- [Makefile umac.c] Add special-case target to build umac128.o.
diff --git a/umac.c b/umac.c
index e78d2cc..e373de5 100644
--- a/umac.c
+++ b/umac.c
@@ -52,7 +52,9 @@
/* --- User Switches ---------------------------------------------------- */
/* ---------------------------------------------------------------------- */
+#ifndef UMAC_OUTPUT_LEN
#define UMAC_OUTPUT_LEN 8 /* Alowable: 4, 8, 12, 16 */
+#endif
/* #define FORCE_C_ONLY 1 ANSI C and 64-bit integers req'd */
/* #define AES_IMPLEMENTAION 1 1 = OpenSSL, 2 = Barreto, 3 = Gladman */
/* #define SSE2 0 Is SSE2 is available? */