--- utils/vlumpy/Makefile.orig
+++ utils/vlumpy/Makefile
@@ -6,17 +6,17 @@
 LIBS=-lm -lstdc++
 endif
 
-CFLAGS = -Wall -O3 -ffast-math -fomit-frame-pointer -march=pentiumpro
+CFLAGS += -Wall -O3 -ffast-math -fomit-frame-pointer
 OBJS = cmdlib.o imglib.o scrlib.o wadlib.o vlumpy.o
 
 all: ../bin/vlumpy$(EXE)
 
 ../bin/vlumpy$(EXE): $(OBJS)
-	gcc -s -o $@ $(OBJS) $(LIBS)
+	${CC} -s -o $@ $(OBJS) $(LIBS)
 
 %.o: %.cpp ../common/*.h
-	gcc $(CFLAGS) -I../common -c -o $@ $<
+	${CC} $(CFLAGS) -I../common -c -o $@ $<
 
 %.o: ../common/%.cpp ../common/*.h
-	gcc $(CFLAGS) -c -o $@ $<
+	${CC} $(CFLAGS) -c -o $@ $<