1--- a/unix/Makefile
2+++ b/unix/Makefile
3@@ -42,9 +42,9 @@
4 # such as -DDOSWILD).
5
6 # UnZip flags
7-CC = cc# try using "gcc" target rather than changing this (CC and LD
8+CC ?= cc# try using "gcc" target rather than changing this (CC and LD
9 LD = $(CC)# must match, else "unresolved symbol: ___main" is possible)
10-AS = as
11+AS ?= as
12 LOC = $(D_USE_BZ2) $(LOCAL_UNZIP)
13 AF = $(LOC)
14 CFLAGS = -O