1 files changed, 2 insertions, 0 deletions
diff --git a/numeric.c b/numeric.c
index de00de20d9..634c2eb940 100644
--- a/numeric.c
+++ b/numeric.c
@@ -63,6 +63,8 @@
 #define DBL_EPSILON 2.2204460492503131e-16
 #endif
 
+extern double round _((double));
+
 #ifndef HAVE_ROUND
 double
 round(x)