meson: Replace deprecated source_root with project_source_root (#103)

Author: ryonakano

README.md

@@ -12,7 +12,7 @@ You'll need the following dependencies:
 * libpantheon-wayland-1-dev (>=1.1.0)
 * libpolkit-gobject-1-dev
 * libpolkit-agent-1-dev
-* meson
+* meson (>= 0.56.0)
 * valac (>= 0.34.1)
 
 Run `meson` to configure the build environment and then `ninja` to build

data/meson.build

@@ -8,7 +8,7 @@ desktop_in = configure_file(
 i18n.merge_file(
     input: desktop_in,
     output: meson.project_name() + '.desktop',
-    po_dir: join_paths(meson.source_root(), 'po'),
+    po_dir: join_paths(meson.project_source_root(), 'po'),
     type: 'desktop',
     install: true,
     install_dir: join_paths(get_option('datadir'), 'applications')
@@ -19,7 +19,7 @@ i18n.merge_file(
     output: meson.project_name() + '.metainfo.xml',
     install: true,
     install_dir: get_option('datadir') / 'metainfo',
-    po_dir: meson.source_root () / 'po' / 'extra'
+    po_dir: meson.project_source_root () / 'po' / 'extra'
 )
 
 # Daemon File

meson.build

@@ -1,7 +1,8 @@
 project(
     'io.elementary.desktop.agent-polkit',
     'vala', 'c',
-    version: '8.0.2'
+    version: '8.0.2',
+    meson_version: '>= 0.56.0'
 )
 
 install_path = join_paths(get_option('prefix'), get_option('libexecdir'), 'policykit-1-pantheon')

po/extra/meson.build

@@ -1,5 +1,5 @@
 i18n.gettext('extra',
-    args: '--directory=' + meson.source_root(),
+    args: '--directory=' + meson.project_source_root(),
     preset: 'glib',
     install: false,
 )

po/meson.build

@@ -1,5 +1,5 @@
 i18n.gettext(meson.project_name(),
-    args: '--directory=' + meson.source_root(),
+    args: '--directory=' + meson.project_source_root(),
     preset: 'glib'
 )
 subdir('extra')