diff -r 000000000000 -r 6474c204b198 media/libpng/moz.build
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/libpng/moz.build	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,48 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+EXPORTS += [
+    'mozpngconf.h',
+    'png.h',
+    'pngconf.h'
+]
+
+UNIFIED_SOURCES += [
+    'png.c',
+    'pngerror.c',
+    'pngget.c',
+    'pngmem.c',
+    'pngpread.c',
+    'pngread.c',
+    'pngrio.c',
+    'pngrtran.c',
+    'pngrutil.c',
+    'pngset.c',
+    'pngtrans.c',
+    'pngwio.c',
+    'pngwrite.c',
+    'pngwutil.c'
+]
+
+if CONFIG['MOZ_PNG_ARM_NEON']:
+    DEFINES['MOZ_PNG_HAVE_ARM_NEON'] = True
+    UNIFIED_SOURCES += [
+        'arm/arm_init.c',
+        'arm/filter_neon_intrinsics.c'
+    ]
+
+    SOURCES += [
+        'arm/filter_neon.S'
+    ]
+
+LIBRARY_NAME = 'mozpng'
+
+MSVC_ENABLE_PGO = True
+
+if CONFIG['GKMEDIAS_SHARED_LIBRARY']:
+    NO_VISIBILITY_FLAGS = True
+
+FINAL_LIBRARY = 'gkmedias'