1 files changed, 1 insertions, 0 deletions
diff --git a/math/s_nanl.c b/math/s_nanl.c
index 9709b92383..1db246426c 100644
--- a/math/s_nanl.c
+++ b/math/s_nanl.c
@@ -25,6 +25,7 @@
 #include <ieee754.h>
 
 
+#undef __nanl
 long double
 __nanl (const char *tagp)
 {