Scripts to generate Android.mk for framework Skia.

platform_tools/android/bin/android_framework_gyp.py

+#!/usr/bin/python
+
+# Copyright 2014 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Modified version of gyp_skia, used by gyp_to_android.py to generate Android.mk
+"""
+
+import os
+import sys
+
+script_dir = os.path.dirname(__file__)
+
+# Unlike gyp_skia, this file is nested deep inside Skia. Move to Skia trunk.

[epoger, 2014/01/23 18:57:58]

I'm not sure what you mean by "Move to Skia trunk".

Unless you mean "TODO(scroggo): Move this file to Skia's trunk dir", maybe "Find
Skia's trunk dir" would be clearer?

[scroggo, 2014/01/24 20:09:02]

Done.

+# This line depends on the fact that the script is three levels deep
+# (specifically, it is in platform_tools/android/bin).
+skia_dir = os.path.normpath(os.path.join(script_dir, os.pardir, os.pardir,
+                                         os.pardir))
+dir_contents = os.listdir(skia_dir)
+assert 'third_party' in dir_contents and 'gyp' in dir_contents
+
+# Directory within which we can find the gyp source.
+gyp_source_dir = os.path.join(skia_dir, 'third_party', 'externals', 'gyp')
+
+# Directory within which we can find most of Skia's gyp configuration files.
+gyp_config_dir = os.path.join(skia_dir, 'gyp')
+
+# Ensure we import our current gyp source's module, not any version
+# pre-installed in your PYTHONPATH.
+sys.path.insert(0, os.path.join(gyp_source_dir, 'pylib'))
+
+import gyp
+
+def main(skia_arch_type, have_neon):
+  # Set GYP_DEFINES for building for the android framework.
+  gyp_defines = ('skia_android_framework=1 OS=android skia_arch_type=%s '
+                 % skia_arch_type)
+  if skia_arch_type == 'arm':
+    # Always use thumb and version 7 for arm
+    gyp_defines = gyp_defines + 'arm_thumb=1 arm_version=7 '

[epoger, 2014/01/23 18:57:58]

You can use 
x += y
instead of 
x = x + y

[scroggo, 2014/01/24 20:09:02]

Done.

+    if have_neon:
+      gyp_defines = gyp_defines + 'arm_neon=1 '
+    else:
+      gyp_defines = gyp_defines + 'arm_neon=0 '
+
+  os.environ['GYP_DEFINES'] = gyp_defines
+
+  args = []
+  args.extend(['--depth', '.'])
+  # Use the android_framework_lib file instead of skia.gyp
+  args.extend([os.path.join(gyp_config_dir, 'android_framework_lib.gyp')])
+  # Common conditions
+  args.extend(['-I', 'gyp/common.gypi'])
+  # Use the debugging format. We'll use these to create one master make file.
+  args.extend(['-f', 'gypd'])
+
+  # Off we go...
+  return gyp.main(args)