OpenBSD compatibility, except that GCC is not emiting valid SSE asm, so disable it on OpenBSD

uuid_obsd/Makefile

@@ -0,0 +1,7 @@
+#	$OpenBSD: Makefile,v 1.4 2017/02/19 00:46:57 jca Exp $
+
+PROG=	uuid
+NOMAN=
+
+
+.include <bsd.prog.mk>

uuid_obsd/uuid.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <uuid.h>
+
+int 
+main()
+{
+        uuid_t          uuid;
+        uint32_t        status;
+        char*           str[UUID_BUF_LEN];
+        uuid_create(&uuid, &status);
+        uuid_to_string(&uuid, str, &status);
+        printf("%s\n", *str);
+        return status;
+}