[gnome-boxes/csoriano-master-patch-18205] Flatpak: Build meson from sources

[Carlos Soriano <csoriano src gnome org>]

commit 2229f4023324b5d3f70a757f508e526f8fd578d0
Author: Carlos Soriano <csoriano1618 gmail com>
Date:   Wed Sep 5 11:55:28 2018 +0000

    Flatpak: Build meson from sources
    
    Meson evolves quickly enough that worth adding it.
    
    This also fixes the nightlies, https://www.daitauha.fr/static/gnome-master-flatpak/report.html

 build-aux/flatpak/org.gnome.Boxes.json | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/build-aux/flatpak/org.gnome.Boxes.json b/build-aux/flatpak/org.gnome.Boxes.json
index 1f498182..469e86e9 100644
--- a/build-aux/flatpak/org.gnome.Boxes.json
+++ b/build-aux/flatpak/org.gnome.Boxes.json
@@ -29,6 +29,20 @@
         }
     },
     "modules" : [
+        {
+            "name" : "meson",
+            "buildsystem" : "simple",
+            "build-commands" : [
+                "python3 setup.py install --prefix=/app"
+            ],
+            "sources" : [
+                {
+                    "type" : "archive",
+                    "url" : "https://github.com/mesonbuild/meson.git";,
+                    "tag" : "0.47.2"
+                }
+            ]
+        },
         {
             "name" : "mtools",
             "buildsystem" : "autotools",