15c15
< SHELL=/bin/sh
---
> SHELL?=/bin/sh
18,21c18,21
< CC=gcc
< AR=ar
< RANLIB=ranlib
< LDFLAGS=
---
> CC?=gcc
> AR?=ar
> RANLIB?=ranlib
> LDFLAGS?=
24c24
< CFLAGS=-Wall -Winline -O2 -g $(BIGFILES)
---
> CFLAGS+=-Wall -Winline -O2 -g -fPIC $(BIGFILES)
27c27
< PREFIX=/usr/local
---
> PREFIX?=/usr/local