[gnome-games] flatpak: Add libretro-mame

[Adrien Plazas <aplazas src gnome org>]

commit 4a89dfbf220fcdfd2dc1f60fb8af70ac542901b5
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Sep 14 17:02:02 2017 +0200

    flatpak: Add libretro-mame

 flatpak/libretro-cores/libretro-mame.json |   29 +++++++++++++++++++++++++++++
 flatpak/libretro-cores/mame.libretro      |   11 +++++++++++
 2 files changed, 40 insertions(+), 0 deletions(-)
---
diff --git a/flatpak/libretro-cores/libretro-mame.json b/flatpak/libretro-cores/libretro-mame.json
new file mode 100644
index 0000000..df3933b
--- /dev/null
+++ b/flatpak/libretro-cores/libretro-mame.json
@@ -0,0 +1,29 @@
+        {
+            "name": "libretro-mame",
+            "no-autogen": true,
+            "make-args": [
+                "--makefile=Makefile.libretro",
+                "prefix=/app",
+                "core_installdir=/app/lib/libretro"
+            ],
+            "make-install-args": [
+                "--makefile=Makefile.libretro",
+                "prefix=/app",
+                "core_installdir=/app/lib/libretro"
+            ],
+            "post-install": [
+                /* TODO: Send that upstream */
+                "mkdir -p /app/lib/libretro/",
+                "install -m644 -p mame.libretro /app/lib/libretro/"
+            ],
+            "sources": [
+                {
+                    "type": "git",
+                    "url": "https://github.com/Kekun/mame";
+                },
+                {
+                    "type": "file",
+                    "path": "mame.libretro"
+                }
+            ]
+        }
diff --git a/flatpak/libretro-cores/mame.libretro b/flatpak/libretro-cores/mame.libretro
new file mode 100644
index 0000000..51653de
--- /dev/null
+++ b/flatpak/libretro-cores/mame.libretro
@@ -0,0 +1,11 @@
+[Libretro]
+Type=Emulator
+Version=1.0
+Name=MAME
+Module=mame_libretro.so
+LibretroVersion=1
+Authors=MAMEdev;
+License=GPL-2.0+;
+
+[Platform:MAME]
+MimeType=application/zip;