Extend the test to compile a second time after setting include dirs again.

jaraco · jaraco · commit 71cffcb8a8ec · 2022-08-09T10:33:39.000-04:00
diff --git a/distutils/tests/test_ccompiler.py b/distutils/tests/test_ccompiler.py
@@ -49,3 +49,7 @@ def test_set_include_dirs(c_file):
     python = sysconfig.get_paths()['include']
     compiler.set_include_dirs([python])
     compiler.compile(_make_strs([c_file]))
+
+    # do it again, setting include dirs after any initialization
+    compiler.set_include_dirs([python])
+    compiler.compile(_make_strs([c_file]))
