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[3.9] bpo-45881: Use CC from env first for cross building (GH-29752) (GH-29754)

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Co-authored-by: Christian Heimes <christian@python.org>.
Co-authored-by: Christian Heimes <christian@python.org>
This commit is contained in:
Christian Heimes 2021-11-25 21:53:14 +02:00 • committed by GitHub
parent 71b414750e
commit cd6d2577fa
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2 changed files with 10 additions and 8 deletions
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16
setup.py
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@ -65,6 +65,9 @@ CYGWIN = (HOST_PLATFORM == 'cygwin')
MACOS = (HOST_PLATFORM == 'darwin')
AIX = (HOST_PLATFORM.startswith('aix'))
VXWORKS = ('vxworks' in HOST_PLATFORM)
CC = os.environ.get("CC")
if not CC:
CC = sysconfig.get_config_var("CC")
SUMMARY = """
@ -443,6 +446,9 @@ class PyBuildExt(build_ext):
def build_extensions(self):
self.set_srcdir()
self.set_compiler_executables()
self.configure_compiler()
self.init_inc_lib_dirs()
# Detect which modules should be compiled
self.detect_modules()
@ -451,7 +457,6 @@ class PyBuildExt(build_ext):
self.update_sources_depends()
mods_built, mods_disabled = self.remove_configured_extensions()
self.set_compiler_executables()
build_ext.build_extensions(self)
@ -631,12 +636,11 @@ class PyBuildExt(build_ext):
def add_multiarch_paths(self):
# Debian/Ubuntu multiarch support.
# https://wiki.ubuntu.com/MultiarchSpec
cc = sysconfig.get_config_var('CC')
tmpfile = os.path.join(self.build_temp, 'multiarch')
if not os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
ret = run_command(
'%s -print-multiarch > %s 2> /dev/null' % (cc, tmpfile))
'%s -print-multiarch > %s 2> /dev/null' % (CC, tmpfile))
multiarch_path_component = ''
try:
if ret == 0:
@ -675,11 +679,10 @@ class PyBuildExt(build_ext):
os.unlink(tmpfile)
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 = run_command('%s -E -v - </dev/null 2>%s 1>/dev/null' % (cc, tmpfile))
ret = run_command('%s -E -v - </dev/null 2>%s 1>/dev/null' % (CC, tmpfile))
is_gcc = False
is_clang = False
in_incdirs = False
@ -1783,9 +1786,6 @@ class PyBuildExt(build_ext):
self.missing.append('_uuid')
def detect_modules(self):
self.configure_compiler()
self.init_inc_lib_dirs()
self.detect_simple_extensions()
if TEST_EXTENSIONS:
self.detect_test_extensions()