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-rw-r--r--Modules/mathmodule.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index e811088..e45e64f 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -2,6 +2,11 @@
#include "allobjects.h"
+#include <errno.h>
+#ifndef errno
+extern int errno;
+#endif
+
#include "modsupport.h"
#include <math.h>