blob: be90916c581761a913dde4da5a3ce1516ea3c5b9 [file] [log] [blame]
#!/usr/bin/python
# 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).
import glob
import os
import platform
import shlex
import sys
script_dir = os.path.abspath(os.path.dirname(__file__))
# Directory within which we can find the gyp source.
gyp_source_dir = os.path.join(script_dir, 'third_party', 'externals', 'gyp')
# Directory within which we can find most of Skia's gyp configuration files.
gyp_config_dir = os.path.join(script_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
ENVVAR_GYP_GENERATORS = 'GYP_GENERATORS'
ENVVAR_GYP_GENERATOR_FLAGS = 'GYP_GENERATOR_FLAGS'
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:
specified_includes.add(os.path.realpath(arg[2:]))
result = []
def AddInclude(path):
if os.path.realpath(path) not in specified_includes:
result.append(path)
# Always include common.gypi.
# We do this, rather than including common.gypi explicitly in all our gyp
# files, so that gyp files we use but do not maintain (e.g.,
# third_party/externals/libjpeg/libjpeg.gyp) will include common.gypi too.
AddInclude(os.path.join(gyp_config_dir, 'common.gypi'))
return result
# Return the directory where all the build files are to be written.
def get_output_dir():
# SKIA_OUT can be any directory either as a child of the standard out/
# directory or any given location on the file system (e.g. /tmp/skia)
output_dir = os.getenv('SKIA_OUT')
if not output_dir:
return os.path.join(os.path.abspath(script_dir), 'out')
if (sys.platform.startswith('darwin') and
(not os.getenv(ENVVAR_GYP_GENERATORS) or
'xcode' in os.getenv(ENVVAR_GYP_GENERATORS))):
print 'ERROR: variable SKIA_OUT is not valid on Mac (using xcodebuild)'
sys.exit(-1);
if os.path.isabs(output_dir):
return output_dir
else:
return os.path.join(os.path.abspath(script_dir), output_dir)
if __name__ == '__main__':
args = sys.argv[1:]
if not os.getenv(ENVVAR_GYP_GENERATORS):
print ('%s environment variable not set, using default' %
ENVVAR_GYP_GENERATORS)
if sys.platform.startswith('darwin'):
default_gyp_generators = 'ninja,xcode'
elif sys.platform.startswith('win'):
default_gyp_generators = 'ninja,msvs-ninja'
elif sys.platform.startswith('cygwin'):
default_gyp_generators = 'ninja,msvs-ninja'
else:
default_gyp_generators = 'ninja'
os.environ[ENVVAR_GYP_GENERATORS] = default_gyp_generators
print '%s is "%s"' % (ENVVAR_GYP_GENERATORS, os.getenv(ENVVAR_GYP_GENERATORS))
# 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 http://b.corp.google.com/issue?id=5019517 ('Linux make build
# (from out dir) no longer runs skia_gyp correctly')
os.chdir(os.path.abspath(script_dir))
# 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
break
# 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.append('skia.gyp')
args.extend(['-I' + i for i in additional_include_files(args)])
args.extend(['--depth', '.'])
# Tell gyp to write the build files into output_dir.
args.extend(['--generator-output', os.path.abspath(get_output_dir())])
# Tell ninja to write its output into the same directory.
args.extend(['-Goutput_dir=.'])
# By default, we build 'most' instead of 'all' or 'everything'. See skia.gyp.
args.extend(['-Gdefault_target=most'])
# Fail if any files specified in the project are missing
if sys.platform.startswith('win'):
gyp_generator_flags = os.getenv(ENVVAR_GYP_GENERATOR_FLAGS, '')
if not 'msvs_error_on_missing_sources' in gyp_generator_flags:
os.environ[ENVVAR_GYP_GENERATOR_FLAGS] = (
gyp_generator_flags + ' msvs_error_on_missing_sources=1')
# GYP is very conservative about how many concurrent linker calls it allows,
# to fit in RAM. We don't need to be nearly as conservative as Chrome. We'll
# just turn that feature off.
os.environ['GYP_LINK_CONCURRENCY'] = '9001'
print 'Updating projects from gyp files...'
sys.stdout.flush()
if '--dry-run' in args:
args.remove('--dry-run')
print gyp_source_dir, ' '.join(args)
else:
# Off we go...
sys.exit(gyp.main(args))