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Closes #27976: Deprecate bundled full copy of libffi

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Builds on non-OSX UNIX now default to using the system libffi, and warn if the
bundled copy is used.
This commit is contained in:
Zachary Ware 2016-09-09 17:01:21 -07:00
parent b7f3c944d1
commit 935043d1ac
5 changed files with 57 additions and 8 deletions
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10
setup.py
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@ -1911,6 +1911,9 @@ class PyBuildExt(build_ext):
if host_platform == 'darwin':
return self.configure_ctypes_darwin(ext)
print('warning: building with the bundled copy of libffi is'
' deprecated on this platform. It will not be'
' distributed with Python 3.7')
srcdir = sysconfig.get_config_var('srcdir')
ffi_builddir = os.path.join(self.build_temp, 'libffi')
ffi_srcdir = os.path.abspath(os.path.join(srcdir, 'Modules',
@ -2007,13 +2010,14 @@ class PyBuildExt(build_ext):
libraries=math_libs)
self.extensions.extend([ext, ext_test])
if not '--with-system-ffi' in sysconfig.get_config_var("CONFIG_ARGS"):
return
if host_platform == 'darwin':
if '--with-system-ffi' not in sysconfig.get_config_var("CONFIG_ARGS"):
return
# OS X 10.5 comes with libffi.dylib; the include files are
# in /usr/include/ffi
inc_dirs.append('/usr/include/ffi')
elif '--without-system-ffi' in sysconfig.get_config_var("CONFIG_ARGS"):
return
ffi_inc = [sysconfig.get_config_var("LIBFFI_INCLUDEDIR")]
if not ffi_inc or ffi_inc[0] == '':