diff options
Diffstat (limited to 'Lib/distutils/sysconfig.py')
| -rw-r--r-- | Lib/distutils/sysconfig.py | 88 |
1 files changed, 21 insertions, 67 deletions
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py index 16902ca..b6007a9 100644 --- a/Lib/distutils/sysconfig.py +++ b/Lib/distutils/sysconfig.py @@ -146,7 +146,7 @@ def get_python_lib(plat_specific=0, standard_lib=0, prefix=None): "I don't know where Python installs its library " "on platform '%s'" % os.name) -_USE_CLANG = None + def customize_compiler(compiler): """Do any platform-specific customization of a CCompiler instance. @@ -155,42 +155,28 @@ def customize_compiler(compiler): varies across Unices and is stored in Python's Makefile. """ if compiler.compiler_type == "unix": + if sys.platform == "darwin": + # Perform first-time customization of compiler-related + # config vars on OS X now that we know we need a compiler. + # This is primarily to support Pythons from binary + # installers. The kind and paths to build tools on + # the user system may vary significantly from the system + # that Python itself was built on. Also the user OS + # version and build tools may not support the same set + # of CPU architectures for universal builds. + global _config_vars + if not _config_vars.get('CUSTOMIZED_OSX_COMPILER', ''): + import _osx_support + _osx_support.customize_compiler(_config_vars) + _config_vars['CUSTOMIZED_OSX_COMPILER'] = 'True' + (cc, cxx, opt, cflags, ccshared, ldshared, so_ext, ar, ar_flags) = \ get_config_vars('CC', 'CXX', 'OPT', 'CFLAGS', 'CCSHARED', 'LDSHARED', 'SO', 'AR', 'ARFLAGS') newcc = None if 'CC' in os.environ: - newcc = os.environ['CC'] - elif sys.platform == 'darwin' and cc == 'gcc-4.2': - # Issue #13590: - # Since Apple removed gcc-4.2 in Xcode 4.2, we can no - # longer assume it is available for extension module builds. - # If Python was built with gcc-4.2, check first to see if - # it is available on this system; if not, try to use clang - # instead unless the caller explicitly set CC. - global _USE_CLANG - if _USE_CLANG is None: - from distutils import log - from subprocess import Popen, PIPE - p = Popen("! type gcc-4.2 && type clang && exit 2", - shell=True, stdout=PIPE, stderr=PIPE) - p.wait() - if p.returncode == 2: - _USE_CLANG = True - log.warn("gcc-4.2 not found, using clang instead") - else: - _USE_CLANG = False - if _USE_CLANG: - newcc = 'clang' - if newcc: - # On OS X, if CC is overridden, use that as the default - # command for LDSHARED as well - if (sys.platform == 'darwin' - and 'LDSHARED' not in os.environ - and ldshared.startswith(cc)): - ldshared = newcc + ldshared[len(cc):] - cc = newcc + cc = os.environ['CC'] if 'CXX' in os.environ: cxx = os.environ['CXX'] if 'LDSHARED' in os.environ: @@ -543,43 +529,11 @@ def get_config_vars(*args): srcdir = os.path.join(base, _config_vars['srcdir']) _config_vars['srcdir'] = os.path.normpath(srcdir) + # OS X platforms require special customization to handle + # multi-architecture, multi-os-version installers if sys.platform == 'darwin': - kernel_version = os.uname()[2] # Kernel version (8.4.3) - major_version = int(kernel_version.split('.')[0]) - - if major_version < 8: - # On Mac OS X before 10.4, check if -arch and -isysroot - # are in CFLAGS or LDFLAGS and remove them if they are. - # This is needed when building extensions on a 10.3 system - # using a universal build of python. - for key in ('LDFLAGS', 'BASECFLAGS', - # a number of derived variables. These need to be - # patched up as well. - 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): - flags = _config_vars[key] - flags = re.sub('-arch\s+\w+\s', ' ', flags, re.ASCII) - flags = re.sub('-isysroot [^ \t]*', ' ', flags) - _config_vars[key] = flags - - else: - - # Allow the user to override the architecture flags using - # an environment variable. - # NOTE: This name was introduced by Apple in OSX 10.5 and - # is used by several scripting languages distributed with - # that OS release. - - if 'ARCHFLAGS' in os.environ: - arch = os.environ['ARCHFLAGS'] - for key in ('LDFLAGS', 'BASECFLAGS', - # a number of derived variables. These need to be - # patched up as well. - 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): - - flags = _config_vars[key] - flags = re.sub('-arch\s+\w+\s', ' ', flags) - flags = flags + ' ' + arch - _config_vars[key] = flags + import _osx_support + _osx_support.customize_config_vars(_config_vars) if args: vals = [] |