fixed Makefile after last merge

Makefile

@@ -4,7 +4,13 @@ EXE = ${OBJ}/bin
 
 COMMIT := $(shell git log -1 --pretty=format:"%H")
 
-ARCH=-m32
+ARCH =
+ifeq ($m, 32)
+ARCH = -m32
+endif
+ifeq ($m, 64)
+ARCH = -m64
+endif
 
 CFLAGS = $(ARCH) -O3 -std=gnu11 -Wall -mpclmul -march=core2 -mfpmath=sse -mssse3 -fno-strict-aliasing -fno-strict-overflow -fwrapv -DAES=1 -DCOMMIT=\"${COMMIT}\" -D_GNU_SOURCE=1 -D_FILE_OFFSET_BITS=64
 LDFLAGS = $(ARCH) -ggdb -rdynamic -lm -lrt -lcrypto -lz -lpthread -lcrypto