diff -ur wmbutton-0.6.1.orig/Makefile wmbutton-0.6.1/Makefile
--- wmbutton-0.6.1.orig/Makefile	2005-01-16 17:12:54.000000000 +0200
+++ wmbutton-0.6.1/Makefile	2008-01-13 08:15:02.000000000 +0200
@@ -1,19 +1,17 @@
-INCLUDES =-I/usr/X11R6/include/X11 -I/usr/local/include -I/usr/include/X11R6/X11
-LIBINC =-L/usr/X11R6/lib -L/usr/include/lib
+INCLUDES =-I/usr/include/X11
 LIBS = -lX11 -lXpm -lXext
+CC = gcc
 
 TARGET = wmbutton
 OBJECTS = wmbutton.o wmb_libs.o
 
-CFLAGS += -c -Wall -O2
-
 all: ${TARGET} tags
 
 .c.o:
-	gcc ${CFLAGS} ${INCLUDES} $< -o $*.o
+	${CC} -c ${CFLAGS} ${INCLUDES} $< -o $*.o
 
 ${TARGET}: ${OBJECTS}
-	gcc -o ${TARGET} ${OBJECTS} ${LIBINC} ${LIBS}
+	${CC} ${LDFLAGS} ${OBJECTS} ${LIBS} -o ${TARGET}
 
 clean::
 	for i in ${OBJECTS}; do if [ -e $$i ] ; then rm $$i; fi; done