You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
551 lines
20 KiB
551 lines
20 KiB
import re
|
|
import os
|
|
import sys
|
|
import warnings
|
|
import platform
|
|
import tempfile
|
|
import hashlib
|
|
import base64
|
|
import subprocess
|
|
from subprocess import Popen, PIPE, STDOUT
|
|
from numpy.distutils.exec_command import filepath_from_subprocess_output
|
|
from numpy.distutils.fcompiler import FCompiler
|
|
from distutils.version import LooseVersion
|
|
|
|
compilers = ['GnuFCompiler', 'Gnu95FCompiler']
|
|
|
|
TARGET_R = re.compile(r"Target: ([a-zA-Z0-9_\-]*)")
|
|
|
|
# XXX: handle cross compilation
|
|
|
|
|
|
def is_win64():
|
|
return sys.platform == "win32" and platform.architecture()[0] == "64bit"
|
|
|
|
|
|
class GnuFCompiler(FCompiler):
|
|
compiler_type = 'gnu'
|
|
compiler_aliases = ('g77', )
|
|
description = 'GNU Fortran 77 compiler'
|
|
|
|
def gnu_version_match(self, version_string):
|
|
"""Handle the different versions of GNU fortran compilers"""
|
|
# Strip warning(s) that may be emitted by gfortran
|
|
while version_string.startswith('gfortran: warning'):
|
|
version_string =\
|
|
version_string[version_string.find('\n') + 1:].strip()
|
|
|
|
# Gfortran versions from after 2010 will output a simple string
|
|
# (usually "x.y", "x.y.z" or "x.y.z-q") for ``-dumpversion``; older
|
|
# gfortrans may still return long version strings (``-dumpversion`` was
|
|
# an alias for ``--version``)
|
|
if len(version_string) <= 20:
|
|
# Try to find a valid version string
|
|
m = re.search(r'([0-9.]+)', version_string)
|
|
if m:
|
|
# g77 provides a longer version string that starts with GNU
|
|
# Fortran
|
|
if version_string.startswith('GNU Fortran'):
|
|
return ('g77', m.group(1))
|
|
|
|
# gfortran only outputs a version string such as #.#.#, so check
|
|
# if the match is at the start of the string
|
|
elif m.start() == 0:
|
|
return ('gfortran', m.group(1))
|
|
else:
|
|
# Output probably from --version, try harder:
|
|
m = re.search(r'GNU Fortran\s+95.*?([0-9-.]+)', version_string)
|
|
if m:
|
|
return ('gfortran', m.group(1))
|
|
m = re.search(
|
|
r'GNU Fortran.*?\-?([0-9-.]+\.[0-9-.]+)', version_string)
|
|
if m:
|
|
v = m.group(1)
|
|
if v.startswith('0') or v.startswith('2') or v.startswith('3'):
|
|
# the '0' is for early g77's
|
|
return ('g77', v)
|
|
else:
|
|
# at some point in the 4.x series, the ' 95' was dropped
|
|
# from the version string
|
|
return ('gfortran', v)
|
|
|
|
# If still nothing, raise an error to make the problem easy to find.
|
|
err = 'A valid Fortran version was not found in this string:\n'
|
|
raise ValueError(err + version_string)
|
|
|
|
def version_match(self, version_string):
|
|
v = self.gnu_version_match(version_string)
|
|
if not v or v[0] != 'g77':
|
|
return None
|
|
return v[1]
|
|
|
|
possible_executables = ['g77', 'f77']
|
|
executables = {
|
|
'version_cmd' : [None, "-dumpversion"],
|
|
'compiler_f77' : [None, "-g", "-Wall", "-fno-second-underscore"],
|
|
'compiler_f90' : None, # Use --fcompiler=gnu95 for f90 codes
|
|
'compiler_fix' : None,
|
|
'linker_so' : [None, "-g", "-Wall"],
|
|
'archiver' : ["ar", "-cr"],
|
|
'ranlib' : ["ranlib"],
|
|
'linker_exe' : [None, "-g", "-Wall"]
|
|
}
|
|
module_dir_switch = None
|
|
module_include_switch = None
|
|
|
|
# Cygwin: f771: warning: -fPIC ignored for target (all code is
|
|
# position independent)
|
|
if os.name != 'nt' and sys.platform != 'cygwin':
|
|
pic_flags = ['-fPIC']
|
|
|
|
# use -mno-cygwin for g77 when Python is not Cygwin-Python
|
|
if sys.platform == 'win32':
|
|
for key in ['version_cmd', 'compiler_f77', 'linker_so', 'linker_exe']:
|
|
executables[key].append('-mno-cygwin')
|
|
|
|
g2c = 'g2c'
|
|
suggested_f90_compiler = 'gnu95'
|
|
|
|
def get_flags_linker_so(self):
|
|
opt = self.linker_so[1:]
|
|
if sys.platform == 'darwin':
|
|
target = os.environ.get('MACOSX_DEPLOYMENT_TARGET', None)
|
|
# If MACOSX_DEPLOYMENT_TARGET is set, we simply trust the value
|
|
# and leave it alone. But, distutils will complain if the
|
|
# environment's value is different from the one in the Python
|
|
# Makefile used to build Python. We let disutils handle this
|
|
# error checking.
|
|
if not target:
|
|
# If MACOSX_DEPLOYMENT_TARGET is not set in the environment,
|
|
# we try to get it first from sysconfig and then
|
|
# fall back to setting it to 10.9 This is a reasonable default
|
|
# even when using the official Python dist and those derived
|
|
# from it.
|
|
import sysconfig
|
|
target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
|
|
if not target:
|
|
target = '10.9'
|
|
s = f'Env. variable MACOSX_DEPLOYMENT_TARGET set to {target}'
|
|
warnings.warn(s, stacklevel=2)
|
|
os.environ['MACOSX_DEPLOYMENT_TARGET'] = str(target)
|
|
opt.extend(['-undefined', 'dynamic_lookup', '-bundle'])
|
|
else:
|
|
opt.append("-shared")
|
|
if sys.platform.startswith('sunos'):
|
|
# SunOS often has dynamically loaded symbols defined in the
|
|
# static library libg2c.a The linker doesn't like this. To
|
|
# ignore the problem, use the -mimpure-text flag. It isn't
|
|
# the safest thing, but seems to work. 'man gcc' says:
|
|
# ".. Instead of using -mimpure-text, you should compile all
|
|
# source code with -fpic or -fPIC."
|
|
opt.append('-mimpure-text')
|
|
return opt
|
|
|
|
def get_libgcc_dir(self):
|
|
try:
|
|
output = subprocess.check_output(self.compiler_f77 +
|
|
['-print-libgcc-file-name'])
|
|
except (OSError, subprocess.CalledProcessError):
|
|
pass
|
|
else:
|
|
output = filepath_from_subprocess_output(output)
|
|
return os.path.dirname(output)
|
|
return None
|
|
|
|
def get_libgfortran_dir(self):
|
|
if sys.platform[:5] == 'linux':
|
|
libgfortran_name = 'libgfortran.so'
|
|
elif sys.platform == 'darwin':
|
|
libgfortran_name = 'libgfortran.dylib'
|
|
else:
|
|
libgfortran_name = None
|
|
|
|
libgfortran_dir = None
|
|
if libgfortran_name:
|
|
find_lib_arg = ['-print-file-name={0}'.format(libgfortran_name)]
|
|
try:
|
|
output = subprocess.check_output(
|
|
self.compiler_f77 + find_lib_arg)
|
|
except (OSError, subprocess.CalledProcessError):
|
|
pass
|
|
else:
|
|
output = filepath_from_subprocess_output(output)
|
|
libgfortran_dir = os.path.dirname(output)
|
|
return libgfortran_dir
|
|
|
|
def get_library_dirs(self):
|
|
opt = []
|
|
if sys.platform[:5] != 'linux':
|
|
d = self.get_libgcc_dir()
|
|
if d:
|
|
# if windows and not cygwin, libg2c lies in a different folder
|
|
if sys.platform == 'win32' and not d.startswith('/usr/lib'):
|
|
d = os.path.normpath(d)
|
|
path = os.path.join(d, "lib%s.a" % self.g2c)
|
|
if not os.path.exists(path):
|
|
root = os.path.join(d, *((os.pardir, ) * 4))
|
|
d2 = os.path.abspath(os.path.join(root, 'lib'))
|
|
path = os.path.join(d2, "lib%s.a" % self.g2c)
|
|
if os.path.exists(path):
|
|
opt.append(d2)
|
|
opt.append(d)
|
|
# For Macports / Linux, libgfortran and libgcc are not co-located
|
|
lib_gfortran_dir = self.get_libgfortran_dir()
|
|
if lib_gfortran_dir:
|
|
opt.append(lib_gfortran_dir)
|
|
return opt
|
|
|
|
def get_libraries(self):
|
|
opt = []
|
|
d = self.get_libgcc_dir()
|
|
if d is not None:
|
|
g2c = self.g2c + '-pic'
|
|
f = self.static_lib_format % (g2c, self.static_lib_extension)
|
|
if not os.path.isfile(os.path.join(d, f)):
|
|
g2c = self.g2c
|
|
else:
|
|
g2c = self.g2c
|
|
|
|
if g2c is not None:
|
|
opt.append(g2c)
|
|
c_compiler = self.c_compiler
|
|
if sys.platform == 'win32' and c_compiler and \
|
|
c_compiler.compiler_type == 'msvc':
|
|
opt.append('gcc')
|
|
if sys.platform == 'darwin':
|
|
opt.append('cc_dynamic')
|
|
return opt
|
|
|
|
def get_flags_debug(self):
|
|
return ['-g']
|
|
|
|
def get_flags_opt(self):
|
|
v = self.get_version()
|
|
if v and v <= '3.3.3':
|
|
# With this compiler version building Fortran BLAS/LAPACK
|
|
# with -O3 caused failures in lib.lapack heevr,syevr tests.
|
|
opt = ['-O2']
|
|
else:
|
|
opt = ['-O3']
|
|
opt.append('-funroll-loops')
|
|
return opt
|
|
|
|
def _c_arch_flags(self):
|
|
""" Return detected arch flags from CFLAGS """
|
|
import sysconfig
|
|
try:
|
|
cflags = sysconfig.get_config_vars()['CFLAGS']
|
|
except KeyError:
|
|
return []
|
|
arch_re = re.compile(r"-arch\s+(\w+)")
|
|
arch_flags = []
|
|
for arch in arch_re.findall(cflags):
|
|
arch_flags += ['-arch', arch]
|
|
return arch_flags
|
|
|
|
def get_flags_arch(self):
|
|
return []
|
|
|
|
def runtime_library_dir_option(self, dir):
|
|
if sys.platform == 'win32':
|
|
# Linux/Solaris/Unix support RPATH, Windows does not
|
|
raise NotImplementedError
|
|
|
|
# TODO: could use -Xlinker here, if it's supported
|
|
assert "," not in dir
|
|
|
|
if sys.platform == 'darwin':
|
|
return f'-Wl,-rpath,{dir}'
|
|
elif sys.platform[:3] == 'aix':
|
|
# AIX RPATH is called LIBPATH
|
|
return f'-Wl,-blibpath:{dir}'
|
|
else:
|
|
return f'-Wl,-rpath={dir}'
|
|
|
|
|
|
class Gnu95FCompiler(GnuFCompiler):
|
|
compiler_type = 'gnu95'
|
|
compiler_aliases = ('gfortran', )
|
|
description = 'GNU Fortran 95 compiler'
|
|
|
|
def version_match(self, version_string):
|
|
v = self.gnu_version_match(version_string)
|
|
if not v or v[0] != 'gfortran':
|
|
return None
|
|
v = v[1]
|
|
if LooseVersion(v) >= "4":
|
|
# gcc-4 series releases do not support -mno-cygwin option
|
|
pass
|
|
else:
|
|
# use -mno-cygwin flag for gfortran when Python is not
|
|
# Cygwin-Python
|
|
if sys.platform == 'win32':
|
|
for key in [
|
|
'version_cmd', 'compiler_f77', 'compiler_f90',
|
|
'compiler_fix', 'linker_so', 'linker_exe'
|
|
]:
|
|
self.executables[key].append('-mno-cygwin')
|
|
return v
|
|
|
|
possible_executables = ['gfortran', 'f95']
|
|
executables = {
|
|
'version_cmd' : ["<F90>", "-dumpversion"],
|
|
'compiler_f77' : [None, "-Wall", "-g", "-ffixed-form",
|
|
"-fno-second-underscore"],
|
|
'compiler_f90' : [None, "-Wall", "-g",
|
|
"-fno-second-underscore"],
|
|
'compiler_fix' : [None, "-Wall", "-g","-ffixed-form",
|
|
"-fno-second-underscore"],
|
|
'linker_so' : ["<F90>", "-Wall", "-g"],
|
|
'archiver' : ["ar", "-cr"],
|
|
'ranlib' : ["ranlib"],
|
|
'linker_exe' : [None, "-Wall"]
|
|
}
|
|
|
|
module_dir_switch = '-J'
|
|
module_include_switch = '-I'
|
|
|
|
if sys.platform[:3] == 'aix':
|
|
executables['linker_so'].append('-lpthread')
|
|
if platform.architecture()[0][:2] == '64':
|
|
for key in ['compiler_f77', 'compiler_f90','compiler_fix','linker_so', 'linker_exe']:
|
|
executables[key].append('-maix64')
|
|
|
|
g2c = 'gfortran'
|
|
|
|
def _universal_flags(self, cmd):
|
|
"""Return a list of -arch flags for every supported architecture."""
|
|
if not sys.platform == 'darwin':
|
|
return []
|
|
arch_flags = []
|
|
# get arches the C compiler gets.
|
|
c_archs = self._c_arch_flags()
|
|
if "i386" in c_archs:
|
|
c_archs[c_archs.index("i386")] = "i686"
|
|
# check the arches the Fortran compiler supports, and compare with
|
|
# arch flags from C compiler
|
|
for arch in ["ppc", "i686", "x86_64", "ppc64"]:
|
|
if _can_target(cmd, arch) and arch in c_archs:
|
|
arch_flags.extend(["-arch", arch])
|
|
return arch_flags
|
|
|
|
def get_flags(self):
|
|
flags = GnuFCompiler.get_flags(self)
|
|
arch_flags = self._universal_flags(self.compiler_f90)
|
|
if arch_flags:
|
|
flags[:0] = arch_flags
|
|
return flags
|
|
|
|
def get_flags_linker_so(self):
|
|
flags = GnuFCompiler.get_flags_linker_so(self)
|
|
arch_flags = self._universal_flags(self.linker_so)
|
|
if arch_flags:
|
|
flags[:0] = arch_flags
|
|
return flags
|
|
|
|
def get_library_dirs(self):
|
|
opt = GnuFCompiler.get_library_dirs(self)
|
|
if sys.platform == 'win32':
|
|
c_compiler = self.c_compiler
|
|
if c_compiler and c_compiler.compiler_type == "msvc":
|
|
target = self.get_target()
|
|
if target:
|
|
d = os.path.normpath(self.get_libgcc_dir())
|
|
root = os.path.join(d, *((os.pardir, ) * 4))
|
|
path = os.path.join(root, "lib")
|
|
mingwdir = os.path.normpath(path)
|
|
if os.path.exists(os.path.join(mingwdir, "libmingwex.a")):
|
|
opt.append(mingwdir)
|
|
# For Macports / Linux, libgfortran and libgcc are not co-located
|
|
lib_gfortran_dir = self.get_libgfortran_dir()
|
|
if lib_gfortran_dir:
|
|
opt.append(lib_gfortran_dir)
|
|
return opt
|
|
|
|
def get_libraries(self):
|
|
opt = GnuFCompiler.get_libraries(self)
|
|
if sys.platform == 'darwin':
|
|
opt.remove('cc_dynamic')
|
|
if sys.platform == 'win32':
|
|
c_compiler = self.c_compiler
|
|
if c_compiler and c_compiler.compiler_type == "msvc":
|
|
if "gcc" in opt:
|
|
i = opt.index("gcc")
|
|
opt.insert(i + 1, "mingwex")
|
|
opt.insert(i + 1, "mingw32")
|
|
c_compiler = self.c_compiler
|
|
if c_compiler and c_compiler.compiler_type == "msvc":
|
|
return []
|
|
else:
|
|
pass
|
|
return opt
|
|
|
|
def get_target(self):
|
|
try:
|
|
output = subprocess.check_output(self.compiler_f77 + ['-v'])
|
|
except (OSError, subprocess.CalledProcessError):
|
|
pass
|
|
else:
|
|
output = filepath_from_subprocess_output(output)
|
|
m = TARGET_R.search(output)
|
|
if m:
|
|
return m.group(1)
|
|
return ""
|
|
|
|
def _hash_files(self, filenames):
|
|
h = hashlib.sha1()
|
|
for fn in filenames:
|
|
with open(fn, 'rb') as f:
|
|
while True:
|
|
block = f.read(131072)
|
|
if not block:
|
|
break
|
|
h.update(block)
|
|
text = base64.b32encode(h.digest())
|
|
text = text.decode('ascii')
|
|
return text.rstrip('=')
|
|
|
|
def _link_wrapper_lib(self, objects, output_dir, extra_dll_dir,
|
|
chained_dlls, is_archive):
|
|
"""Create a wrapper shared library for the given objects
|
|
|
|
Return an MSVC-compatible lib
|
|
"""
|
|
|
|
c_compiler = self.c_compiler
|
|
if c_compiler.compiler_type != "msvc":
|
|
raise ValueError("This method only supports MSVC")
|
|
|
|
object_hash = self._hash_files(list(objects) + list(chained_dlls))
|
|
|
|
if is_win64():
|
|
tag = 'win_amd64'
|
|
else:
|
|
tag = 'win32'
|
|
|
|
basename = 'lib' + os.path.splitext(
|
|
os.path.basename(objects[0]))[0][:8]
|
|
root_name = basename + '.' + object_hash + '.gfortran-' + tag
|
|
dll_name = root_name + '.dll'
|
|
def_name = root_name + '.def'
|
|
lib_name = root_name + '.lib'
|
|
dll_path = os.path.join(extra_dll_dir, dll_name)
|
|
def_path = os.path.join(output_dir, def_name)
|
|
lib_path = os.path.join(output_dir, lib_name)
|
|
|
|
if os.path.isfile(lib_path):
|
|
# Nothing to do
|
|
return lib_path, dll_path
|
|
|
|
if is_archive:
|
|
objects = (["-Wl,--whole-archive"] + list(objects) +
|
|
["-Wl,--no-whole-archive"])
|
|
self.link_shared_object(
|
|
objects,
|
|
dll_name,
|
|
output_dir=extra_dll_dir,
|
|
extra_postargs=list(chained_dlls) + [
|
|
'-Wl,--allow-multiple-definition',
|
|
'-Wl,--output-def,' + def_path,
|
|
'-Wl,--export-all-symbols',
|
|
'-Wl,--enable-auto-import',
|
|
'-static',
|
|
'-mlong-double-64',
|
|
])
|
|
|
|
# No PowerPC!
|
|
if is_win64():
|
|
specifier = '/MACHINE:X64'
|
|
else:
|
|
specifier = '/MACHINE:X86'
|
|
|
|
# MSVC specific code
|
|
lib_args = ['/def:' + def_path, '/OUT:' + lib_path, specifier]
|
|
if not c_compiler.initialized:
|
|
c_compiler.initialize()
|
|
c_compiler.spawn([c_compiler.lib] + lib_args)
|
|
|
|
return lib_path, dll_path
|
|
|
|
def can_ccompiler_link(self, compiler):
|
|
# MSVC cannot link objects compiled by GNU fortran
|
|
return compiler.compiler_type not in ("msvc", )
|
|
|
|
def wrap_unlinkable_objects(self, objects, output_dir, extra_dll_dir):
|
|
"""
|
|
Convert a set of object files that are not compatible with the default
|
|
linker, to a file that is compatible.
|
|
"""
|
|
if self.c_compiler.compiler_type == "msvc":
|
|
# Compile a DLL and return the lib for the DLL as
|
|
# the object. Also keep track of previous DLLs that
|
|
# we have compiled so that we can link against them.
|
|
|
|
# If there are .a archives, assume they are self-contained
|
|
# static libraries, and build separate DLLs for each
|
|
archives = []
|
|
plain_objects = []
|
|
for obj in objects:
|
|
if obj.lower().endswith('.a'):
|
|
archives.append(obj)
|
|
else:
|
|
plain_objects.append(obj)
|
|
|
|
chained_libs = []
|
|
chained_dlls = []
|
|
for archive in archives[::-1]:
|
|
lib, dll = self._link_wrapper_lib(
|
|
[archive],
|
|
output_dir,
|
|
extra_dll_dir,
|
|
chained_dlls=chained_dlls,
|
|
is_archive=True)
|
|
chained_libs.insert(0, lib)
|
|
chained_dlls.insert(0, dll)
|
|
|
|
if not plain_objects:
|
|
return chained_libs
|
|
|
|
lib, dll = self._link_wrapper_lib(
|
|
plain_objects,
|
|
output_dir,
|
|
extra_dll_dir,
|
|
chained_dlls=chained_dlls,
|
|
is_archive=False)
|
|
return [lib] + chained_libs
|
|
else:
|
|
raise ValueError("Unsupported C compiler")
|
|
|
|
|
|
def _can_target(cmd, arch):
|
|
"""Return true if the architecture supports the -arch flag"""
|
|
newcmd = cmd[:]
|
|
fid, filename = tempfile.mkstemp(suffix=".f")
|
|
os.close(fid)
|
|
try:
|
|
d = os.path.dirname(filename)
|
|
output = os.path.splitext(filename)[0] + ".o"
|
|
try:
|
|
newcmd.extend(["-arch", arch, "-c", filename])
|
|
p = Popen(newcmd, stderr=STDOUT, stdout=PIPE, cwd=d)
|
|
p.communicate()
|
|
return p.returncode == 0
|
|
finally:
|
|
if os.path.exists(output):
|
|
os.remove(output)
|
|
finally:
|
|
os.remove(filename)
|
|
return False
|
|
|
|
|
|
if __name__ == '__main__':
|
|
from distutils import log
|
|
from numpy.distutils import customized_fcompiler
|
|
log.set_verbosity(2)
|
|
|
|
print(customized_fcompiler('gnu').get_version())
|
|
try:
|
|
print(customized_fcompiler('g95').get_version())
|
|
except Exception as e:
|
|
print(e)
|