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# Copyright 2011 The Android Open Source Project
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This script is a wrapper which invokes gyp with the correct --depth argument,
# and supports the automatic regeneration of build files if all.gyp is
# changed (Linux-only).
# To build for i386, run gyp normally, then run
# make LDFLAGS="-L/work/compile/INSTALL/lib" BUILDTYPE=Debug-x86
import glob
import os
import shlex
import sys
script_dir = os.path.dirname(__file__)
# Skia Source directory
skia_dir = os.path.join(script_dir, 'external', 'skia')
# 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')
# Directory within which we want all generated files (including Makefiles)
# to be written.
output_dir = os.path.join(os.path.abspath(script_dir),'build')
sys.path.append(os.path.join(gyp_source_dir, 'pylib'))
import gyp
def additional_include_files(args=[]):
# Determine the include files specified on the command line.
# This doesn't cover all the different option formats you can use,
# but it's mainly intended to avoid duplicating flags on the automatic
# makefile regeneration which only uses this format.
specified_includes = set()
for arg in args:
if arg.startswith('-I') and len(arg) > 2:
result = []
def AddInclude(path):
if os.path.realpath(path) not in specified_includes:
return result
if __name__ == '__main__':
args = sys.argv[1:]
# Set CWD to the directory containing this script.
# This allows us to launch it from other directories, in spite of gyp's
# finickyness about the current working directory.
# See ('Linux make build
# (from out dir) no longer runs skia_gyp correctly')
# This could give false positives since it doesn't actually do real option
# parsing. Oh well.
gyp_file_specified = False
for arg in args:
if arg.endswith('.gyp'):
gyp_file_specified = True
# If we didn't get a file, then fall back to assuming 'skia.gyp' from the
# same directory as the script.
# The gypfile must be passed as a relative path, not an absolute path,
# or else the gyp code doesn't write into the proper output dir.
if not gyp_file_specified:
args.extend(['-I' + i for i in additional_include_files(args)])
args.extend(['--depth', '.'])
# Tell gyp to write the Makefiles into output_dir
args.extend(['--generator-output', os.path.abspath(output_dir)])
# Tell make to write its output into the same dir
# Special arguments for generating Visual Studio projects:
# - msvs_version forces generation of Visual Studio 2010 project so that we
# can use msbuild.exe
# - msvs_abspath_output is a workaround for
print 'Updating projects from gyp files...'
# Off we go...