From a507f24694a523438fd527192a393bf34d11e7e0 Mon Sep 17 00:00:00 2001
From: Nirbheek Chauhan <nirbheek@centricular.com>
Date: Sat, 17 Dec 2022 04:44:50 +0530
Subject: [PATCH] meson: Fix pkgconfig detection when specified in machine file

When pkgconfig and pkg_config_path are specified in the machine file,
we need to parse those and pass them on to the cargo_wrapper.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1018>
---
 meson.build | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/meson.build b/meson.build
index 3e1556e3..8dd390c6 100644
--- a/meson.build
+++ b/meson.build
@@ -211,6 +211,17 @@ else
   disable_doc = []
 endif
 
+# 'pkgconfig' is the entry in the machine file, if specified
+pkg_config = find_program('pkgconfig', required: false)
+if pkg_config.found()
+  extra_env += {'PKG_CONFIG': pkg_config.full_path()}
+endif
+
+pkg_config_path = get_option('pkg_config_path')
+if pkg_config_path.length() > 0
+  extra_env += {'PKG_CONFIG_PATH': ':'.join(pkg_config_path)}
+endif
+
 rs_plugins = custom_target('gst-plugins-rs',
   build_by_default: true,
   output: output,