Meson: Use gnome.post_install

Only available on Meson 0.57.0 and later

gtk/meson.build

@@ -1067,6 +1067,8 @@ install_data('gtkbuilder.loc', 'gtkbuilder.its',
              install_dir: join_paths(gtk_datadir, 'gettext/its'))
 
 ####### Utils ######
+gtk_tools = []
+
 gtk_query_settings = executable(
   'gtk-query-settings',
   'gtk-query-settings.c',
@@ -1074,6 +1076,7 @@ gtk_query_settings = executable(
   dependencies: libgtk_dep,
   install: true
 )
+gtk_tools += gtk_query_settings
 
 gtk_builder_tool = executable(
   'gtk-builder-tool',
@@ -1082,6 +1085,7 @@ gtk_builder_tool = executable(
   dependencies: libgtk_dep,
   install: true
 )
+gtk_tools += gtk_builder_tool
 
 extra_update_icon_cache_objs = []
 if win32_enabled
@@ -1113,6 +1117,7 @@ gtk_update_icon_cache = executable(
   dependencies: libgtk_dep,
   install: true
 )
+gtk_tools += gtk_update_icon_cache
 
 gtk_query_immodules = executable(
   'gtk-query-immodules-3.0',
@@ -1122,6 +1127,7 @@ gtk_update_icon_cache = executable(
   dependencies: libgtk_dep,
   install: true
 )
+gtk_tools += gtk_query_immodules
 
 gtk_encode_symbolic_svg = executable(
   'gtk-encode-symbolic-svg',
@@ -1130,6 +1136,7 @@ gtk_encode_symbolic_svg = executable(
   dependencies: libgtk_dep,
   install: true
 )
+gtk_tools += gtk_encode_symbolic_svg
 
 gtk_launch = executable(
   'gtk-launch',
@@ -1138,3 +1145,10 @@ gtk_launch = executable(
   dependencies: libgtk_dep,
   install: true
 )
+gtk_tools += gtk_launch
+
+if meson.version().version_compare('>=0.54.0')
+  foreach tool: gtk_tools
+    meson.override_find_program(tool.name(), tool)
+  endforeach
+endif

meson.build

@@ -1008,6 +1008,14 @@ subdir('docs/reference')
 
 install_data('m4macros/gtk-3.0.m4', install_dir: join_paths(get_option('datadir'), 'aclocal'))
 
+if not meson.is_cross_build()
+  if meson.version().version_compare('>=0.57.0')
+    gnome.post_install(
+      glib_compile_schemas: true,
+      gio_querymodules: gio_module_dirs,
+      gtk_update_icon_cache: get_option('demos'),
+    )
+  else
     # Keep this in sync with post-install.py expected arguments
     meson.add_install_script('build-aux/meson/post-install.py',
                              gtk_api_version,
@@ -1015,6 +1023,10 @@ meson.add_install_script('build-aux/meson/post-install.py',
                              join_paths(gtk_prefix, get_option('bindir')),
                              gtk_libdir,
                              gtk_datadir)
+  endif
+else
+  message('Not executing post-install steps automatically when cross compiling')
+endif
 
 if host_machine.system() != 'windows'
   # Install Valgrind suppression files (except on Windows,

modules/input/meson.build

@@ -1,6 +1,9 @@
 
 # Note: the list of immodules is in $(srcroot)/meson.build!
 
+immodules_install_dir = '@0@/gtk-@1@/@2@/immodules/'.format(gtk_libdir, gtk_api_version, gtk_binary_version)
+gio_module_dirs += immodules_install_dir
+
 foreach l: immodules
   name = l[0]
   immod_sources = l[1]
@@ -12,7 +15,7 @@ foreach l: immodules
                   immod_sources,
                   c_args: common_cflags + cflags,
                   dependencies: [ libgtk_dep ],
-                  install_dir: '@0@/gtk-@1@/@2@/immodules/'.format(gtk_libdir, gtk_api_version, gtk_binary_version),
+                  install_dir: immodules_install_dir,
                   include_directories: [confinc, gtkinc],
                   install : true,
                   name_suffix: module_suffix,

modules/meson.build

@@ -1,2 +1,4 @@
+gio_module_dirs = []
+
 subdir('input')
 subdir('printbackends')

modules/printbackends/meson.build

@@ -95,6 +95,8 @@ printbackends_args = [
 printbackends_subdir = 'gtk-3.0/@0@/printbackends'.format(gtk_binary_version)
 printbackends_install_dir = join_paths(get_option('libdir'), printbackends_subdir)
 
+gio_module_dirs += printbackends_install_dir
+
 if print_backends.contains('file')
   shared_module('printbackend-file',
                 'file/gtkprintbackendfile.c',