[gnome-shell/benzea/systemd-user-units] meson: Avoid using relative paths to po directory

[Benjamin Berg <bberg src gnome org>]

commit 1e96f38092dab40bbedd4410e38dc3bfee5dcd47
Author: Benjamin Berg <bberg redhat com>
Date:   Fri Apr 26 12:33:58 2019 +0200

    meson: Avoid using relative paths to po directory
    
    Replace the relative path to the po directory with a toplevel definition
    of po_dir and use that instead.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/507

 data/meson.build                | 4 ++--
 meson.build                     | 2 ++
 src/calendar-server/meson.build | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index c56d43be7..2df135883 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -24,7 +24,7 @@ foreach desktop_file : desktop_files
       configuration: desktopconf
     ),
     output: desktop_file,
-    po_dir: '../po',
+    po_dir: po_dir,
     install: true,
     install_dir: desktopdir,
     type: 'desktop'
@@ -38,7 +38,7 @@ i18n.merge_file('desktop',
     configuration: desktopconf
   ),
   output: 'gnome-shell-extension-disabled-warning.desktop',
-  po_dir: '../po',
+  po_dir: po_dir,
   install: true,
   install_dir: autostartdir,
   type: 'desktop'
diff --git a/meson.build b/meson.build
index 2112b474c..3b144b09d 100644
--- a/meson.build
+++ b/meson.build
@@ -228,6 +228,8 @@ libgvc = subproject('gvc',
 )
 libgvc_gir = libgvc.get_variable('libgvc_gir')
 
+po_dir = join_paths(meson.current_source_dir(), 'po')
+
 subdir('js')
 subdir('src')
 subdir('po')
diff --git a/src/calendar-server/meson.build b/src/calendar-server/meson.build
index a7393fce5..7363282a5 100644
--- a/src/calendar-server/meson.build
+++ b/src/calendar-server/meson.build
@@ -30,7 +30,7 @@ configure_file(
 i18n.merge_file('evolution-calendar.desktop',
   input: 'evolution-calendar.desktop.in',
   output: 'evolution-calendar.desktop',
-  po_dir: '../../po',
+  po_dir: po_dir,
   install: true,
   install_dir: desktopdir,
   type: 'desktop'