- Issue #22980: Under Linux, GNU/KFreeBSD and the Hurd, C extensions now include

  the architecture triplet in the extension name, to make it easy to test builds
  for different ABIs in the same working tree.

1 files changed, 12 insertions, 3 deletions

diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
index 3711784..0d915b1 100644
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -390,10 +390,19 @@ class TestSysConfig(unittest.TestCase):
         self.assertEqual(vars['SO'], vars['EXT_SUFFIX'])
 
     @unittest.skipUnless(sys.platform == 'linux', 'Linux-specific test')
-    def test_bitness_in_ext_suffix(self):
+    def test_triplet_in_ext_suffix(self):
+        import ctypes, platform, re
+        machine = platform.machine()
         suffix = sysconfig.get_config_var('EXT_SUFFIX')
-        bitness = '-32b' if sys.maxsize < 2**32 else '-64b'
-        self.assertTrue(suffix.endswith(bitness + '.so'), suffix)
+        if re.match('(aarch64|arm|mips|ppc|powerpc|s390|sparc)', machine):
+            self.assertTrue('linux' in suffix, suffix)
+        if re.match('(i[3-6]86|x86_64)$', 'x86_64'):
+            if ctypes.sizeof(ctypes.c_char_p()) == 4:
+                self.assertTrue(suffix.endswith('i386-linux-gnu.so') \
+                                or suffix.endswith('x86_64-linux-gnux32.so'),
+                                suffix)
+            else: # 8 byte pointer size
+                self.assertTrue(suffix.endswith('x86_64-linux-gnu.so'), suffix)
 
 
 class MakefileTests(unittest.TestCase):