CHG: remove clang warning for -O4,

[proxmark3-svn] / tools / mfkey / Makefile

diff --git a/tools/mfkey/Makefile b/tools/mfkey/Makefile
index a1bc44ad0d3f0fb403d9339a28965db50d5a68f9..aede38fd0ad714bc9389626b1418bde2639f5425 100755 (executable)
--- a/tools/mfkey/Makefile
+++ b/tools/mfkey/Makefile
@@ -1,6 +1,6 @@
 CC = gcc
 LD = gcc
-CFLAGS = -Wall -Winline -O4
+CFLAGS =  -std=c99 -Wall -Winline -O3
 LDFLAGS =
 
 OBJS = crapto1.o crypto1.o