https://github.com/pciutils/pciutils/pull/105

From a74832198ab36683a867c79b3d6ef2cac9baad55 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Sun, 19 Jun 2022 23:53:42 +0100
Subject: [PATCH 2/2] lib/configure: respect $PKG_CONFIG completely

Signed-off-by: Sam James <sam@gentoo.org>
--- a/lib/configure
+++ b/lib/configure
@@ -268,7 +268,7 @@ if [ "$sys" = linux ] ; then
 	if [ "$HWDB" = yes -o "$HWDB" = no ] ; then
 		echo "$HWDB (set manually)"
 	else
-		if `command -v pkg-config >/dev/null && pkg-config --atleast-version=196 libudev` ; then
+		if `command -v $PKG_CONFIG >/dev/null && $PKG_CONFIG --atleast-version=196 libudev` ; then
 			HWDB=yes
 		else
 			HWDB=no