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Issue #26661: setup.py now detects system libffi with multiarch wrapper.

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This commit is contained in:
Christian Heimes 2016-09-18 14:34:13 +02:00
commit 85c98bf968
2 changed files with 11 additions and 7 deletions
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2
Misc/NEWS
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@ -93,6 +93,8 @@ Windows
Build
-----
- Issue #26661: setup.py now detects system libffi with multiarch wrapper.
- Issue #15819: Remove redundant include search directory option for building
outside the source tree.

16
setup.py
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@ -2025,14 +2025,16 @@ def detect_ctypes(self, inc_dirs, lib_dirs):
ffi_inc = find_file('ffi.h', [], inc_dirs)
if ffi_inc is not None:
ffi_h = ffi_inc[0] + '/ffi.h'
with open(ffi_h) as fp:
while 1:
line = fp.readline()
if not line:
ffi_inc = None
break
if line.startswith('#define LIBFFI_H'):
with open(ffi_h) as f:
for line in f:
line = line.strip()
if line.startswith(('#define LIBFFI_H',
'#define ffi_wrapper_h')):
break
else:
ffi_inc = None
print('Header file {} does not define LIBFFI_H or '
'ffi_wrapper_h'.format(ffi_h))
ffi_lib = None
if ffi_inc is not None:
for lib_name in ('ffi', 'ffi_pic'):