--- Makefile.orig	2024-02-24 23:10:18 UTC
+++ Makefile
@@ -1,8 +1,8 @@
 # Makefile for The PCI Utilities
 # (c) 1998--2024 Martin Mares <mj@ucw.cz>
 
-OPT=-O2
-CFLAGS=$(OPT) -Wall -W -Wno-parentheses -Wstrict-prototypes -Wmissing-prototypes
+#OPT=-O2
+CFLAGS+=$(OPT) -Wall -W -Wno-parentheses -Wstrict-prototypes -Wmissing-prototypes
 
 VERSION=3.11.1
 DATE=2024-02-25
@@ -32,11 +32,11 @@ ABI_VERSION=3
 ABI_VERSION=3
 
 # Installation directories
-PREFIX=/usr/local
+#PREFIX=/usr/local
 BINDIR=$(PREFIX)/bin
 SBINDIR=$(PREFIX)/sbin
 SHAREDIR=$(PREFIX)/share
-IDSDIR=$(SHAREDIR)
+IDSDIR=$(SHAREDIR)/pciids
 MANDIR:=$(shell if [ -d $(PREFIX)/share/man ] ; then echo $(PREFIX)/share/man ; else echo $(PREFIX)/man ; fi)
 INCDIR=$(PREFIX)/include
 LIBDIR=$(PREFIX)/lib
@@ -48,9 +48,9 @@ STRIP+=--strip-program $(CROSS_COMPILE)strip
 STRIP=-s
 ifdef CROSS_COMPILE
 STRIP+=--strip-program $(CROSS_COMPILE)strip
-CC=$(CROSS_COMPILE)gcc
+CC?=$(CROSS_COMPILE)gcc
 else
-CC=cc
+CC?=cc
 endif
 AR=$(CROSS_COMPILE)ar
 RANLIB=$(CROSS_COMPILE)ranlib