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-rw-r--r--include/math.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/math.h b/include/math.h
index 3934880171..2b040c67fd 100644
--- a/include/math.h
+++ b/include/math.h
@@ -2,6 +2,7 @@
 
 #include <math/math.h>
 
+#ifndef _ISOMAC
 /* Now define the internal interfaces.  */
 extern int __matherr (struct exception *__exc);
 
@@ -36,3 +37,4 @@ extern int __isinf_nsf (float);
 extern int __isinf_nsl (long double);
 
 #endif
+#endif