}
|
|
]])],
|
|
[ac_cv_rshift_extends_sign=yes],
|
|
[ac_cv_rshift_extends_sign=no],
|
|
[ac_cv_rshift_extends_sign=yes])])
|
|
AC_MSG_RESULT($ac_cv_rshift_extends_sign)
|
|
if test "$ac_cv_rshift_extends_sign" = no
|
|
then
|
|
AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS, 1,
|
|
[Define if i>>j for signed int i does not extend the sign bit
|
|
when i < 0])
|
|
fi
|
|
|
|
# check for getc_unlocked and related locking functions
|
|
AC_MSG_CHECKING(for getc_unlocked() and friends)
|
|
AC_CACHE_VAL(ac_cv_have_getc_unlocked, [
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[
|
|
FILE *f = fopen("/dev/null", "r");
|
|
flockfile(f);
|
|
getc_unlocked(f);
|
|
funlockfile(f);
|
|
]])],[ac_cv_have_getc_unlocked=yes],[ac_cv_have_getc_unlocked=no])])
|
|
AC_MSG_RESULT($ac_cv_have_getc_unlocked)
|
|
if test "$ac_cv_have_getc_unlocked" = yes
|
|
then
|
|
AC_DEFINE(HAVE_GETC_UNLOCKED, 1,
|
|
[Define this if you have flockfile(), getc_unlocked(), and funlockfile()])
|
|
fi
|
|
|
|
AC_ARG_WITH([readline],
|
|
[AS_HELP_STRING([--with(out)-readline@<:@=editline@:>@],
|
|
[use Editline for backend or disable readline module])],
|
|
[],
|
|
[with_readline=yes])
|
|
|
|
# check where readline lives
|
|
py_cv_lib_readline=no
|
|
# save the value of LIBS so we don't actually link Python with readline
|
|
LIBS_no_readline=$LIBS
|
|
|
|
if test "$with_readline" != no; then
|
|
case "$with_readline" in
|
|
editline|edit)
|
|
LIBREADLINE=edit
|
|
AC_DEFINE(WITH_EDITLINE, 1,
|
|
[Define to build the readline module against Editline.])
|
|
;;
|
|
yes|readline)
|
|
LIBREADLINE=readline
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR([proper usage is --with(out)-readline@<:@=editline@:>@])
|
|
;;
|
|
esac
|
|
|
|
# On some systems we need to link readline to a termcap compatible
|
|
# library. NOTE: Keep the precedence of listed libraries synchronised
|
|
# with setup.py.
|
|
AC_MSG_CHECKING([how to link readline libs])
|
|
for py_libtermcap in "" tinfo ncursesw ncurses curses termcap; do
|
|
if test -z "$py_libtermcap"; then
|
|
READLINE_LIBS="-l$LIBREADLINE"
|
|
else
|
|
READLINE_LIBS="-l$LIBREADLINE -l$py_libtermcap"
|
|
fi
|
|
LIBS="$READLINE_LIBS $LIBS_no_readline"
|
|
AC_LINK_IFELSE(
|
|
[AC_LANG_CALL([],[readline])],
|
|
[py_cv_lib_readline=yes])
|
|
if test $py_cv_lib_readline = yes; then
|
|
break
|
|
fi
|
|
done
|
|
|
|
# Uncomment this line if you want to use READLINE_LIBS in Makefile or scripts
|
|
#AC_SUBST([READLINE_LIBS])
|
|
if test $py_cv_lib_readline = no; then
|
|
AC_MSG_RESULT([none])
|
|
else
|
|
AC_MSG_RESULT([$READLINE_LIBS])
|
|
AC_DEFINE(HAVE_LIBREADLINE, 1,
|
|
[Define to build the readline module.])
|
|
fi
|
|
fi
|
|
|
|
if test "$py_cv_lib_readline" = yes; then
|
|
# check for readline 2.2
|
|
AC_CHECK_DECL(rl_completion_append_character,
|
|
AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1,
|
|
[Define if you have readline 2.2]),,
|
|
[
|
|
#include <stdio.h> /* Must be first for Gnu Readline */
|
|
#ifdef WITH_EDITLINE
|
|
# include <editline/readline.h>
|
|
#else
|
|
# include <readline/readline.h>
|
|
#endif
|
|
])
|
|
AC_CHECK_DECL(rl_completion_suppress_append,
|
|
AC_DEFINE(HAVE_RL_COMPLETION_SUPPRESS_APPEND, 1,
|
|
[Define if you have rl_completion_suppress_append]),,
|
|
[
|
|
#include <stdio.h> /* Must be first for Gnu Readline */
|
|
#ifdef WITH_EDITLINE
|
|
# include <editline/readline.h>
|
|
#else
|
|
# include <readline/readline.h>
|
|
#endif
|
|
])
|
|
|
|
# check for readline 4.0
|
|
AC_CHECK_LIB($LIBREADLINE, rl_pre_input_hook,
|
|
AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK, 1,
|
|
[Define if you have readline 4.0]),,$READLINE_LIBS)
|
|
|
|
# also in 4.0
|
|
AC_CHECK_LIB($LIBREADLINE, rl_completion_display_matches_hook,
|
|
AC_DEFINE(HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK, 1,
|
|
[Define if you have readline 4.0]),,$READLINE_LIBS)
|
|
|
|
# also in 4.0, but not in editline
|
|
AC_CHECK_LIB($LIBREADLINE, rl_resize_terminal,
|
|
AC_DEFINE(HAVE_RL_RESIZE_TERMINAL, 1,
|
|
[Define if you have readline 4.0]),,$READLINE_LIBS)
|
|
|
|
# check for readline 4.2
|
|
AC_CHECK_LIB($LIBREADLINE, rl_completion_matches,
|
|
AC_DEFINE(HAVE_RL_COMPLETION_MATCHES, 1,
|
|
[Define if you have readline 4.2]),,$READLINE_LIBS)
|
|
|
|
# also in readline 4.2
|
|
AC_CHECK_DECL(rl_catch_signals,
|
|
AC_DEFINE(HAVE_RL_CATCH_SIGNAL, 1,
|
|
[Define if you can turn off readline's signal handling.]),,
|
|
[
|
|
#include <stdio.h> /* Must be first for Gnu Readline */
|
|
#ifdef WITH_EDITLINE
|
|
# include <editline/readline.h>
|
|
#else
|
|
# include <readline/readline.h>
|
|
#endif
|
|
])
|
|
|
|
AC_CHECK_LIB($LIBREADLINE, append_history,
|
|
AC_DEFINE(HAVE_RL_APPEND_HISTORY, 1,
|
|
[Define if readline supports append_history]),,$READLINE_LIBS)
|
|
fi
|
|
|
|
# End of readline checks: restore LIBS
|
|
LIBS=$LIBS_no_readline
|
|
|
|
AC_MSG_CHECKING(for broken nice())
|
|
AC_CACHE_VAL(ac_cv_broken_nice, [
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
int main()
|
|
{
|
|
int val1 = nice(1);
|
|
if (val1 != -1 && val1 == nice(2))
|
|
exit(0);
|
|
exit(1);
|
|
}
|
|
]])],
|
|
[ac_cv_broken_nice=yes],
|
|
[ac_cv_broken_nice=no],
|
|
[ac_cv_broken_nice=no])])
|
|
AC_MSG_RESULT($ac_cv_broken_nice)
|
|
if test "$ac_cv_broken_nice" = yes
|
|
then
|
|
AC_DEFINE(HAVE_BROKEN_NICE, 1,
|
|
[Define if nice() returns success/failure instead of the new priority.])
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for broken poll())
|
|
AC_CACHE_VAL(ac_cv_broken_poll,
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <poll.h>
|
|
#include <unistd.h>
|
|
|
|
int main()
|
|
{
|
|
struct pollfd poll_struct = { 42, POLLIN|POLLPRI|POLLOUT, 0 };
|
|
int poll_test;
|
|
|
|
close (42);
|
|
|
|
poll_test = poll(&poll_struct, 1, 0);
|
|
if (poll_test < 0)
|
|
return 0;
|
|
else if (poll_test == 0 && poll_struct.revents != POLLNVAL)
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
]])],
|
|
[ac_cv_broken_poll=yes],
|
|
[ac_cv_broken_poll=no],
|
|
[ac_cv_broken_poll=no]))
|
|
AC_MSG_RESULT($ac_cv_broken_poll)
|
|
if test "$ac_cv_broken_poll" = yes
|
|
then
|
|
AC_DEFINE(HAVE_BROKEN_POLL, 1,
|
|
[Define if poll() sets errno on invalid file descriptors.])
|
|
fi
|
|
|
|
# check tzset(3) exists and works like we expect it to
|
|
AC_MSG_CHECKING(for working tzset())
|
|
AC_CACHE_VAL(ac_cv_working_tzset, [
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <string.h>
|
|
|
|
#if HAVE_TZNAME
|
|
extern char *tzname[];
|
|
#endif
|
|
|
|
int main()
|
|
{
|
|
/* Note that we need to ensure that not only does tzset(3)
|
|
do 'something' with localtime, but it works as documented
|
|
in the library reference and as expected by the test suite.
|
|
This includes making sure that tzname is set properly if
|
|
tm->tm_zone does not exist since it is the alternative way
|
|
of getting timezone info.
|
|
|
|
Red Hat 6.2 doesn't understand the southern hemisphere
|
|
after New Year's Day.
|
|
*/
|
|
|
|
time_t groundhogday = 1044144000; /* GMT-based */
|
|
time_t midyear = groundhogday + (365 * 24 * 3600 / 2);
|
|
|
|
putenv("TZ=UTC+0");
|
|
tzset();
|
|
if (localtime(&groundhogday)->tm_hour != 0)
|
|
exit(1);
|
|
#if HAVE_TZNAME
|
|
/* For UTC, tzname[1] is sometimes "", sometimes " " */
|
|
if (strcmp(tzname[0], "UTC") ||
|
|
(tzname[1][0] != 0 && tzname[1][0] != ' '))
|
|
exit(1);
|
|
#endif
|
|
|
|
putenv("TZ=EST+5EDT,M4.1.0,M10.5.0");
|
|
tzset();
|
|
if (localtime(&groundhogday)->tm_hour != 19)
|
|
exit(1);
|
|
#if HAVE_TZNAME
|
|
if (strcmp(tzname[0], "EST") || strcmp(tzname[1], "EDT"))
|
|
exit(1);
|
|
#endif
|
|
|
|
putenv("TZ=AEST-10AEDT-11,M10.5.0,M3.5.0");
|
|
tzset();
|
|
if (localtime(&groundhogday)->tm_hour != 11)
|
|
exit(1);
|
|
#if HAVE_TZNAME
|
|
if (strcmp(tzname[0], "AEST") || strcmp(tzname[1], "AEDT"))
|
|
exit(1);
|
|
#endif
|
|
|
|
#if HAVE_STRUCT_TM_TM_ZONE
|
|
if (strcmp(localtime(&groundhogday)->tm_zone, "AEDT"))
|
|
exit(1);
|
|
if (strcmp(localtime(&midyear)->tm_zone, "AEST"))
|
|
exit(1);
|
|
#endif
|
|
|
|
exit(0);
|
|
}
|
|
]])],
|
|
[ac_cv_working_tzset=yes],
|
|
[ac_cv_working_tzset=no],
|
|
[ac_cv_working_tzset=no])])
|
|
AC_MSG_RESULT($ac_cv_working_tzset)
|
|
if test "$ac_cv_working_tzset" = yes
|
|
then
|
|
AC_DEFINE(HAVE_WORKING_TZSET, 1,
|
|
[Define if tzset() actually switches the local timezone in a meaningful way.])
|
|
fi
|
|
|
|
# Look for subsecond timestamps in struct stat
|
|
AC_MSG_CHECKING(for tv_nsec in struct stat)
|
|
AC_CACHE_VAL(ac_cv_stat_tv_nsec,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[
|
|
struct stat st;
|
|
st.st_mtim.tv_nsec = 1;
|
|
]])],
|
|
[ac_cv_stat_tv_nsec=yes],
|
|
[ac_cv_stat_tv_nsec=no]))
|
|
AC_MSG_RESULT($ac_cv_stat_tv_nsec)
|
|
if test "$ac_cv_stat_tv_nsec" = yes
|
|
then
|
|
AC_DEFINE(HAVE_STAT_TV_NSEC, 1,
|
|
[Define if you have struct stat.st_mtim.tv_nsec])
|
|
fi
|
|
|
|
# Look for BSD style subsecond timestamps in struct stat
|
|
AC_MSG_CHECKING(for tv_nsec2 in struct stat)
|
|
AC_CACHE_VAL(ac_cv_stat_tv_nsec2,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[
|
|
struct stat st;
|
|
st.st_mtimespec.tv_nsec = 1;
|
|
]])],
|
|
[ac_cv_stat_tv_nsec2=yes],
|
|
[ac_cv_stat_tv_nsec2=no]))
|
|
AC_MSG_RESULT($ac_cv_stat_tv_nsec2)
|
|
if test "$ac_cv_stat_tv_nsec2" = yes
|
|
then
|
|
AC_DEFINE(HAVE_STAT_TV_NSEC2, 1,
|
|
[Define if you have struct stat.st_mtimensec])
|
|
fi
|
|
|
|
# first curses header check
|
|
ac_save_cppflags="$CPPFLAGS"
|
|
if test "$cross_compiling" = no; then
|
|
CPPFLAGS="$CPPFLAGS -I/usr/include/ncursesw"
|
|
fi
|
|
|
|
AC_CHECK_HEADERS(curses.h ncurses.h)
|
|
|
|
# On Solaris, term.h requires curses.h
|
|
AC_CHECK_HEADERS(term.h,,,[
|
|
#ifdef HAVE_CURSES_H
|
|
#include <curses.h>
|
|
#endif
|
|
])
|
|
|
|
# On HP/UX 11.0, mvwdelch is a block with a return statement
|
|
AC_MSG_CHECKING(whether mvwdelch is an expression)
|
|
AC_CACHE_VAL(ac_cv_mvwdelch_is_expression,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
|
|
int rtn;
|
|
rtn = mvwdelch(0,0,0);
|
|
]])],
|
|
[ac_cv_mvwdelch_is_expression=yes],
|
|
[ac_cv_mvwdelch_is_expression=no]))
|
|
AC_MSG_RESULT($ac_cv_mvwdelch_is_expression)
|
|
|
|
if test "$ac_cv_mvwdelch_is_expression" = yes
|
|
then
|
|
AC_DEFINE(MVWDELCH_IS_EXPRESSION, 1,
|
|
[Define if mvwdelch in curses.h is an expression.])
|
|
fi
|
|
|
|
# Issue #25720: ncurses has introduced the NCURSES_OPAQUE symbol making opaque
|
|
# structs since version 5.7. If the macro is defined as zero before including
|
|
# [n]curses.h, ncurses will expose fields of the structs regardless of the
|
|
# configuration.
|
|
AC_MSG_CHECKING(whether WINDOW has _flags)
|
|
AC_CACHE_VAL(ac_cv_window_has_flags,
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#define NCURSES_OPAQUE 0
|
|
#include <curses.h>
|
|
]], [[
|
|
WINDOW *w;
|
|
w->_flags = 0;
|
|
]])],
|
|
[ac_cv_window_has_flags=yes],
|
|
[ac_cv_window_has_flags=no]))
|
|
AC_MSG_RESULT($ac_cv_window_has_flags)
|
|
|
|
|
|
if test "$ac_cv_window_has_flags" = yes
|
|
then
|
|
AC_DEFINE(WINDOW_HAS_FLAGS, 1,
|
|
[Define if WINDOW in curses.h offers a field _flags.])
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for is_pad)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
|
|
#ifndef is_pad
|
|
void *x=is_pad
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_CURSES_IS_PAD, 1, Define if you have the 'is_pad' function or macro.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for is_term_resized)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=is_term_resized]])],
|
|
[AC_DEFINE(HAVE_CURSES_IS_TERM_RESIZED, 1, Define if you have the 'is_term_resized' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for resize_term)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=resize_term]])],
|
|
[AC_DEFINE(HAVE_CURSES_RESIZE_TERM, 1, Define if you have the 'resize_term' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for resizeterm)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=resizeterm]])],
|
|
[AC_DEFINE(HAVE_CURSES_RESIZETERM, 1, Define if you have the 'resizeterm' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for immedok)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
|
|
#ifndef immedok
|
|
void *x=immedok
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_CURSES_IMMEDOK, 1, Define if you have the 'immedok' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for syncok)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
|
|
#ifndef syncok
|
|
void *x=syncok
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_CURSES_SYNCOK, 1, Define if you have the 'syncok' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for wchgat)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
|
|
#ifndef wchgat
|
|
void *x=wchgat
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_CURSES_WCHGAT, 1, Define if you have the 'wchgat' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for filter)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
|
|
#ifndef filter
|
|
void *x=filter
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_CURSES_FILTER, 1, Define if you have the 'filter' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for has_key)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
|
|
#ifndef has_key
|
|
void *x=has_key
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_CURSES_HAS_KEY, 1, Define if you have the 'has_key' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for typeahead)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
|
|
#ifndef typeahead
|
|
void *x=typeahead
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_CURSES_TYPEAHEAD, 1, Define if you have the 'typeahead' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for use_env)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
|
|
#ifndef use_env
|
|
void *x=use_env
|
|
#endif
|
|
]])],
|
|
[AC_DEFINE(HAVE_CURSES_USE_ENV, 1, Define if you have the 'use_env' function.)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]
|
|
)
|
|
# last curses configure check
|
|
CPPFLAGS=$ac_save_cppflags
|
|
|
|
AC_MSG_NOTICE([checking for device files])
|
|
|
|
dnl NOTE: Inform user how to proceed with files when cross compiling.
|
|
if test "x$cross_compiling" = xyes; then
|
|
if test "${ac_cv_file__dev_ptmx+set}" != set; then
|
|
AC_MSG_CHECKING([for /dev/ptmx])
|
|
AC_MSG_RESULT([not set])
|
|
AC_MSG_ERROR([set ac_cv_file__dev_ptmx to yes/no in your CONFIG_SITE file when cross compiling])
|
|
fi
|
|
if test "${ac_cv_file__dev_ptc+set}" != set; then
|
|
AC_MSG_CHECKING([for /dev/ptc])
|
|
AC_MSG_RESULT([not set])
|
|
AC_MSG_ERROR([set ac_cv_file__dev_ptc to yes/no in your CONFIG_SITE file when cross compiling])
|
|
fi
|
|
fi
|
|
|
|
AC_CHECK_FILE(/dev/ptmx, [], [])
|
|
if test "x$ac_cv_file__dev_ptmx" = xyes; then
|
|
AC_DEFINE(HAVE_DEV_PTMX, 1,
|
|
[Define to 1 if you have the /dev/ptmx device file.])
|
|
fi
|
|
AC_CHECK_FILE(/dev/ptc, [], [])
|
|
if test "x$ac_cv_file__dev_ptc" = xyes; then
|
|
AC_DEFINE(HAVE_DEV_PTC, 1,
|
|
[Define to 1 if you have the /dev/ptc device file.])
|
|
fi
|
|
|
|
if test $ac_sys_system = Darwin
|
|
then
|
|
LIBS="$LIBS -framework CoreFoundation"
|
|
fi
|
|
|
|
AC_CACHE_CHECK([for %zd printf() format support], ac_cv_have_size_t_format, [dnl
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_SSIZE_T
|
|
typedef ssize_t Py_ssize_t;
|
|
#elif SIZEOF_VOID_P == SIZEOF_LONG
|
|
typedef long Py_ssize_t;
|
|
#else
|
|
typedef int Py_ssize_t;
|
|
#endif
|
|
|
|
int main()
|
|
{
|
|
char buffer[256];
|
|
|
|
if(sprintf(buffer, "%zd", (size_t)123) < 0)
|
|
return 1;
|
|
|
|
if (strcmp(buffer, "123"))
|
|
return 1;
|
|
|
|
if (sprintf(buffer, "%zd", (Py_ssize_t)-123) < 0)
|
|
return 1;
|
|
|
|
if (strcmp(buffer, "-123"))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
]])],
|
|
[ac_cv_have_size_t_format=yes],
|
|
[ac_cv_have_size_t_format=no],
|
|
[ac_cv_have_size_t_format="cross -- assuming yes"
|
|
])])
|
|
if test "$ac_cv_have_size_t_format" != no ; then
|
|
AC_DEFINE(PY_FORMAT_SIZE_T, "z",
|
|
[Define to printf format modifier for Py_ssize_t])
|
|
fi
|
|
|
|
AC_CHECK_TYPE(socklen_t,,
|
|
AC_DEFINE(socklen_t,int,
|
|
[Define to `int' if <sys/socket.h> does not define.]),[
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
])
|
|
|
|
AC_MSG_CHECKING(for broken mbstowcs)
|
|
AC_CACHE_VAL(ac_cv_broken_mbstowcs,
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include<stdlib.h>
|
|
int main() {
|
|
size_t len = -1;
|
|
const char *str = "text";
|
|
len = mbstowcs(NULL, str, 0);
|
|
return (len != 4);
|
|
}
|
|
]])],
|
|
[ac_cv_broken_mbstowcs=no],
|
|
[ac_cv_broken_mbstowcs=yes],
|
|
[ac_cv_broken_mbstowcs=no]))
|
|
AC_MSG_RESULT($ac_cv_broken_mbstowcs)
|
|
if test "$ac_cv_broken_mbstowcs" = yes
|
|
then
|
|
AC_DEFINE(HAVE_BROKEN_MBSTOWCS, 1,
|
|
[Define if mbstowcs(NULL, "text", 0) does not return the number of
|
|
wide chars that would be converted.])
|
|
fi
|
|
|
|
# Check for --with-computed-gotos
|
|
AC_MSG_CHECKING(for --with-computed-gotos)
|
|
AC_ARG_WITH(computed-gotos,
|
|
AS_HELP_STRING([--with-computed-gotos],
|
|
[enable computed gotos in evaluation loop (enabled by default on supported compilers)]),
|
|
[
|
|
if test "$withval" = yes
|
|
then
|
|
AC_DEFINE(USE_COMPUTED_GOTOS, 1,
|
|
[Define if you want to use computed gotos in ceval.c.])
|
|
AC_MSG_RESULT(yes)
|
|
fi
|
|
if test "$withval" = no
|
|
then
|
|
AC_DEFINE(USE_COMPUTED_GOTOS, 0,
|
|
[Define if you want to use computed gotos in ceval.c.])
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
],
|
|
[AC_MSG_RESULT(no value specified)])
|
|
|
|
AC_MSG_CHECKING(whether $CC supports computed gotos)
|
|
AC_CACHE_VAL(ac_cv_computed_gotos,
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[[
|
|
int main(int argc, char **argv)
|
|
{
|
|
static void *targets[1] = { &&LABEL1 };
|
|
goto LABEL2;
|
|
LABEL1:
|
|
return 0;
|
|
LABEL2:
|
|
goto *targets[0];
|
|
return 1;
|
|
}
|
|
]]])],
|
|
[ac_cv_computed_gotos=yes],
|
|
[ac_cv_computed_gotos=no],
|
|
[if test "${with_computed_gotos+set}" = set; then
|
|
ac_cv_computed_gotos="$with_computed_gotos -- configured --with(out)-computed-gotos"
|
|
else
|
|
ac_cv_computed_gotos=no
|
|
fi]))
|
|
AC_MSG_RESULT($ac_cv_computed_gotos)
|
|
case "$ac_cv_computed_gotos" in yes*)
|
|
AC_DEFINE(HAVE_COMPUTED_GOTOS, 1,
|
|
[Define if the C compiler supports computed gotos.])
|
|
esac
|
|
|
|
case $ac_sys_system in
|
|
AIX*)
|
|
AC_DEFINE(HAVE_BROKEN_PIPE_BUF, 1, [Define if the system reports an invalid PIPE_BUF value.]) ;;
|
|
esac
|
|
|
|
|
|
AC_SUBST(THREADHEADERS)
|
|
|
|
for h in `(cd $srcdir;echo Python/thread_*.h)`
|
|
do
|
|
THREADHEADERS="$THREADHEADERS \$(srcdir)/$h"
|
|
done
|
|
|
|
AC_SUBST(SRCDIRS)
|
|
SRCDIRS="Parser Objects Python Modules Modules/_io Programs"
|
|
AC_MSG_CHECKING(for build directories)
|
|
for dir in $SRCDIRS; do
|
|
if test ! -d $dir; then
|
|
mkdir $dir
|
|
fi
|
|
done
|
|
AC_MSG_RESULT(done)
|
|
|
|
# Availability of -O2:
|
|
AC_MSG_CHECKING(for -O2)
|
|
saved_cflags="$CFLAGS"
|
|
CFLAGS="-O2"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
|
|
]])],[have_O2=yes],[have_O2=no])
|
|
AC_MSG_RESULT($have_O2)
|
|
CFLAGS="$saved_cflags"
|
|
|
|
# _FORTIFY_SOURCE wrappers for memmove and bcopy are incorrect:
|
|
# http://sourceware.org/ml/libc-alpha/2010-12/msg00009.html
|
|
AC_MSG_CHECKING(for glibc _FORTIFY_SOURCE/memmove bug)
|
|
saved_cflags="$CFLAGS"
|
|
CFLAGS="-O2 -D_FORTIFY_SOURCE=2"
|
|
if test "$have_O2" = no; then
|
|
CFLAGS=""
|
|
fi
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
void foo(void *p, void *q) { memmove(p, q, 19); }
|
|
int main() {
|
|
char a[32] = "123456789000000000";
|
|
foo(&a[9], a);
|
|
if (strcmp(a, "123456789123456789000000000") != 0)
|
|
return 1;
|
|
foo(a, &a[9]);
|
|
if (strcmp(a, "123456789000000000") != 0)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
]])],
|
|
[have_glibc_memmove_bug=no],
|
|
[have_glibc_memmove_bug=yes],
|
|
[have_glibc_memmove_bug=undefined])
|
|
CFLAGS="$saved_cflags"
|
|
AC_MSG_RESULT($have_glibc_memmove_bug)
|
|
if test "$have_glibc_memmove_bug" = yes; then
|
|
AC_DEFINE(HAVE_GLIBC_MEMMOVE_BUG, 1,
|
|
[Define if glibc has incorrect _FORTIFY_SOURCE wrappers
|
|
for memmove and bcopy.])
|
|
fi
|
|
|
|
if test "$have_gcc_asm_for_x87" = yes; then
|
|
# Some versions of gcc miscompile inline asm:
|
|
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46491
|
|
# http://gcc.gnu.org/ml/gcc/2010-11/msg00366.html
|
|
case $CC in
|
|
*gcc*)
|
|
AC_MSG_CHECKING(for gcc ipa-pure-const bug)
|
|
saved_cflags="$CFLAGS"
|
|
CFLAGS="-O2"
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
__attribute__((noinline)) int
|
|
foo(int *p) {
|
|
int r;
|
|
asm ( "movl \$6, (%1)\n\t"
|
|
"xorl %0, %0\n\t"
|
|
: "=r" (r) : "r" (p) : "memory"
|
|
);
|
|
return r;
|
|
}
|
|
int main() {
|
|
int p = 8;
|
|
if ((foo(&p) ? : p) != 6)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
]])],
|
|
[have_ipa_pure_const_bug=no],
|
|
[have_ipa_pure_const_bug=yes],
|
|
[have_ipa_pure_const_bug=undefined])
|
|
CFLAGS="$saved_cflags"
|
|
AC_MSG_RESULT($have_ipa_pure_const_bug)
|
|
if test "$have_ipa_pure_const_bug" = yes; then
|
|
AC_DEFINE(HAVE_IPA_PURE_CONST_BUG, 1,
|
|
[Define if gcc has the ipa-pure-const bug.])
|
|
fi
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
# Check for stdatomic.h
|
|
AC_MSG_CHECKING(for stdatomic.h)
|
|
AC_LINK_IFELSE(
|
|
[
|
|
AC_LANG_SOURCE([[
|
|
#include <stdatomic.h>
|
|
atomic_int int_var;
|
|
atomic_uintptr_t uintptr_var;
|
|
int main() {
|
|
atomic_store_explicit(&int_var, 5, memory_order_relaxed);
|
|
atomic_store_explicit(&uintptr_var, 0, memory_order_relaxed);
|
|
int loaded_value = atomic_load_explicit(&int_var, memory_order_seq_cst);
|
|
return 0;
|
|
}
|
|
]])
|
|
],[have_stdatomic_h=yes],[have_stdatomic_h=no])
|
|
|
|
AC_MSG_RESULT($have_stdatomic_h)
|
|
|
|
if test "$have_stdatomic_h" = yes; then
|
|
AC_DEFINE(HAVE_STD_ATOMIC, 1,
|
|
[Has stdatomic.h with atomic_int and atomic_uintptr_t])
|
|
fi
|
|
|
|
# Check for GCC >= 4.7 and clang __atomic builtin functions
|
|
AC_MSG_CHECKING(for builtin __atomic_load_n and __atomic_store_n functions)
|
|
AC_LINK_IFELSE(
|
|
[
|
|
AC_LANG_SOURCE([[
|
|
int val;
|
|
int main() {
|
|
__atomic_store_n(&val, 1, __ATOMIC_SEQ_CST);
|
|
(void)__atomic_load_n(&val, __ATOMIC_SEQ_CST);
|
|
return 0;
|
|
}
|
|
]])
|
|
],[have_builtin_atomic=yes],[have_builtin_atomic=no])
|
|
|
|
AC_MSG_RESULT($have_builtin_atomic)
|
|
|
|
if test "$have_builtin_atomic" = yes; then
|
|
AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Has builtin __atomic_load_n() and __atomic_store_n() functions])
|
|
fi
|
|
|
|
# ensurepip option
|
|
AC_MSG_CHECKING(for ensurepip)
|
|
AC_ARG_WITH(ensurepip,
|
|
[AS_HELP_STRING([--with-ensurepip@<:@=install|upgrade|no@:>@],
|
|
["install" or "upgrade" using bundled pip (default is upgrade)])],
|
|
[],
|
|
[with_ensurepip=upgrade])
|
|
AS_CASE($with_ensurepip,
|
|
[yes|upgrade],[ENSUREPIP=upgrade],
|
|
[install],[ENSUREPIP=install],
|
|
[no],[ENSUREPIP=no],
|
|
[AC_MSG_ERROR([--with-ensurepip=upgrade|install|no])])
|
|
AC_MSG_RESULT($ENSUREPIP)
|
|
AC_SUBST(ENSUREPIP)
|
|
|
|
# check if the dirent structure of a d_type field and DT_UNKNOWN is defined
|
|
AC_MSG_CHECKING(if the dirent structure of a d_type field)
|
|
AC_LINK_IFELSE(
|
|
[
|
|
AC_LANG_SOURCE([[
|
|
#include <dirent.h>
|
|
|
|
int main() {
|
|
struct dirent entry;
|
|
return entry.d_type == DT_UNKNOWN;
|
|
}
|
|
]])
|
|
],[have_dirent_d_type=yes],[have_dirent_d_type=no])
|
|
AC_MSG_RESULT($have_dirent_d_type)
|
|
|
|
if test "$have_dirent_d_type" = yes; then
|
|
AC_DEFINE(HAVE_DIRENT_D_TYPE, 1,
|
|
[Define to 1 if the dirent structure has a d_type field])
|
|
fi
|
|
|
|
# check if the Linux getrandom() syscall is available
|
|
AC_MSG_CHECKING(for the Linux getrandom() syscall)
|
|
AC_LINK_IFELSE(
|
|
[
|
|
AC_LANG_SOURCE([[
|
|
#include <unistd.h>
|
|
#include <sys/syscall.h>
|
|
#include <linux/random.h>
|
|
|
|
int main() {
|
|
char buffer[1];
|
|
const size_t buflen = sizeof(buffer);
|
|
const int flags = GRND_NONBLOCK;
|
|
/* ignore the result, Python checks for ENOSYS and EAGAIN at runtime */
|
|
(void)syscall(SYS_getrandom, buffer, buflen, flags);
|
|
return 0;
|
|
}
|
|
]])
|
|
],[have_getrandom_syscall=yes],[have_getrandom_syscall=no])
|
|
AC_MSG_RESULT($have_getrandom_syscall)
|
|
|
|
if test "$have_getrandom_syscall" = yes; then
|
|
AC_DEFINE(HAVE_GETRANDOM_SYSCALL, 1,
|
|
[Define to 1 if the Linux getrandom() syscall is available])
|
|
fi
|
|
|
|
# check if the getrandom() function is available
|
|
# the test was written for the Solaris function of <sys/random.h>
|
|
AC_MSG_CHECKING(for the getrandom() function)
|
|
AC_LINK_IFELSE(
|
|
[
|
|
AC_LANG_SOURCE([[
|
|
#include <sys/random.h>
|
|
|
|
int main() {
|
|
char buffer[1];
|
|
const size_t buflen = sizeof(buffer);
|
|
const int flags = 0;
|
|
/* ignore the result, Python checks for ENOSYS at runtime */
|
|
(void)getrandom(buffer, buflen, flags);
|
|
return 0;
|
|
}
|
|
]])
|
|
],[have_getrandom=yes],[have_getrandom=no])
|
|
AC_MSG_RESULT($have_getrandom)
|
|
|
|
if test "$have_getrandom" = yes; then
|
|
AC_DEFINE(HAVE_GETRANDOM, 1,
|
|
[Define to 1 if the getrandom() function is available])
|
|
fi
|
|
|
|
# checks for POSIX shared memory, used by Modules/_multiprocessing/posixshmem.c
|
|
# shm_* may only be available if linking against librt
|
|
save_LIBS="$LIBS"
|
|
save_includes_default="$ac_includes_default"
|
|
AC_SEARCH_LIBS(shm_open, rt)
|
|
if test "$ac_cv_search_shm_open" = "-lrt"; then
|
|
AC_DEFINE(SHM_NEEDS_LIBRT, 1,
|
|
[Define to 1 if you must link with -lrt for shm_open().])
|
|
fi
|
|
AC_CHECK_HEADERS(sys/mman.h)
|
|
# temporarily override ac_includes_default for AC_CHECK_FUNCS below
|
|
ac_includes_default="\
|
|
${ac_includes_default}
|
|
#ifndef __cplusplus
|
|
# ifdef HAVE_SYS_MMAN_H
|
|
# include <sys/mman.h>
|
|
# endif
|
|
#endif
|
|
"
|
|
AC_CHECK_FUNCS([shm_open shm_unlink])
|
|
# we don't want to link with librt always, restore LIBS
|
|
LIBS="$save_LIBS"
|
|
ac_includes_default="$save_includes_default"
|
|
|
|
# Check for usable OpenSSL
|
|
AX_CHECK_OPENSSL([have_openssl=yes],[have_openssl=no])
|
|
|
|
# rpath to libssl and libcrypto
|
|
AC_MSG_CHECKING(for --with-openssl-rpath)
|
|
AC_ARG_WITH(openssl-rpath,
|
|
AS_HELP_STRING([--with-openssl-rpath=@<:@DIR|auto|no@:>@],
|
|
[Set runtime library directory (rpath) for OpenSSL libraries,
|
|
no (default): don't set rpath,
|
|
auto: auto-detect rpath from --with-openssl and pkg-config,
|
|
DIR: set an explicit rpath
|
|
]),
|
|
[],
|
|
[with_openssl_rpath=no]
|
|
)
|
|
AS_CASE($with_openssl_rpath,
|
|
[auto|yes],[OPENSSL_RPATH=auto],
|
|
[no],[OPENSSL_RPATH=],
|
|
[AS_IF(
|
|
[test -d "$with_openssl_rpath"],
|
|
[OPENSSL_RPATH="$with_openssl_rpath"],
|
|
AC_MSG_ERROR([--with-openssl-rpath "$with_openssl_rpath" is not a directory]))
|
|
]
|
|
)
|
|
AC_MSG_RESULT($OPENSSL_RPATH)
|
|
AC_SUBST([OPENSSL_RPATH])
|
|
|
|
# check if OpenSSL libraries work as expected
|
|
AC_MSG_CHECKING(whether OpenSSL provides required APIs)
|
|
save_LIBS="$LIBS"
|
|
save_CFLAGS="$CFLAGS"
|
|
save_LDFLAGS="$LDFLAGS"
|
|
LIBS="$LIBS $OPENSSL_LIBS"
|
|
CFLAGS="$CFLAGS_NODIST $OPENSSL_INCLUDES"
|
|
LDFLAGS="$LDFLAGS $OPENSSL_LDFLAGS"
|
|
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <openssl/opensslv.h>
|
|
#include <openssl/evp.h>
|
|
#include <openssl/ssl.h>
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x10101000L
|
|
#error "OpenSSL >= 1.1.1 is required"
|
|
#endif
|
|
|
|
static void keylog_cb(const SSL *ssl, const char *line) {}
|
|
]], [[
|
|
/* SSL APIs */
|
|
SSL_CTX *ctx = SSL_CTX_new(TLS_client_method());
|
|
SSL_CTX_set_keylog_callback(ctx, keylog_cb);
|
|
SSL *ssl = SSL_new(ctx);
|
|
X509_VERIFY_PARAM *param = SSL_get0_param(ssl);
|
|
X509_VERIFY_PARAM_set1_host(param, "python.org", 0);
|
|
SSL_free(ssl);
|
|
SSL_CTX_free(ctx);
|
|
|
|
/* hashlib APIs */
|
|
OBJ_nid2sn(NID_md5);
|
|
OBJ_nid2sn(NID_sha1);
|
|
OBJ_nid2sn(NID_sha3_512);
|
|
OBJ_nid2sn(NID_blake2b512);
|
|
EVP_PBE_scrypt(NULL, 0, NULL, 0, 2, 8, 1, 0, NULL, 0);
|
|
]])],
|
|
[AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)])
|
|
LIBS="$save_LIBS"
|
|
CFLAGS="$save_CFLAGS"
|
|
LDFLAGS="$save_LDFLAGS"
|
|
|
|
# ssl module default cipher suite string
|
|
AH_TEMPLATE(PY_SSL_DEFAULT_CIPHERS,
|
|
[Default cipher suites list for ssl module.
|
|
1: Python's preferred selection, 2: leave OpenSSL defaults untouched, 0: custom string])
|
|
AH_TEMPLATE(PY_SSL_DEFAULT_CIPHER_STRING,
|
|
[Cipher suite string for PY_SSL_DEFAULT_CIPHERS=0]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for --with-ssl-default-suites)
|
|
AC_ARG_WITH(ssl-default-suites,
|
|
AS_HELP_STRING([--with-ssl-default-suites=@<:@python|openssl|STRING@:>@],
|
|
[override default cipher suites string,
|
|
python: use Python's preferred selection (default),
|
|
openssl: leave OpenSSL's defaults untouched,
|
|
STRING: use a custom string,
|
|
python and STRING also set TLS 1.2 as minimum TLS version]),
|
|
[
|
|
AC_MSG_RESULT($withval)
|
|
case "$withval" in
|
|
python)
|
|
AC_DEFINE(PY_SSL_DEFAULT_CIPHERS, 1)
|
|
;;
|
|
openssl)
|
|
AC_DEFINE(PY_SSL_DEFAULT_CIPHERS, 2)
|
|
;;
|
|
*)
|
|
AC_DEFINE(PY_SSL_DEFAULT_CIPHERS, 0)
|
|
AC_DEFINE_UNQUOTED(PY_SSL_DEFAULT_CIPHER_STRING, "$withval")
|
|
;;
|
|
esac
|
|
],
|
|
[
|
|
AC_MSG_RESULT(python)
|
|
AC_DEFINE(PY_SSL_DEFAULT_CIPHERS, 1)
|
|
])
|
|
|
|
# builtin hash modules
|
|
default_hashlib_hashes="md5,sha1,sha256,sha512,sha3,blake2"
|
|
AC_DEFINE([PY_BUILTIN_HASHLIB_HASHES], [], [enabled builtin hash modules]
|
|
)
|
|
AC_MSG_CHECKING(for --with-builtin-hashlib-hashes)
|
|
AC_ARG_WITH(builtin-hashlib-hashes,
|
|
AS_HELP_STRING([--with-builtin-hashlib-hashes=md5,sha1,sha256,sha512,sha3,blake2],
|
|
[builtin hash modules,
|
|
md5, sha1, sha256, sha512, sha3 (with shake), blake2]),
|
|
[
|
|
case "$withval" in
|
|
yes)
|
|
withval=$default_hashlib_hashes
|
|
;;
|
|
no)
|
|
withval=""
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT($withval)
|
|
AC_DEFINE_UNQUOTED(PY_BUILTIN_HASHLIB_HASHES, "$withval")
|
|
],
|
|
[
|
|
AC_MSG_RESULT($default_hashlib_hashes);
|
|
AC_DEFINE_UNQUOTED(PY_BUILTIN_HASHLIB_HASHES, "$default_hashlib_hashes")
|
|
])
|
|
|
|
# --with-experimental-isolated-subinterpreters
|
|
AH_TEMPLATE(EXPERIMENTAL_ISOLATED_SUBINTERPRETERS,
|
|
[Better isolate subinterpreters, experimental build mode.])
|
|
AC_MSG_CHECKING(for --with-experimental-isolated-subinterpreters)
|
|
AC_ARG_WITH(experimental-isolated-subinterpreters,
|
|
AS_HELP_STRING([--with-experimental-isolated-subinterpreters],
|
|
[better isolate subinterpreters, experimental build mode (default is no)]),
|
|
[
|
|
if test "$withval" != no
|
|
then
|
|
AC_MSG_RESULT(yes);
|
|
AC_DEFINE(EXPERIMENTAL_ISOLATED_SUBINTERPRETERS)
|
|
else
|
|
AC_MSG_RESULT(no);
|
|
fi],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
# --with-static-libpython
|
|
STATIC_LIBPYTHON=1
|
|
AC_MSG_CHECKING(for --with-static-libpython)
|
|
AC_ARG_WITH(static-libpython,
|
|
AS_HELP_STRING([--without-static-libpython],
|
|
[do not build libpythonMAJOR.MINOR.a and do not install python.o (default is yes)]),
|
|
[
|
|
if test "$withval" = no
|
|
then
|
|
AC_MSG_RESULT(no);
|
|
STATIC_LIBPYTHON=0
|
|
else
|
|
AC_MSG_RESULT(yes);
|
|
fi],
|
|
[AC_MSG_RESULT(yes)])
|
|
LIBRARY_DEPS='$(PY3LIBRARY) $(EXPORTSYMS)'
|
|
if test "$PY_ENABLE_SHARED" = 1 || test "$enable_framework" ; then
|
|
LIBRARY_DEPS="\$(LDLIBRARY) $LIBRARY_DEPS"
|
|
if test "$STATIC_LIBPYTHON" = 1; then
|
|
LIBRARY_DEPS="\$(LIBRARY) $LIBRARY_DEPS"
|
|
fi
|
|
else
|
|
LIBRARY_DEPS="\$(LIBRARY) $LIBRARY_DEPS"
|
|
fi
|
|
AC_SUBST(STATIC_LIBPYTHON)
|
|
AC_SUBST(LIBRARY_DEPS)
|
|
|
|
# Check whether to disable test modules. Once set, setup.py will not build
|
|
# test extension modules and "make install" will not install test suites.
|
|
AC_MSG_CHECKING(for --disable-test-modules)
|
|
AC_ARG_ENABLE(test-modules,
|
|
AS_HELP_STRING([--disable-test-modules], [don't build nor install test modules]))
|
|
if test "$enable_test_modules" = no; then
|
|
TEST_MODULES=no
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
TEST_MODULES=yes
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
AC_SUBST(TEST_MODULES)
|
|
|
|
|
|
# generate output files
|
|
AC_CONFIG_FILES(Makefile.pre Misc/python.pc Misc/python-embed.pc Misc/python-config.sh)
|
|
AC_CONFIG_FILES([Modules/ld_so_aix], [chmod +x Modules/ld_so_aix])
|
|
AC_OUTPUT
|
|
|
|
echo "creating Modules/Setup.local" >&AS_MESSAGE_FD
|
|
if test ! -f Modules/Setup.local
|
|
then
|
|
echo "# Edit this file for local setup changes" >Modules/Setup.local
|
|
fi
|
|
|
|
echo "creating Makefile" >&AS_MESSAGE_FD
|
|
$SHELL $srcdir/Modules/makesetup -c $srcdir/Modules/config.c.in \
|
|
-s Modules \
|
|
Modules/Setup.local $srcdir/Modules/Setup
|
|
mv config.c Modules
|
|
|
|
if test "$Py_OPT" = 'false' -a "$Py_DEBUG" != 'true'; then
|
|
echo "" >&AS_MESSAGE_FD
|
|
echo "" >&AS_MESSAGE_FD
|
|
echo "If you want a release build with all stable optimizations active (PGO, etc)," >&AS_MESSAGE_FD
|
|
echo "please run ./configure --enable-optimizations" >&AS_MESSAGE_FD
|
|
echo "" >&AS_MESSAGE_FD
|
|
echo "" >&AS_MESSAGE_FD
|
|
fi
|