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#!/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.abspath(os.path.dirname(__file__))
# Unlike gyp_skia, this file is nested deep inside Skia. Find Skia's trunk dir.
# This line depends on the fact that the script is three levels deep
# (specifically, it is in platform_tools/android/gyp_gen).
SKIA_DIR = os.path.normpath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir,
os.pardir))
DIR_CONTENTS = os.listdir(SKIA_DIR)
assert 'gyp' in DIR_CONTENTS
DEBUG_FAILURE = True
def main(target_dir, target_file, skia_arch_type, have_neon,
have_mips_dspr2, have_mips_dspr1, gyp_source_dir=None):
"""Create gypd files based on target_file.
Args:
target_dir: Directory containing all gyp files, including common.gypi
target_file: Gyp file to start on. Other files within target_dir will
be read if target_file depends on them.
skia_arch_type: Target architecture to pass to gyp.
have_neon: Whether to generate files including neon optimizations.
Only meaningful if skia_arch_type is 'arm'.
gyp_source_dir: Directory of the gyp source code. The default is in
third_party/externals/gyp.
Returns:
path: Path to root gypd file created by running gyp.
"""
# Ensure we import our current gyp source's module, not any version
# pre-installed in your PYTHONPATH.
if not gyp_source_dir:
if DEBUG_FAILURE:
print 'gyp_source_dir not provided. using the default!'
gyp_source_dir = os.path.join(SKIA_DIR, 'third_party', 'externals', 'gyp')
if DEBUG_FAILURE:
print 'gyp_source_dir is "%s"' % gyp_source_dir
if not os.path.exists(gyp_source_dir):
print 'and it does not exist!'
assert os.path.exists(gyp_source_dir)
sys.path.insert(0, os.path.join(gyp_source_dir, 'pylib'))
import gyp
# 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 version 7 (which implies thumb) for arm
gyp_defines += 'arm_version=7 '
if have_neon:
gyp_defines += 'arm_neon=1 '
else:
gyp_defines += 'arm_neon=0 '
if skia_arch_type == 'mips':
if have_mips_dspr2:
gyp_defines += 'mips_arch_variant=mips32r2 '
gyp_defines += 'mips_dsp=2 '
elif have_mips_dspr1:
gyp_defines += 'mips_arch_variant=mips32r2 '
gyp_defines += 'mips_dsp=1 '
os.environ['GYP_DEFINES'] = gyp_defines
args = []
args.extend(['--depth', '.'])
full_path = os.path.join(target_dir, target_file)
args.extend([full_path])
# Common conditions
args.extend(['-I', os.path.join(target_dir, 'common.gypi')])
# Use the debugging format. We'll use these to create one master make file.
args.extend(['-f', 'gypd'])
# Off we go...
ret = gyp.main(args)
if ret != 0:
raise Exception("gyp failed!")
# Running gyp should have created a gypd file, with the same name as
# full_path but with a 'd' on the end.
gypd_file = full_path + 'd'
if not os.path.exists(gypd_file):
raise Exception("gyp failed to produce gypd file!")
return gypd_file
def clean_gypd_files(folder):
"""Remove the gypd files generated by main().
Args:
folder: Folder in which to delete all files ending with 'gypd'.
"""
assert os.path.isdir(folder)
files = os.listdir(folder)
for f in files:
if f.endswith('gypd'):
os.remove(os.path.join(folder, f))
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