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| � r� | Sq� Wd S| Sd S( s� Tries to find 'executable' in the directories listed in 'path'.
A string listing directories separated by 'os.pathsep'; defaults to
os.environ['PATH']. Returns the complete filename or None if not found.
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Wd S( s- Remove original unmodified values for testingN( t listt
startswitht _INITPRE( t _config_varst k( ( s$ /usr/lib64/python2.7/_osx_support.pyt _remove_original_valuesq s c C sM | j | d � } | | k r? t | | k r? | | t | <n | | | <d S( s@ Save modified and original unmodified value of configuration varR6 N( t getRD ( RE t cvt newvaluet oldvalue( ( s$ /usr/lib64/python2.7/_osx_support.pyt _save_modified_valuex s c C si t � } | rO y# t d � | j d � D� � } WqO t k
rK d } qO Xn | re t | d k � St S( s= Returns True if universal builds are supported on this systemc s s | ] } t | � Vq d S( N( t int( t .0t i( ( s$ /usr/lib64/python2.7/_osx_support.pys <genexpr>� s R9 R6 i
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s7 Find appropriate C compiler for extension module buildsR
i t clangt gccs '%s' --versiont 's '"'"'s llvm-gccs Cannot locate working compilerR s ++t ( R R R R& R8 R t basenameRC R5 t replacet SystemErrort _COMPILER_CONFIG_VARSRL R ( RE t cct oldcct dataRI t cv_split( ( s$ /usr/lib64/python2.7/_osx_support.pyt _find_appropriate_compiler� s(
#c C sw xp t D]h } | | k r | t j k r | | } t j d d | � } t j d d | � } t | | | � q q W| S( s5 Remove all universal build arguments from config varss
-arch\s+\w+\sRY s -isysroot [^ ]*( t _UNIVERSAL_CONFIG_VARSR R R< t subRL ( RE RI t flags( ( s$ /usr/lib64/python2.7/_osx_support.pyt _remove_universal_flags� s
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| � } t | | | � ql ql Wq� n | S( s- Remove any unsupported archs from config varsR
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c C s� d t j k r� t j d } xm t D]b } | | k r# d | | k r# | | } t j d d | � } | d | } t | | | � q# q# Wn | S( s2 Allow override of all archs with ARCHFLAGS env vart ARCHFLAGSs -archs
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This function will strip '-isysroot PATH' and '-arch ARCH' from the
compile flags if the user has specified one them in extra_compile_flags.
This is needed because '-arch ARCH' adds another architecture to the
build, without a way to remove an architecture. Furthermore GCC will
barf if multiple '-isysroot' arguments are present.
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c C s. t � s t | � n t | � t | � | S( s� Customize Python build configuration variables.
Called internally from sysconfig with a mutable mapping
containing name/value pairs parsed from the configured
makefile used to build this interpreter. Returns
the mapping updated as needed to reflect the environment
in which the interpreter is running; in the case of
a Python from a binary installer, the installed
environment may be very different from the build
environment, i.e. different OS levels, different
built tools, different available CPU architectures.
This customization is performed whenever
distutils.sysconfig.get_config_vars() is first
called. It may be used in environments where no
compilers are present, i.e. when installing pure
Python dists. Customization of compiler paths
and detection of unavailable archs is deferred
until the first extention module build is
requested (in distutils.sysconfig.customize_compiler).
Currently called from distutils.sysconfig
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in distutils.sysconfig.customize_compiler).
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