def _libs_with_msvc_and_fortran(self, fcompiler, c_libraries,
c_library_dirs):
if fcompiler is None:
return
for libname in c_libraries:
if libname.startswith('msvc'):
continue
fileexists = False
for libdir in c_library_dirs or []:
libfile = os.path.join(libdir, '%s.lib' % (libname))
if os.path.isfile(libfile):
fileexists = True
break
if fileexists:
continue
# make g77-compiled static libs available to MSVC
fileexists = False
for libdir in c_library_dirs:
libfile = os.path.join(libdir, 'lib%s.a' % (libname))
if os.path.isfile(libfile):
# copy libname.a file to name.lib so that MSVC linker
# can find it
libfile2 = os.path.join(self.build_temp, libname + '.lib')
copy_file(libfile, libfile2)
if self.build_temp not in c_library_dirs:
c_library_dirs.append(self.build_temp)
fileexists = True
break
if fileexists:
continue
log.warn('could not find library %r in directories %s'
% (libname, c_library_dirs))
# Always use system linker when using MSVC compiler.
f_lib_dirs = []
for dir in fcompiler.library_dirs:
# correct path when compiling in Cygwin but with normal Win
# Python
if dir.startswith('/usr/lib'):
try:
dir = subprocess.check_output(['cygpath', '-w', dir])
except (OSError, subprocess.CalledProcessError):
pass
else:
dir = filepath_from_subprocess_output(dir)
f_lib_dirs.append(dir)
c_library_dirs.extend(f_lib_dirs)
# make g77-compiled static libs available to MSVC
for lib in fcompiler.libraries:
if not lib.startswith('msvc'):
c_libraries.append(lib)
p = combine_paths(f_lib_dirs, 'lib' + lib + '.a')
if p:
dst_name = os.path.join(self.build_temp, lib + '.lib')
if not os.path.isfile(dst_name):
copy_file(p[0], dst_name)
if self.build_temp not in c_library_dirs:
c_library_dirs.append(self.build_temp)
def get_output(self, body, headers=None, include_dirs=None,
libraries=None, library_dirs=None,
lang="c", use_tee=None):
"""Try to compile, link to an executable, and run a program
built from 'body' and 'headers'. Returns the exit status code
of the program and its output.
"""
# 2008-11-16, RemoveMe
warnings.warn("\n+++++++++++++++++++++++++++++++++++++++++++++++++\n" \
"Usage of get_output is deprecated: please do not \n" \
"use it anymore, and avoid configuration checks \n" \
"involving running executable on the target machine.\n" \
"+++++++++++++++++++++++++++++++++++++++++++++++++\n",
DeprecationWarning, stacklevel=2)
self._check_compiler()
exitcode, output = 255, ''
try:
grabber = GrabStdout()
try:
src, obj, exe = self._link(body, headers, include_dirs,
libraries, library_dirs, lang)
grabber.restore()
except Exception:
output = grabber.data
grabber.restore()
raise
exe = os.path.join('.', exe)
try:
# specify cwd arg for consistency with
# historic usage pattern of exec_command()
# also, note that exe appears to be a string,
# which exec_command() handled, but we now
# use a list for check_output() -- this assumes
# that exe is always a single command
output = subprocess.check_output([exe], cwd='.')
except subprocess.CalledProcessError as exc:
exitstatus = exc.returncode
output = ''
except OSError:
# preserve the EnvironmentError exit status
# used historically in exec_command()
exitstatus = 127
output = ''
else:
output = filepath_from_subprocess_output(output)
if hasattr(os, 'WEXITSTATUS'):
exitcode = os.WEXITSTATUS(exitstatus)
if os.WIFSIGNALED(exitstatus):
sig = os.WTERMSIG(exitstatus)
log.error('subprocess exited with signal %d' % (sig,))
if sig == signal.SIGINT:
# control-C
raise KeyboardInterrupt
else:
exitcode = exitstatus
log.info("success!")
except (CompileError, LinkError):
log.info("failure.")
self._clean()
return exitcode, output
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_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 _link (self, body,
headers, include_dirs,
libraries, library_dirs, lang):
if self.compiler.compiler_type=='msvc':
libraries = (libraries or [])[:]
library_dirs = (library_dirs or [])[:]
if lang in ['f77', 'f90']:
lang = 'c' # always use system linker when using MSVC compiler
if self.fcompiler:
for d in self.fcompiler.library_dirs or []:
# correct path when compiling in Cygwin but with
# normal Win Python
if d.startswith('/usr/lib'):
try:
d = subprocess.check_output(['cygpath',
'-w', d])
except (OSError, subprocess.CalledProcessError):
pass
else:
d = filepath_from_subprocess_output(d)
library_dirs.append(d)
for libname in self.fcompiler.libraries or []:
if libname not in libraries:
libraries.append(libname)
for libname in libraries:
if libname.startswith('msvc'): continue
fileexists = False
for libdir in library_dirs or []:
libfile = os.path.join(libdir, '%s.lib' % (libname))
if os.path.isfile(libfile):
fileexists = True
break
if fileexists: continue
# make g77-compiled static libs available to MSVC
fileexists = False
for libdir in library_dirs:
libfile = os.path.join(libdir, 'lib%s.a' % (libname))
if os.path.isfile(libfile):
# copy libname.a file to name.lib so that MSVC linker
# can find it
libfile2 = os.path.join(libdir, '%s.lib' % (libname))
copy_file(libfile, libfile2)
self.temp_files.append(libfile2)
fileexists = True
break
if fileexists: continue
log.warn('could not find library %r in directories %s' \
% (libname, library_dirs))
elif self.compiler.compiler_type == 'mingw32':
generate_manifest(self)
return self._wrap_method(old_config._link, lang,
(body, headers, include_dirs,
libraries, library_dirs, lang))
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_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 CCompiler_get_version(self, force=False, ok_status=[0]):
"""
Return compiler version, or None if compiler is not available.
Parameters
----------
force : bool, optional
If True, force a new determination of the version, even if the
compiler already has a version attribute. Default is False.
ok_status : list of int, optional
The list of status values returned by the version look-up process
for which a version string is returned. If the status value is not
in `ok_status`, None is returned. Default is ``[0]``.
Returns
-------
version : str or None
Version string, in the format of `distutils.version.LooseVersion`.
"""
if not force and hasattr(self, 'version'):
return self.version
self.find_executables()
try:
version_cmd = self.version_cmd
except AttributeError:
return None
if not version_cmd or not version_cmd[0]:
return None
try:
matcher = self.version_match
except AttributeError:
try:
pat = self.version_pattern
except AttributeError:
return None
def matcher(version_string):
m = re.match(pat, version_string)
if not m:
return None
version = m.group('version')
return version
try:
output = subprocess.check_output(version_cmd, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as exc:
output = exc.output
status = exc.returncode
except OSError:
# match the historical returns for a parent
# exception class caught by exec_command()
status = 127
output = b''
else:
# output isn't actually a filepath but we do this
# for now to match previous distutils behavior
output = filepath_from_subprocess_output(output)
status = 0
version = None
if status in ok_status:
version = matcher(output)
if version:
version = LooseVersion(version)
self.version = version
return version
def get_output(
self,
body,
headers=None,
include_dirs=None,
libraries=None,
library_dirs=None,
lang="c",
use_tee=None,
):
"""Try to compile, link to an executable, and run a program
built from 'body' and 'headers'. Returns the exit status code
of the program and its output.
"""
# 2008-11-16, RemoveMe
warnings.warn(
"\n+++++++++++++++++++++++++++++++++++++++++++++++++\n"
"Usage of get_output is deprecated: please do not \n"
"use it anymore, and avoid configuration checks \n"
"involving running executable on the target machine.\n"
"+++++++++++++++++++++++++++++++++++++++++++++++++\n",
DeprecationWarning,
stacklevel=2,
)
self._check_compiler()
exitcode, output = 255, ""
try:
grabber = GrabStdout()
try:
src, obj, exe = self._link(
body, headers, include_dirs, libraries, library_dirs, lang
)
grabber.restore()
except Exception:
output = grabber.data
grabber.restore()
raise
exe = os.path.join(".", exe)
try:
# specify cwd arg for consistency with
# historic usage pattern of exec_command()
# also, note that exe appears to be a string,
# which exec_command() handled, but we now
# use a list for check_output() -- this assumes
# that exe is always a single command
output = subprocess.check_output([exe], cwd=".")
except subprocess.CalledProcessError as exc:
exitstatus = exc.returncode
output = ""
except OSError:
# preserve the EnvironmentError exit status
# used historically in exec_command()
exitstatus = 127
output = ""
else:
output = filepath_from_subprocess_output(output)
if hasattr(os, "WEXITSTATUS"):
exitcode = os.WEXITSTATUS(exitstatus)
if os.WIFSIGNALED(exitstatus):
sig = os.WTERMSIG(exitstatus)
log.error("subprocess exited with signal %d" % (sig,))
if sig == signal.SIGINT:
# control-C
raise KeyboardInterrupt
else:
exitcode = exitstatus
log.info("success!")
except (CompileError, LinkError):
log.info("failure.")
self._clean()
return exitcode, output
def CCompiler_get_version(self, force=False, ok_status=[0]):
"""
Return compiler version, or None if compiler is not available.
Parameters
----------
force : bool, optional
If True, force a new determination of the version, even if the
compiler already has a version attribute. Default is False.
ok_status : list of int, optional
The list of status values returned by the version look-up process
for which a version string is returned. If the status value is not
in `ok_status`, None is returned. Default is ``[0]``.
Returns
-------
version : str or None
Version string, in the format of `distutils.version.LooseVersion`.
"""
if not force and hasattr(self, 'version'):
return self.version
self.find_executables()
try:
version_cmd = self.version_cmd
except AttributeError:
return None
if not version_cmd or not version_cmd[0]:
return None
try:
matcher = self.version_match
except AttributeError:
try:
pat = self.version_pattern
except AttributeError:
return None
def matcher(version_string):
m = re.match(pat, version_string)
if not m:
return None
version = m.group('version')
return version
try:
output = subprocess.check_output(version_cmd)
except subprocess.CalledProcessError as exc:
output = exc.output
status = exc.returncode
except OSError:
# match the historical returns for a parent
# exception class caught by exec_command()
status = 127
output = b''
else:
# output isn't actually a filepath but we do this
# for now to match previous distutils behavior
output = filepath_from_subprocess_output(output)
status = 0
version = None
if status in ok_status:
version = matcher(output)
if version:
version = LooseVersion(version)
self.version = version
return version
