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-rw-r--r--Include/Python.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/Include/Python.h b/Include/Python.h
index b3b07e0..e17abeb 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -12,6 +12,16 @@ See the file "Misc/COPYRIGHT" for information on usage and
redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
******************************************************************/
+/* Enable compiler features including SUSv2 compatibility; switching
+ on C lib defines doesn't work here, because the symbols haven't
+ necessarily been defined yet. */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+#ifndef _XOPEN_SOURCE
+# define _XOPEN_SOURCE 500
+#endif
+
/* Include nearly all Python header files */
#include "patchlevel.h"