--- dwm-1.4~/config.mk	2006-09-06 17:47:00.000000000 +0200
+++ dwm-1.4/config.mk	2006-09-06 17:47:22.000000000 +0200
@@ -4,8 +4,8 @@
 # Customize below to fit your system
 
 # paths
-PREFIX = /usr/local
-MANPREFIX = ${PREFIX}/share/man
+PREFIX ?= /usr/local
+MANPREFIX ?= ${PREFIX}/share/man
 
 X11INC = /usr/X11R6/include
 X11LIB = /usr/X11R6/lib
@@ -15,11 +15,11 @@
 LIBS = -L/usr/lib -lc -L${X11LIB} -lX11
 
 # flags
-CFLAGS = -Os ${INCS} -DVERSION=\"${VERSION}\"
+CFLAGS += -g -Wall ${INCS} -DVERSION=\"${VERSION}\"
 LDFLAGS = ${LIBS}
 #CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\"
 #LDFLAGS = -g ${LIBS}
 
 # compiler and linker
-CC = cc
+CC ?= cc
 LD = ${CC}