configure.in: don't check for broken memcmp()

Systems with a broken memcmp() are sufficiently old not to build Ruby
successfully.

1 files changed, 0 insertions, 18 deletions

diff --git a/missing/memcmp.c b/missing/memcmp.c
deleted file mode 100644
index a81eec4244..0000000000
--- a/missing/memcmp.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/* public domain rewrite of memcmp(3) */
-
-#include "ruby/missing.h"
-#include <stddef.h>
-
-int
-memcmp(const void *s1, const void *s2, size_t len)
-{
-    register unsigned char *a = (unsigned char*)s1;
-    register unsigned char *b = (unsigned char*)s2;
-    register int tmp;
-
-    for (; len; --len) {
-	if (tmp = *a++ - *b++)
-	    return tmp;
-    }
-    return 0;
-}