diff -ru bzip2-1.0.3/Makefile bzip2-1.0.3-new/Makefile
--- bzip2-1.0.3/Makefile	2005-02-17 12:28:24.000000000 +0100
+++ bzip2-1.0.3-new/Makefile	2005-07-20 02:45:04.000000000 +0200
@@ -8,7 +8,7 @@
 LDFLAGS=
 
 BIGFILES=-D_FILE_OFFSET_BITS=64
-CFLAGS=-Wall -Winline -O -g $(BIGFILES)
+CFLAGS+=-Wall -Winline -O -g $(BIGFILES)
 
 # Where you want it installed when you do 'make install'
 PREFIX=/usr