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-rw-r--r--include/math.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/math.h b/include/math.h
index f837293f81..98ee97deed 100644
--- a/include/math.h
+++ b/include/math.h
@@ -1 +1,8 @@
+#ifndef	_MATH_H
+
 #include <math/math.h>
+
+/* Now define the internal interfaces.  */
+extern int __matherr __P ((struct exception *__exc));
+
+#endif