--- a/Makefile
+++ b/Makefile
@@ -54,18 +54,17 @@
 
 VC_CRAP = pure-sfv.ncb pure-sfv.plg
 
-CFLAGS +=	-Wall -Werror -O2 -g -Wno-unused
+CFLAGS +=	-Wall -Wno-unused
 INSTALL_PREFIX = /usr/local
 INSTALL_PROGRAM = /usr/bin/install -c
 
 all: pure-sfv
 
-CC = gcc
 
 OBJ = ${SRCS:%.c=%.o}
 
 pure-sfv: $(OBJ)
-	$(CC) -lm -DVERSION=\"$(VERSION)\" $(CFLAGS) -o $(PROG) $(OBJ)
+	$(CC) -DVERSION=\"$(VERSION)\" $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(PROG) $(OBJ) -lm
 
 PURIFY_OPTIONS=-follow-child-processes=yes -always-use-cache-dir=yes
 PURIFY=purify