Allow overriding PREFIX and CFLAGS to make the build more flexible

This patch allows the package to be more easily portable to other
systems, such as OpenCSW where we install to /opt/csw and don't always
use gcc.

Signed-off-by: Ben Walton <bwalton@artsci.utoronto.ca>

diff --git a/Makefile b/Makefile
index 21af6831ab7e48847448ade0b3903ddfb7ade1db..be379abbd3fdacc131f7458e914c38778e307efe 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 BINS=isutf8 ifdata ifne pee sponge mispipe lckdo parallel errno
 PERLSCRIPTS=vidir vipe ts combine zrun chronic
 MANS=sponge.1 vidir.1 vipe.1 isutf8.1 ts.1 combine.1 ifdata.1 ifne.1 pee.1 zrun.1 chronic.1 mispipe.1 lckdo.1 parallel.1 errno.1
-CFLAGS=-O2 -g -Wall
+CFLAGS?=-O2 -g -Wall
 INSTALL_BIN?=install -s
-PREFIX=/usr
+PREFIX?=/usr
 
 DOCBOOK2XMAN=docbook2x-man