From 027af6b064381a1a48f7fe76d3b54162e5d095e7 Mon Sep 17 00:00:00 2001
From: Jussi Pakkanen <jpakkane@gmail.com>
Date: Tue, 3 Jan 2017 21:18:51 +0200
Subject: [PATCH] Error out if trying to do gettext without appropriate tools.

---
 mesonbuild/modules/i18n.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mesonbuild/modules/i18n.py b/mesonbuild/modules/i18n.py
index c4e4814e6..097eedd92 100644
--- a/mesonbuild/modules/i18n.py
+++ b/mesonbuild/modules/i18n.py
@@ -16,6 +16,7 @@ from os import path
 from .. import coredata, mesonlib, build
 from ..mesonlib import MesonException
 import sys
+import shutil
 
 PRESET_ARGS = {
     'glib': [
@@ -63,6 +64,8 @@ class I18nModule:
     def gettext(self, state, args, kwargs):
         if len(args) != 1:
             raise coredata.MesonException('Gettext requires one positional argument (package name).')
+        if not shutil.which('xgettext'):
+            raise coredata.MesonException('Can not do gettext because xgettext is not installed.')
         packagename = args[0]
         languages = mesonlib.stringlistify(kwargs.get('languages', []))
         datadirs = mesonlib.stringlistify(kwargs.get('data_dirs', []))