[ghex: 1/2] build: Use gnome.post_install

[Logan Rathbone <larathbone src gnome org>]

commit 906f54615e4db47156c869812aa3ac994e2b0491
Author: Bobby Rong <rjl931189261 126 com>
Date:   Fri Feb 18 16:43:58 2022 +0800

    build: Use gnome.post_install
    
    Also requires meson 0.59.0.
    Otherwise the post install script will fail if GTK 3 is not installed.

 meson.build           | 12 ++++++------
 meson_post_install.py | 27 ---------------------------
 2 files changed, 6 insertions(+), 33 deletions(-)
---
diff --git a/meson.build b/meson.build
index 3ed33ec..e2c505c 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project(
   'ghex', 'c',
   version: '4.beta.1',
-  meson_version: '>=0.53.0',
+  meson_version: '>=0.59.0',
   license: 'GPL2'
 )
 
@@ -130,10 +130,6 @@ configure_file(
   configuration: config_h
 )
 
-update_icon_cache_prg = find_program('gtk-update-icon-cache', required : false)
-update_desktop_database_prg = find_program('update-desktop-database', required : false)
-compile_schemas_prg = find_program('glib-compile-schemas', required : false)
-
 subdir('src')
 subdir('data')
 subdir('docs')
@@ -141,7 +137,11 @@ subdir('icons')
 subdir('po')
 subdir('help')
 
-meson.add_install_script('meson_post_install.py')
+gnome.post_install(
+  glib_compile_schemas: true,
+  gtk_update_icon_cache: true,
+  update_desktop_database: true,
+)
 
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