def build_msvcr_library(debug=False):
if os.name != 'nt':
return False
# If the version number is None, then we couldn't find the MSVC runtime at
# all, because we are running on a Python distribution which is customed
# compiled; trust that the compiler is the same as the one available to us
# now, and that it is capable of linking with the correct runtime without
# any extra options.
msvcr_ver = msvc_runtime_major()
if msvcr_ver is None:
log.debug('Skip building import library: '
'Runtime is not compiled with MSVC')
return False
# Skip using a custom library for versions < MSVC 8.0
if msvcr_ver < 80:
log.debug('Skip building msvcr library:'
' custom functionality not present')
return False
msvcr_name = msvc_runtime_library()
if debug:
msvcr_name += 'd'
# Skip if custom library already exists
out_name = "lib%s.a" % msvcr_name
out_file = os.path.join(sys.prefix, 'libs', out_name)
if os.path.isfile(out_file):
log.debug('Skip building msvcr library: "%s" exists' %
(out_file,))
return True
# Find the msvcr dll
msvcr_dll_name = msvcr_name + '.dll'
dll_file = find_dll(msvcr_dll_name)
if not dll_file:
log.warn('Cannot build msvcr library: "%s" not found' %
msvcr_dll_name)
return False
def_name = "lib%s.def" % msvcr_name
def_file = os.path.join(sys.prefix, 'libs', def_name)
log.info('Building msvcr library: "%s" (from %s)' \
% (out_file, dll_file))
# Generate a symbol definition file from the msvcr dll
generate_def(dll_file, def_file)
# Create a custom mingw library for the given symbol definitions
cmd = ['dlltool', '-d', def_file, '-l', out_file]
retcode = subprocess.call(cmd)
# Clean up symbol definitions
os.remove(def_file)
return (not retcode)
def build_msvcr_library(debug=False):
if os.name != 'nt':
return False
# If the version number is None, then we couldn't find the MSVC runtime at
# all, because we are running on a Python distribution which is customed
# compiled; trust that the compiler is the same as the one available to us
# now, and that it is capable of linking with the correct runtime without
# any extra options.
msvcr_ver = msvc_runtime_major()
if msvcr_ver is None:
log.debug('Skip building import library: '
'Runtime is not compiled with MSVC')
return False
# Skip using a custom library for versions < MSVC 8.0
if msvcr_ver < 80:
log.debug('Skip building msvcr library:'
' custom functionality not present')
return False
msvcr_name = msvc_runtime_library()
if debug:
msvcr_name += 'd'
# Skip if custom library already exists
out_name = "lib%s.a" % msvcr_name
out_file = os.path.join(sys.prefix, 'libs', out_name)
if os.path.isfile(out_file):
log.debug('Skip building msvcr library: "%s" exists' %
(out_file,))
return True
# Find the msvcr dll
msvcr_dll_name = msvcr_name + '.dll'
dll_file = find_dll(msvcr_dll_name)
if not dll_file:
log.warn('Cannot build msvcr library: "%s" not found' %
msvcr_dll_name)
return False
def_name = "lib%s.def" % msvcr_name
def_file = os.path.join(sys.prefix, 'libs', def_name)
log.info('Building msvcr library: "%s" (from %s)' \
% (out_file, dll_file))
# Generate a symbol definition file from the msvcr dll
generate_def(dll_file, def_file)
# Create a custom mingw library for the given symbol definitions
cmd = ['dlltool', '-d', def_file, '-l', out_file]
retcode = subprocess.call(cmd)
# Clean up symbol definitions
os.remove(def_file)
return (not retcode)
def check_embedded_msvcr_match_linked(msver):
"""msver is the ms runtime version used for the MANIFEST."""
# check msvcr major version are the same for linking and
# embedding
maj = msvc_runtime_major()
if maj:
if not maj == int(msver):
raise ValueError("Discrepancy between linked msvcr "
"(%d) and the one about to be embedded "
"(%d)" % (int(msver), maj))
def check_embedded_msvcr_match_linked(msver):
"""msver is the ms runtime version used for the MANIFEST."""
# check msvcr major version are the same for linking and
# embedding
maj = msvc_runtime_major()
if maj:
if not maj == int(msver):
raise ValueError(
"Discrepancy between linked msvcr " \
"(%d) and the one about to be embedded " \
"(%d)" % (int(msver), maj))
def build_msvcr_library(debug=False):
if os.name != 'nt':
return False
msvcr_name = msvc_runtime_library()
# Skip using a custom library for versions < MSVC 8.0
msvcr_ver = msvc_runtime_major()
if msvcr_ver and msvcr_ver < 80:
log.debug('Skip building msvcr library:'
' custom functionality not present')
return False
if debug:
msvcr_name += 'd'
# Skip if custom library already exists
out_name = "lib%s.a" % msvcr_name
out_file = os.path.join(sys.prefix, 'libs', out_name)
if os.path.isfile(out_file):
log.debug('Skip building msvcr library: "%s" exists' %
(out_file,))
return True
# Find the msvcr dll
msvcr_dll_name = msvcr_name + '.dll'
dll_file = find_dll(msvcr_dll_name)
if not dll_file:
log.warn('Cannot build msvcr library: "%s" not found' %
msvcr_dll_name)
return False
def_name = "lib%s.def" % msvcr_name
def_file = os.path.join(sys.prefix, 'libs', def_name)
log.info('Building msvcr library: "%s" (from %s)' \
% (out_file, dll_file))
# Generate a symbol definition file from the msvcr dll
generate_def(dll_file, def_file)
# Create a custom mingw library for the given symbol definitions
cmd = ['dlltool', '-d', def_file, '-l', out_file]
retcode = subprocess.call(cmd)
# Clean up symbol definitions
os.remove(def_file)
return (not retcode)
def build_msvcr_library(debug=False):
if os.name != 'nt':
return False
msvcr_name = msvc_runtime_library()
# Skip using a custom library for versions < MSVC 8.0
msvcr_ver = msvc_runtime_major()
if msvcr_ver and msvcr_ver < 80:
log.debug('Skip building msvcr library:'
' custom functionality not present')
return False
if debug:
msvcr_name += 'd'
# Skip if custom library already exists
out_name = "lib%s.a" % msvcr_name
out_file = os.path.join(sys.prefix, 'libs', out_name)
if os.path.isfile(out_file):
log.debug('Skip building msvcr library: "%s" exists' % (out_file, ))
return True
# Find the msvcr dll
msvcr_dll_name = msvcr_name + '.dll'
dll_file = find_dll(msvcr_dll_name)
if not dll_file:
log.warn('Cannot build msvcr library: "%s" not found' % msvcr_dll_name)
return False
def_name = "lib%s.def" % msvcr_name
def_file = os.path.join(sys.prefix, 'libs', def_name)
log.info('Building msvcr library: "%s" (from %s)' \
% (out_file, dll_file))
# Generate a symbol definition file from the msvcr dll
generate_def(dll_file, def_file)
# Create a custom mingw library for the given symbol definitions
cmd = ['dlltool', '-d', def_file, '-l', out_file]
retcode = subprocess.call(cmd)
# Clean up symbol definitions
os.remove(def_file)
return (not retcode)
def __init__(self):
ver = msvc_runtime_major()
if ver is None:
self.init_not_msvc()
else:
self.init_msvc(ver)
def __init__(self):
ver = msvc_runtime_major()
if ver is None:
self.init_not_msvc()
else:
self.init_msvc(ver)