* compile.c: math.h for modf.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29211 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/compile.c b/compile.c
index 8cbf253cf2..db4c32fca6 100644
--- a/compile.c
+++ b/compile.c
@@ -10,6 +10,7 @@
 **********************************************************************/
 
 #include "ruby/ruby.h"
+#include <math.h>
 
 #define USE_INSN_STACK_INCREASE 1
 #include "vm_core.h"