Erik Hvatum added the comment:
The 2012-12-31 of this patch (currently the latest) has the surprising effect
of causing distutils CFLAGS to be dropped. See for reference:
https://bugs.gentoo.org/show_bug.cgi?id=548776
The issue I am experiencing is resolved by changing the section of the patch
that reads:
+- (cc, cxx, opt, cflags, ccshared, ldshared, shlib_suffix, ar,
ar_flags) = \
+- get_config_vars('CC', 'CXX', 'OPT', 'CFLAGS',
+- 'CCSHARED', 'LDSHARED', 'SHLIB_SUFFIX', 'AR',
'ARFLAGS')
++ (cc, cxx, ccshared, ldshared, ldcxxshared, shlib_suffix, ar,
ar_flags) = \
++ get_config_vars('CC', 'CXX', 'CCSHARED', 'LDSHARED',
'LDCXXSHARED',
++ 'SHLIB_SUFFIX', 'AR', 'ARFLAGS')
++
++ cflags = ''
++ cxxflags = ''
to:
+- (cc, cxx, opt, cflags, ccshared, ldshared, shlib_suffix, ar,
ar_flags) = \
+- get_config_vars('CC', 'CXX', 'OPT', 'CFLAGS',
+- 'CCSHARED', 'LDSHARED', 'SHLIB_SUFFIX', 'AR',
'ARFLAGS')
++ (cc, cxx, cflags, ccshared, ldshared, ldcxxshared, shlib_suffix, ar,
ar_flags) = \
++ get_config_vars('CC', 'CXX', 'CFLAGS', 'CCSHARED', 'LDSHARED',
'LDCXXSHARED',
++ 'SHLIB_SUFFIX', 'AR', 'ARFLAGS')
++
++ cxxflags = cflags
This change causes the CFLAGS outputted by "python-config --cflags" to be used
by distutils, as they are without the patch applied. To me, losing those
CFLAGS, especially when building plain C python extensions, seems like a
significant regression.
----------
nosy: +ehvatum
versions: +Python 3.4 -Python 3.5
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<http://bugs.python.org/issue1222585>
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