[gnome-mahjongg] data: determine schemasdir from pkgconfig variable

[Alberto Ruiz <aruiz src gnome org>]

commit 4f64f786c5815943253c7c3b5a815f8b7b8d725c
Author: Günther Wagner <info gunibert de>
Date:   Sat Jan 29 09:56:19 2022 +0100

    data: determine schemasdir from pkgconfig variable

 data/meson.build                |  7 ++++++-
 flatpak/org.gnome.Mahjongg.json | 32 --------------------------------
 2 files changed, 6 insertions(+), 33 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index 0e0beb7..8740503 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -5,8 +5,13 @@ install_data ('icons' / 'hicolor' / 'scalable' / 'org.gnome.Mahjongg.svg',
 install_data ('icons' / 'hicolor' / 'symbolic' / 'org.gnome.Mahjongg-symbolic.svg',
               install_dir: hicolordir / 'symbolic' / 'apps')
 
+schemasdir = gio_dep.get_variable(
+  pkgconfig: 'schemasdir',
+  pkgconfig_define: ['datadir', get_option('datadir')],
+  default_value: join_paths(get_option('datadir'), 'glib-2.0/schemas'),
+)
 install_data ('org.gnome.Mahjongg.gschema.xml',
-  install_dir: join_paths(get_option('datadir'), 'glib-2.0/schemas')
+  install_dir: schemasdir
 )
 
 install_data ('mahjongg.map', install_dir: join_paths (pkgdatadir, 'maps'))