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bpo-31904: Add cross-build support for VxWorks RTOS (GH-11968)

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pxinwr 2019-02-27 19:09:28 +08:00 • committed by Victor Stinner
parent 53b9e1a1c1
commit 32f5fdd7f4
5 changed files with 75 additions and 18 deletions
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46
setup.py
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@ -44,6 +44,8 @@ def get_platform():
return sys.platform
host_platform = get_platform()
VXWORKS = ('vxworks' in host_platform)
# Were we compiled --with-pydebug or with #define Py_DEBUG?
COMPILED_WITH_PYDEBUG = ('--with-pydebug' in sysconfig.get_config_var("CONFIG_ARGS"))
@ -509,13 +511,14 @@ class PyBuildExt(build_ext):
finally:
os.unlink(tmpfile)
def add_gcc_paths(self):
gcc = sysconfig.get_config_var('CC')
tmpfile = os.path.join(self.build_temp, 'gccpaths')
def add_cross_compiling_paths(self):
cc = sysconfig.get_config_var('CC')
tmpfile = os.path.join(self.build_temp, 'ccpaths')
if not os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
ret = os.system('%s -E -v - </dev/null 2>%s 1>/dev/null' % (gcc, tmpfile))
ret = os.system('%s -E -v - </dev/null 2>%s 1>/dev/null' % (cc, tmpfile))
is_gcc = False
is_clang = False
in_incdirs = False
inc_dirs = []
lib_dirs = []
@ -525,17 +528,19 @@ class PyBuildExt(build_ext):
for line in fp.readlines():
if line.startswith("gcc version"):
is_gcc = True
elif line.startswith("clang version"):
is_clang = True
elif line.startswith("#include <...>"):
in_incdirs = True
elif line.startswith("End of search list"):
in_incdirs = False
elif is_gcc and line.startswith("LIBRARY_PATH"):
elif (is_gcc or is_clang) and line.startswith("LIBRARY_PATH"):
for d in line.strip().split("=")[1].split(":"):
d = os.path.normpath(d)
if '/gcc/' not in d:
add_dir_to_list(self.compiler.library_dirs,
d)
elif is_gcc and in_incdirs and '/gcc/' not in line:
elif (is_gcc or is_clang) and in_incdirs and '/gcc/' not in line and '/clang/' not in line:
add_dir_to_list(self.compiler.include_dirs,
line.strip())
finally:
@ -550,7 +555,7 @@ class PyBuildExt(build_ext):
add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
# only change this for cross builds for 3.3, issues on Mageia
if cross_compiling:
self.add_gcc_paths()
self.add_cross_compiling_paths()
self.add_multiarch_paths()
# Add paths specified in the environment variables LDFLAGS and
@ -722,7 +727,8 @@ class PyBuildExt(build_ext):
# pwd(3)
exts.append( Extension('pwd', ['pwdmodule.c']) )
# grp(3)
exts.append( Extension('grp', ['grpmodule.c']) )
if not VXWORKS:
exts.append( Extension('grp', ['grpmodule.c']) )
# spwd, shadow passwords
if (config_h_vars.get('HAVE_GETSPNAM', False) or
config_h_vars.get('HAVE_GETSPENT', False)):
@ -859,7 +865,12 @@ class PyBuildExt(build_ext):
libs = ['crypt']
else:
libs = []
exts.append( Extension('_crypt', ['_cryptmodule.c'], libraries=libs) )
if not VXWORKS:
exts.append( Extension('_crypt', ['_cryptmodule.c'], libraries=libs) )
elif self.compiler.find_library_file(lib_dirs, 'OPENSSL'):
libs = ['OPENSSL']
exts.append( Extension('_crypt', ['_cryptmodule.c'], libraries=libs) )
# CSV files
exts.append( Extension('_csv', ['_csv.c']) )
@ -868,8 +879,14 @@ class PyBuildExt(build_ext):
exts.append( Extension('_posixsubprocess', ['_posixsubprocess.c']) )
# socket(2)
exts.append( Extension('_socket', ['socketmodule.c'],
depends = ['socketmodule.h']) )
if not VXWORKS:
exts.append( Extension('_socket', ['socketmodule.c'],
depends = ['socketmodule.h']) )
elif self.compiler.find_library_file(lib_dirs, 'net'):
libs = ['net']
exts.append( Extension('_socket', ['socketmodule.c'],
depends = ['socketmodule.h'], libraries=libs) )
# Detect SSL support for the socket module (via _ssl)
ssl_ext, hashlib_ext = self._detect_openssl(inc_dirs, lib_dirs)
if ssl_ext is not None:
@ -1319,9 +1336,10 @@ class PyBuildExt(build_ext):
# Unix-only modules
if host_platform != 'win32':
# Steen Lumholt's termios module
exts.append( Extension('termios', ['termios.c']) )
# Jeremy Hylton's rlimit interface
if not VXWORKS:
# Steen Lumholt's termios module
exts.append( Extension('termios', ['termios.c']) )
# Jeremy Hylton's rlimit interface
exts.append( Extension('resource', ['resource.c']) )
else:
missing.extend(['resource', 'termios'])