Backport fix for #10126
diff --git a/Lib/distutils/tests/test_build_ext.py b/Lib/distutils/tests/test_build_ext.py
index beb6d96..154771f 100644
--- a/Lib/distutils/tests/test_build_ext.py
+++ b/Lib/distutils/tests/test_build_ext.py
@@ -49,6 +49,20 @@
sys.platform == 'cygwin')
super(BuildExtTestCase, self).tearDown()
+ def _fixup_command(self, cmd):
+ # When Python was build with --enable-shared, -L. is not good enough
+ # to find the libpython<blah>.so. This is because regrtest runs it
+ # under a tempdir, not in the top level where the .so lives. By the
+ # time we've gotten here, Python's already been chdir'd to the
+ # tempdir.
+ #
+ # To further add to the fun, we can't just add library_dirs to the
+ # Extension() instance because that doesn't get plumbed through to the
+ # final compiler command.
+ if not sys.platform.startswith('win'):
+ library_dir = sysconfig.get_config_var('srcdir')
+ cmd.library_dirs = [('.' if library_dir is None else library_dir)]
+
@unittest.skipIf(not os.path.exists(_XX_MODULE_PATH),
'xxmodule.c not found')
def test_build_ext(self):
@@ -58,6 +72,7 @@
dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]})
dist.package_dir = self.tmp_dir
cmd = build_ext(dist)
+ self._fixup_command(cmd)
if os.name == "nt":
# On Windows, we must build a debug version iff running
# a debug build of Python