--- utils/acc/Makefile.orig
+++ utils/acc/Makefile
@@ -6,7 +6,7 @@
 #LIBS=-lstdc++
 endif
 
-CFLAGS = -Wall -O3 -ffast-math -fomit-frame-pointer -march=pentiumpro
+CFLAGS += -Wall -O3 -ffast-math -fomit-frame-pointer
 
 OBJS = \
 	acc.o \
@@ -21,7 +21,7 @@
 all: ../bin/acc$(EXE)
 
 ../bin/acc$(EXE): $(OBJS)
-	gcc -s -o $@ $^ $(LIBS)
+	${CC} -s -o $@ $^ $(LIBS)
 
 %.o : %.c *.h
-	gcc $(CFLAGS) -c -o $@ $<
+	${CC} $(CFLAGS) -c -o $@ $<
