--- Makefile.in.orig	Wed Apr 14 18:28:16 1999
+++ Makefile.in	Thu Apr 15 22:55:00 1999
@@ -12,7 +12,7 @@
 # for gzip because otherwise the load on the web server
 # grows without having big benefits.
 # COMPRESSION = -DCOMPRESSION=4
-COMPRESSION = -DCOMPRESSION=1
+COMPRESSION ?= -DCOMPRESSION=1
 
 # Dont change things beyond this line.
 TARGET          = java2html
@@ -43,7 +43,7 @@
 srcdir          = @srcdir@
 CPPFLAGS        = @CPPFLAGS@
 
-CFLAGS += -O2 -Wall -pedantic
+CFLAGS ?= -O2 -Wall -pedantic
 ALL_CFLAGS = $(CFLAGS) -I$(srcdir) $(COMPRESSION) 
 
 all: $(TARGET)