Merge pull request #252 from marshmellow42/master

[proxmark3-svn] / tools / mfkey / Makefile

diff --git a/tools/mfkey/Makefile b/tools/mfkey/Makefile
index ab1623a87ccff9f3a0dda875cc8c44aef2809182..fc6170e4e3f4223437a50e43e8f9933576bcda9f 100755 (executable)
--- a/tools/mfkey/Makefile
+++ b/tools/mfkey/Makefile
@@ -1,7 +1,7 @@
 VPATH = ../../common ../../common/crapto1 ../../client
 CC = gcc
 LD = gcc
-CFLAGS = -I../../common -I../../client -Wall -O4
+CFLAGS = -std=c99 -D_ISOC99_SOURCE -I../../common -I../../client -Wall -O3
 LDFLAGS =
 
 OBJS = crypto1.o crapto1.o parity.o util.o mfkey.o