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| -rw-r--r-- | Lib/distutils/sysconfig.py | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py index 6f99de28e3..8306202fb3 100644 --- a/Lib/distutils/sysconfig.py +++ b/Lib/distutils/sysconfig.py @@ -566,6 +566,29 @@ def get_config_vars(*args): flags = flags + ' ' + arch _config_vars[key] = flags + # If we're on OSX 10.5 or later and the user tries to + # compiles an extension using an SDK that is not present + # on the current machine it is better to not use an SDK + # than to fail. + # + # The major usecase for this is users using a Python.org + # binary installer on OSX 10.6: that installer uses + # the 10.4u SDK, but that SDK is not installed by default + # when you install Xcode. + # + m = re.search('-isysroot\s+(\S+)', _config_vars['CFLAGS']) + if m is not None: + sdk = m.group(1) + if not os.path.exists(sdk): + 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('-isysroot\s+\S+(\s|$)', ' ', flags) + _config_vars[key] = flags + if args: vals = [] for name in args: |