[recipes/piotrdrag/i18n-fixes] build: Use i18n.merge_file for .desktop and .appdata

[Piotr Drąg <piotrdrag src gnome org>]

commit 19312a9d2b8b9290d3dc04e9c986bde1320bc1a0
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Feb 17 14:32:21 2019 +0100

    build: Use i18n.merge_file for .desktop and .appdata
    
    Also added in Meson 0.37.0.

 data/meson.build | 28 ++++++++++++++--------------
 meson.build      |  1 +
 2 files changed, 15 insertions(+), 14 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index df77569..3ebe587 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -44,21 +44,21 @@ install_data('org.gnome.Recipes-mime.xml',
 install_data('org.gnome.Recipes-search-provider.ini',
              install_dir: join_paths([datadir, 'gnome-shell/search-providers']))
 
-msgfmt = find_program('msgfmt')
+i18n.merge_file('desktop-file',
+                type: 'desktop',
+                output: 'org.gnome.Recipes.desktop',
+                input: files('org.gnome.Recipes.desktop.in'),
+                po_dir: po_dir,
+                install: true,
+                install_dir: join_paths([datadir,'applications']))
 
-custom_target('desktop-file',
-              output: 'org.gnome.Recipes.desktop',
-              input: files('org.gnome.Recipes.desktop.in'),
-              install: true,
-              install_dir: join_paths([datadir,'applications']),
-              command: [msgfmt, '--desktop', '-d', '../po', '--template', '@INPUT@', '-o', '@OUTPUT@'])
-
-custom_target('appdata',
-              output: 'org.gnome.Recipes.appdata.xml',
-              input: files('appdata/org.gnome.Recipes.appdata.xml.in'),
-              install: true,
-              install_dir: join_paths([datadir,'metainfo']),
-              command: [msgfmt, '--xml', '-d', '../po', '--template', '@INPUT@', '-o', '@OUTPUT@'])
+i18n.merge_file('appdata',
+                 type: 'xml',
+                 output: 'org.gnome.Recipes.appdata.xml',
+                 input: files('appdata/org.gnome.Recipes.appdata.xml.in'),
+                 po_dir: po_dir,
+                 install: true,
+                 install_dir: join_paths([datadir,'metainfo']))
 
 configure_file(input: 'org.gnome.Recipes.service.in',
                output: 'org.gnome.Recipes.service',
diff --git a/meson.build b/meson.build
index 74723e8..d408824 100644
--- a/meson.build
+++ b/meson.build
@@ -98,6 +98,7 @@ pkgdatadir = join_paths([ get_option('prefix'),
                           'gnome-recipes' ])
 bindir = join_paths([ get_option('prefix'), 'bin' ])
 schemadir = join_paths([ datadir, 'glib-2.0', 'schemas' ])
+po_dir = join_paths(meson.source_root(), 'po')
 
 conf.set('G_LOG_USE_STRUCTURED', true)
 conf.set_quoted('G_LOG_DOMAIN', 'org.gnome.Recipes')