def sage_create_extension(template, kwds):
"""
Create a distutils Extension given data from Cython
This adjust the ``kwds`` in the following ways:
- Make everything depend on *this* setup.py file
- Add dependencies on header files for certain libraries
- Ensure that C++ extensions link with -lstdc++
- Sort the libraries according to the library order
- Add some default compile/link args and directories
- Drop -std=c99 and similar from C++ extensions
- Ensure that each flag, library, ... is listed at most once
"""
lang = kwds.get('language', 'c')
# Libraries: add stdc++ if needed and sort them
libs = kwds.get('libraries', [])
if lang == 'c++':
libs = libs + ['stdc++']
kwds['libraries'] = sorted(set(libs),
key=lambda lib: library_order.get(lib, 0))
# Dependencies: add setup.py and lib_headers
depends = kwds.get('depends', []) + [__file__]
for lib, headers in lib_headers.items():
if lib in libs:
depends += headers
kwds['depends'] = depends # These are sorted and uniq'ed by Cython
# Process extra_compile_args
cflags = []
for flag in kwds.get('extra_compile_args', []):
if lang == "c++":
if flag.startswith("-std=") and "++" not in flag:
continue # Skip -std=c99 and similar for C++
cflags.append(flag)
cflags = extra_compile_args + cflags
kwds['extra_compile_args'] = stable_uniq(cflags)
# Process extra_link_args
ldflags = kwds.get('extra_link_args', []) + extra_link_args
kwds['extra_link_args'] = stable_uniq(ldflags)
# Process library_dirs
lib_dirs = kwds.get('library_dirs', []) + library_dirs
kwds['library_dirs'] = stable_uniq(lib_dirs)
# Process include_dirs
inc_dirs = kwds.get('include_dirs', []) + include_dirs
kwds['include_dirs'] = stable_uniq(inc_dirs)
return default_create_extension(template, kwds)
def sage_create_extension(template, kwds):
"""
Create a distutils Extension given data from Cython
This adjust the ``kwds`` in the following ways:
- Make everything depend on *this* setup.py file
- Add dependencies on header files for certain libraries
- Ensure that C++ extensions link with -lstdc++
- Sort the libraries according to the library order
- Add some default compile/link args and directories
- Drop -std=c99 and similar from C++ extensions
- Ensure that each flag, library, ... is listed at most once
"""
lang = kwds.get('language', 'c')
# Libraries: add stdc++ if needed and sort them
libs = kwds.get('libraries', [])
if lang == 'c++':
libs = libs + ['stdc++']
kwds['libraries'] = sorted(set(libs),
key=lambda lib: library_order.get(lib, 0))
# Dependencies: add setup.py and lib_headers
depends = kwds.get('depends', []) + [__file__]
for lib, headers in lib_headers.items():
if lib in libs:
depends += headers
kwds['depends'] = depends # These are sorted and uniq'ed by Cython
# Process extra_compile_args
cflags = []
for flag in kwds.get('extra_compile_args', []):
if lang == "c++":
if flag.startswith("-std=") and "++" not in flag:
continue # Skip -std=c99 and similar for C++
cflags.append(flag)
cflags = extra_compile_args + cflags
kwds['extra_compile_args'] = stable_uniq(cflags)
# Process extra_link_args
ldflags = kwds.get('extra_link_args', []) + extra_link_args
kwds['extra_link_args'] = stable_uniq(ldflags)
# Process library_dirs
lib_dirs = kwds.get('library_dirs', []) + library_dirs
kwds['library_dirs'] = stable_uniq(lib_dirs)
# Process include_dirs
inc_dirs = kwds.get('include_dirs', []) + include_dirs
kwds['include_dirs'] = stable_uniq(inc_dirs)
return default_create_extension(template, kwds)
def prepare_extension(self, ext):
sources = ext.sources
if sources is None or not isinstance(sources, (list, tuple)):
raise DistutilsSetupError(
("in 'ext_modules' option (extension '%s'), " +
"'sources' must be present and must be " +
"a list of source filenames") % ext.name)
sources = list(sources)
fullname = self.get_ext_fullname(ext.name)
if self.inplace:
# ignore build-lib -- put the compiled extension into
# the source tree along with pure Python modules
modpath = string.split(fullname, '.')
package = string.join(modpath[0:-1], '.')
base = modpath[-1]
build_py = self.get_finalized_command('build_py')
package_dir = build_py.get_package_dir(package)
ext_filename = os.path.join(package_dir,
self.get_ext_filename(base))
relative_ext_filename = self.get_ext_filename(base)
else:
ext_filename = os.path.join(self.build_lib,
self.get_ext_filename(fullname))
relative_ext_filename = self.get_ext_filename(fullname)
# while dispatching the calls to gcc in parallel, we sometimes
# hit a race condition where two separate build_ext objects
# try to create a given directory at the same time; whoever
# loses the race then seems to throw an error, saying that
# the directory already exists. so, instead of fighting to
# fix the race condition, we simply make sure the entire
# directory tree exists now, while we're processing the
# extensions in serial.
relative_ext_dir = os.path.split(relative_ext_filename)[0]
prefixes = ['', self.build_lib, self.build_temp]
for prefix in prefixes:
path = os.path.join(prefix, relative_ext_dir)
try:
os.makedirs(path)
except OSError as e:
assert e.errno == errno.EEXIST, 'Cannot create %s.' % path
depends = sources + ext.depends
if not (self.force or newer_group(depends, ext_filename, 'newer')):
log.debug("skipping '%s' extension (up-to-date)", ext.name)
need_to_compile = False
elif getattr(ext, "skip_build", False):
log.debug("skipping '%s' extension (optional)", ext.name)
need_to_compile = False
else:
log.info("building '%s' extension", ext.name)
need_to_compile = True
# If we need to compile, adjust the given extension
if need_to_compile:
libs = ext.libraries
if ext.language == 'c++' and 'stdc++' not in libs:
libs = libs + ['stdc++']
# Sort libraries according to library_order
ext.libraries = sorted(libs, key=lambda x: library_order.get(x, 0))
return need_to_compile, (sources, ext, ext_filename)
def create_extension(self, template, kwds):
"""
Create a distutils Extension given data from Cython.
This adjust the ``kwds`` in the following ways:
- Make everything depend on *this* setup.py file
- Add dependencies on header files for certain libraries
- Ensure that C++ extensions link with -lstdc++
- Sort the libraries according to the library order
- Add some default compile/link args and directories
- Choose C99 standard for C code and C++11 for C++ code
- Drop -std=c99 and similar from C++ extensions
- Ensure that each flag, library, ... is listed at most once
"""
lang = kwds.get('language', 'c')
cplusplus = (lang == "c++")
# Libraries: add stdc++ if needed and sort them
libs = kwds.get('libraries', [])
if cplusplus:
libs = libs + ['stdc++']
kwds['libraries'] = sorted(set(libs),
key=lambda lib: library_order.get(lib, 0))
# Dependencies: add setup.py and lib_headers
depends = kwds.get('depends', []) + [__file__]
for lib, headers in lib_headers.items():
if lib in libs:
depends += headers
kwds['depends'] = depends # These are sorted and uniq'ed by Cython
# Process extra_compile_args
cflags = []
have_std_flag = False
for flag in kwds.get('extra_compile_args', []):
if flag.startswith("-std="):
if cplusplus and "++" not in flag:
continue # Skip -std=c99 and similar for C++
have_std_flag = True
cflags.append(flag)
if not have_std_flag: # See Trac #23919
if sys.platform == 'cygwin':
# Cygwin (particularly newlib, Cygwin's libc) has some bugs
# with strict ANSI C/C++ in some headers; using the GNU
# extensions typically fares better:
# https://trac.sagemath.org/ticket/24192
if cplusplus:
cflags.append("-std=gnu++11")
else:
cflags.append("-std=gnu99")
else:
if cplusplus:
cflags.append("-std=c++11")
else:
cflags.append("-std=c99")
cflags = extra_compile_args + cflags
kwds['extra_compile_args'] = stable_uniq(cflags)
# Process extra_link_args
ldflags = kwds.get('extra_link_args', []) + extra_link_args
kwds['extra_link_args'] = stable_uniq(ldflags)
# Process library_dirs
lib_dirs = kwds.get('library_dirs', []) + library_dirs
kwds['library_dirs'] = stable_uniq(lib_dirs)
# Process include_dirs
inc_dirs = kwds.get('include_dirs',
[]) + include_dirs + [self.build_dir]
kwds['include_dirs'] = stable_uniq(inc_dirs)
return default_create_extension(template, kwds)
def prepare_extension(self, ext):
sources = ext.sources
if sources is None or not isinstance(sources, (list, tuple)):
raise DistutilsSetupError(("in 'ext_modules' option (extension '%s'), " +
"'sources' must be present and must be " +
"a list of source filenames") % ext.name)
sources = list(sources)
fullname = self.get_ext_fullname(ext.name)
if self.inplace:
# ignore build-lib -- put the compiled extension into
# the source tree along with pure Python modules
modpath = string.split(fullname, '.')
package = string.join(modpath[0:-1], '.')
base = modpath[-1]
build_py = self.get_finalized_command('build_py')
package_dir = build_py.get_package_dir(package)
ext_filename = os.path.join(package_dir,
self.get_ext_filename(base))
relative_ext_filename = self.get_ext_filename(base)
else:
ext_filename = os.path.join(self.build_lib,
self.get_ext_filename(fullname))
relative_ext_filename = self.get_ext_filename(fullname)
# while dispatching the calls to gcc in parallel, we sometimes
# hit a race condition where two separate build_ext objects
# try to create a given directory at the same time; whoever
# loses the race then seems to throw an error, saying that
# the directory already exists. so, instead of fighting to
# fix the race condition, we simply make sure the entire
# directory tree exists now, while we're processing the
# extensions in serial.
relative_ext_dir = os.path.split(relative_ext_filename)[0]
prefixes = ['', self.build_lib, self.build_temp]
for prefix in prefixes:
path = os.path.join(prefix, relative_ext_dir)
try:
os.makedirs(path)
except OSError as e:
assert e.errno==errno.EEXIST, 'Cannot create %s.' % path
depends = sources + ext.depends
if not (self.force or newer_group(depends, ext_filename, 'newer')):
log.debug("skipping '%s' extension (up-to-date)", ext.name)
need_to_compile = False
elif getattr(ext, "skip_build", False):
log.debug("skipping '%s' extension (optional)", ext.name)
need_to_compile = False
else:
log.info("building '%s' extension", ext.name)
need_to_compile = True
# If we need to compile, adjust the given extension
if need_to_compile:
libs = ext.libraries
if ext.language == 'c++' and 'stdc++' not in libs:
libs = libs + ['stdc++']
# Sort libraries according to library_order
ext.libraries = sorted(libs, key=lambda x: library_order.get(x, 0))
return need_to_compile, (sources, ext, ext_filename)
def create_extension(self, template, kwds):
"""
Create a distutils Extension given data from Cython.
This adjust the ``kwds`` in the following ways:
- Make everything depend on *this* setup.py file
- Add dependencies on header files for certain libraries
- Ensure that C++ extensions link with -lstdc++
- Sort the libraries according to the library order
- Add some default compile/link args and directories
- Choose C99 standard for C code and C++11 for C++ code
- Drop -std=c99 and similar from C++ extensions
- Ensure that each flag, library, ... is listed at most once
"""
lang = kwds.get('language', 'c')
cplusplus = (lang == "c++")
# Libraries: add stdc++ if needed and sort them
libs = kwds.get('libraries', [])
if cplusplus:
libs = libs + ['stdc++']
kwds['libraries'] = sorted(set(libs),
key=lambda lib: library_order.get(lib, 0))
# Dependencies: add setup.py and lib_headers
depends = kwds.get('depends', []) + [__file__]
for lib, headers in lib_headers.items():
if lib in libs:
depends += headers
kwds['depends'] = depends # These are sorted and uniq'ed by Cython
# Process extra_compile_args
cflags = []
have_std_flag = False
for flag in kwds.get('extra_compile_args', []):
if flag.startswith("-std="):
if cplusplus and "++" not in flag:
continue # Skip -std=c99 and similar for C++
have_std_flag = True
cflags.append(flag)
if not have_std_flag: # See Trac #23919
if sys.platform == 'cygwin':
# Cygwin (particularly newlib, Cygwin's libc) has some bugs
# with strict ANSI C/C++ in some headers; using the GNU
# extensions typically fares better:
# https://trac.sagemath.org/ticket/24192
if cplusplus:
cflags.append("-std=gnu++11")
else:
cflags.append("-std=gnu99")
else:
if cplusplus:
cflags.append("-std=c++11")
else:
cflags.append("-std=c99")
cflags = extra_compile_args + cflags
kwds['extra_compile_args'] = stable_uniq(cflags)
# Process extra_link_args
ldflags = kwds.get('extra_link_args', []) + extra_link_args
kwds['extra_link_args'] = stable_uniq(ldflags)
# Process library_dirs
lib_dirs = kwds.get('library_dirs', []) + library_dirs
kwds['library_dirs'] = stable_uniq(lib_dirs)
# Process include_dirs
inc_dirs = kwds.get('include_dirs', []) + include_dirs + [self.build_dir]
kwds['include_dirs'] = stable_uniq(inc_dirs)
return default_create_extension(template, kwds)