diff -r 0f193b74d989 src/ex_cmds.c
--- a/src/ex_cmds.c	Tue Jan 19 23:45:05 2016 +0100
+++ b/src/ex_cmds.c	Wed Jan 20 11:29:40 2016 -0700
@@ -14,6 +14,10 @@
 #include "vim.h"
 #include "version.h"
 
+#ifdef FEAT_FLOAT
+#include <float.h>
+#endif
+
 #ifdef FEAT_EX_EXTRA
 static int linelen __ARGS((int *has_tab));
 #endif