Undefine min and/or max before defining to avoid redefinition warning

on systems.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/cat.c b/src/cat.c
index de99b0dfd..ca9d87ac8 100644
--- a/src/cat.c
+++ b/src/cat.c
@@ -34,6 +34,8 @@
 #include "version.h"
 #include "error.h"
 
+/* Undefine, to avoid warning about redefinition on some systems.  */
+#undef max
 #define max(h,i) ((h) > (i) ? (h) : (i))
 
 char *stpcpy ();