build: Set glib-compile-resources dependency in base meson.build file

For consistency, assign all dependencies at the same place.

Author: jnsh

common/gnome-shell/meson.build

@@ -1,11 +1,6 @@
 # supported versions
 gnome_shell_versions = ['3.28', '3.30', '3.32', '3.34', '3.36', '3.38', '40', '41']
 
-# glib-compile-resources dependency
-if get_option('gnome_shell_gresource')
-  glib_compile_resources = find_program('glib-compile-resources')
-endif
-
 # gnome-shell version
 gnome_shell = find_program('gnome-shell', required : false)
 

common/gtk-3.0/meson.build

@@ -1,6 +1,3 @@
-# glib-compile-resources dependency
-glib_compile_resources = find_program('glib-compile-resources')
-
 # render PNG assets
 
 gtk3_asset_names = run_command(

common/gtk-4.0/meson.build

@@ -1,9 +1,6 @@
 # supported versions
 gtk4_versions = ['4.0', '4.2']
 
-# glib-compile-resources dependency
-glib_compile_resources = find_program('glib-compile-resources')
-
 # determine gtk4 version
 if get_option('gtk4_version') != ''
   gtk4_full_ver = get_option('gtk4_version')

meson.build

@@ -43,6 +43,17 @@ foreach theme : ['gtk2', 'gtk3', 'gtk4', 'xfwm']
   endif
 endforeach
 
+# glib-compile-resources dependency
+foreach theme : ['gnome-shell', 'gtk3', 'gtk4']
+  if theme in get_option('themes')
+    if theme == 'gnome-shell' and not get_option('gnome_shell_gresource')
+      continue
+    endif
+    glib_compile_resources = find_program('glib-compile-resources')
+    break
+  endif
+endforeach
+
 install_file = meson.source_root() / 'meson/install-file.py'
 
 meson.add_dist_script('meson/render-assets.py')