[gnome-builder] flatpak: install meson into flatpak project

[Christian Hergert <chergert src gnome org>]

commit 06b383b36f857f6c3bf2c55b8abfaaa13af8941e
Author: Christian Hergert <chergert redhat com>
Date:   Tue Feb 21 14:58:42 2017 -0800

    flatpak: install meson into flatpak project
    
    This will be more useful once we finally switch over to meson.

 org.gnome.Builder.json |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/org.gnome.Builder.json b/org.gnome.Builder.json
index a295e0b..a606622 100644
--- a/org.gnome.Builder.json
+++ b/org.gnome.Builder.json
@@ -275,6 +275,23 @@
             ]
         },
         {
+            "name": "meson",
+            "no-autogen": true,
+            "cleanup": [ "/bin", "/lib" ],
+            "sources": [
+                {
+                    "type": "archive",
+                    "url": 
"https://github.com/mesonbuild/meson/releases/download/0.38.1/meson-0.38.1.tar.gz";,
+                    "sha256": "dcb05349b32427924fa2a258a5e23e40e09c1bf9dd09919198c3a2ae1c38ba53"
+                },
+                {
+                    "type": "file",
+                    "path": "build/flatpak/setuptools-makefile",
+                    "dest-filename": "Makefile"
+                }
+            ]
+        },
+        {
             "name": "sysprof",
             "config-opts": [ "--enable-gtk", "--with-sysprofd=host" ],
             "cleanup": [ "/bin/*", "/libexec/sysprof", "/share/applications/*", "/share/mime/packages" ],