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-rw-r--r--lib/libm/wf_lgamma.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/libm/wf_lgamma.c b/lib/libm/wf_lgamma.c
index 834a4de48..4b07a7289 100644
--- a/lib/libm/wf_lgamma.c
+++ b/lib/libm/wf_lgamma.c
@@ -24,7 +24,9 @@
*/
#include "fdlibm.h"
+#ifndef _IEEE_LIBM
#define _IEEE_LIBM 1
+#endif
#ifdef __STDC__
float lgammaf(float x)