diff --git a/Misc/NEWS b/Misc/NEWS index a082a24382f..e7349981042 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -400,6 +400,9 @@ Tests Build ----- +- Issue #11715: Fix multiarch detection without having Debian development + tools (dpkg-dev) installed. + - Issue #15819: Make sure we can build Python out-of-tree from a readonly source directory. (Somewhat related to Issue #9860.) diff --git a/setup.py b/setup.py index 7b3a5357783..1791fbe2821 100644 --- a/setup.py +++ b/setup.py @@ -351,6 +351,27 @@ 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 = os.system( + '%s -print-multiarch > %s 2> /dev/null' % (cc, tmpfile)) + multiarch_path_component = '' + try: + if ret >> 8 == 0: + with open(tmpfile) as fp: + multiarch_path_component = fp.readline().strip() + finally: + os.unlink(tmpfile) + + if multiarch_path_component != '': + add_dir_to_list(self.compiler.library_dirs, + '/usr/lib/' + multiarch_path_component) + add_dir_to_list(self.compiler.include_dirs, + '/usr/include/' + multiarch_path_component) + return + if not find_executable('dpkg-architecture'): return tmpfile = os.path.join(self.build_temp, 'multiarch')