--- Makefile.orig	2008-11-09 21:28:18.000000000 +0100
+++ Makefile	2008-12-19 14:23:43.000000000 +0100
@@ -1,8 +1,7 @@
 # Makefile for The PCI Utilities
 # (c) 1998--2008 Martin Mares <mj@ucw.cz>
 
-OPT=-O2
-CFLAGS=$(OPT) -Wall -W -Wno-parentheses -Wstrict-prototypes -Wmissing-prototypes
+CFLAGS+=-Wall -W -Wno-parentheses -Wstrict-prototypes -Wmissing-prototypes
 
 VERSION=3.0.3
 DATE=2008-11-09
@@ -25,10 +24,9 @@
 ABI_VERSION=.3
 
 # Installation directories
-PREFIX=/usr/local
 SBINDIR=$(PREFIX)/sbin
 SHAREDIR=$(PREFIX)/share
-IDSDIR=$(SHAREDIR)
+IDSDIR=$(SHAREDIR)/pciutils
 MANDIR:=$(shell if [ -d $(PREFIX)/share/man ] ; then echo $(PREFIX)/share/man ; else echo $(PREFIX)/man ; fi)
 INCDIR=$(PREFIX)/include
 LIBDIR=$(PREFIX)/lib
@@ -38,7 +36,7 @@
 INSTALL=install
 DIRINSTALL=install -d
 STRIP=-s
-CC=$(CROSS_COMPILE)gcc
+CC?=$(CROSS_COMPILE)gcc
 AR=$(CROSS_COMPILE)ar
 RANLIB=$(CROSS_COMPILE)ranlib