diff -burN cgit-0.8.1.orig/Makefile cgit-0.8.1/Makefile
--- cgit-0.8.1.orig/Makefile	2008-12-10 09:59:24.000000000 +0100
+++ cgit-0.8.1/Makefile	2008-12-11 00:02:15.000000000 +0100
@@ -86,12 +86,12 @@
 -include VERSION
 
 
-CFLAGS += -g -Wall -Igit
-CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
-CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
-CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
-CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
-CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
+override CFLAGS += -g -Wall -Igit
+override CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
+override CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
+override CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
+override CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
+override CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
 
 ifdef NO_ICONV
 	CFLAGS += -DNO_ICONV