Don't ignore environment variables CFLAGS and LDFLAGS for tools as well

diff --git a/tools/mfkey/Makefile b/tools/mfkey/Makefile
index 92d3be720c848f3cd0a1f89db625c691b864d124..9dab37f5df96eacfcfa999f80c81d448e148a831 100755 (executable)
--- a/tools/mfkey/Makefile
+++ b/tools/mfkey/Makefile
@@ -1,8 +1,8 @@
 VPATH = ../../common ../../common/crapto1 ../../client
 CC = gcc
 LD = gcc
-CFLAGS = -std=c99 -D_ISOC99_SOURCE -I../../include -I../../common -I../../client -Wall -O3
-LDFLAGS =
+CFLAGS += -std=c99 -D_ISOC99_SOURCE -I../../include -I../../common -I../../client -Wall -O3
+LDFLAGS +=
 
 OBJS = crypto1.o crapto1.o parity.o util_posix.o mfkey.o
 EXES = mfkey32 mfkey64