fix build of multiple locales

Author: Secret-chest

locale/meson.build

@@ -3,25 +3,20 @@ wayfire_locale_dir = join_paths(share_dir, 'locale')
 
 fs = import('fs')
 
-mo_targets = []
-
 po_files_raw = run_command('find', '.', '-name', '*.po', check : true).stdout().strip().split('\n')
 po_files = files(po_files_raw)
 
 foreach po_file : po_files
     language = fs.name(fs.parent(fs.parent(po_file)))
-    mo_file = fs.stem(po_file) + '.mo'
-    t = custom_target('mo-' + language,
-        input : po_file,
-        output : mo_file,
-        command : ['msgfmt', '@INPUT@', '-o', '@OUTPUT@'],
-        install : true,
-        install_dir : join_paths(
-            wayfire_locale_dir,
-            language,
-            'LC_MESSAGES'
-        )
+    install_path = join_paths(
+        wayfire_locale_dir,
+        language,
+        'LC_MESSAGES'
     )
-
-    mo_targets += t
-endforeach
+    run_command('mkdir', '-p', meson.project_build_root() + '/locale/' + language + '/LC_MESSAGES', check : true)
+    run_command('msgfmt', po_file, '-o', meson.project_build_root() + '/locale/' + language + '/LC_MESSAGES/' + fs.stem(po_file) + '.mo', check : true)
+    install_data(
+        meson.project_build_root() + '/locale/' + language + '/LC_MESSAGES/' + fs.stem(po_file) + '.mo',
+        install_dir : install_path
+    )
+endforeach