From a2f91d1831e0da7c9e673c960d136fbe1e6297a0 Mon Sep 17 00:00:00 2001
From: Rick van Schijndel <rol3517@gmail.com>
Date: Sun, 10 Apr 2022 17:02:40 +0200
Subject: [PATCH] wafHook: export PKGCONFIG if needed

This is useful for cross-compilation, where nixpkgs sets PKG_CONFIG.
waf decided to use PKGCONFIG instead, so we'll set it when necessary.
---
 pkgs/development/tools/build-managers/wafHook/setup-hook.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/tools/build-managers/wafHook/setup-hook.sh b/pkgs/development/tools/build-managers/wafHook/setup-hook.sh
index 6cea8fcc2ea8..e2f6714a32d4 100644
--- a/pkgs/development/tools/build-managers/wafHook/setup-hook.sh
+++ b/pkgs/development/tools/build-managers/wafHook/setup-hook.sh
@@ -10,6 +10,10 @@ wafConfigurePhase() {
         wafConfigureFlags="${prefixKey:---prefix=}$prefix $wafConfigureFlags"
     fi
 
+    if [ -n "${PKG_CONFIG}" ]; then
+      export PKGCONFIG="${PKG_CONFIG}"
+    fi
+
     local flagsArray=(
         "${flagsArray[@]}"
         $wafConfigureFlags "${wafConfigureFlagsArray[@]}"