def SetEnvironment():
"""Sets defaults for GYP_* variables."""
gyp_helper.apply_chromium_gyp_env()
# Default to ninja on linux and windows, but only if no generator has
# explicitly been set.
# Also default to ninja on mac, but only when not building chrome/ios.
# . -f / --format has precedence over the env var, no need to check for it
# . set the env var only if it hasn't been set yet
# . chromium.gyp_env has been applied to os.environ at this point already
if sys.platform.startswith(('linux', 'win', 'freebsd')) and \
not os.environ.get('GYP_GENERATORS'):
os.environ['GYP_GENERATORS'] = 'ninja'
elif sys.platform == 'darwin' and not os.environ.get('GYP_GENERATORS') and \
not 'OS=ios' in os.environ.get('GYP_DEFINES', []):
os.environ['GYP_GENERATORS'] = 'ninja'
vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
mac_toolchain_dir = mac_toolchain.GetToolchainDirectory()
if mac_toolchain_dir:
os.environ['DEVELOPER_DIR'] = mac_toolchain_dir
def main():
# Disabling garbage collection saves about 1 second out of 16 on a Linux
# z620 workstation. Since this is a short-lived process it's not a problem to
# leak a few cyclyc references in order to spare the CPU cycles for
# scanning the heap.
gc.disable()
args = sys.argv[1:]
use_analyzer = len(args) and args[0] == '--analyzer'
if use_analyzer:
args.pop(0)
os.environ['GYP_GENERATORS'] = 'analyzer'
args.append('-Gconfig_path=' + args.pop(0))
args.append('-Ganalyzer_output_path=' + args.pop(0))
gyp_chromium_no_action = os.environ.get('GYP_CHROMIUM_NO_ACTION')
if gyp_chromium_no_action == '1':
print 'Skipping gyp_chromium due to GYP_CHROMIUM_NO_ACTION env var.'
sys.exit(0)
# Use the Psyco JIT if available.
if psyco:
psyco.profile()
print "Enabled Psyco JIT."
# Fall back on hermetic python if we happen to get run under cygwin.
# TODO(bradnelson): take this out once this issue is fixed:
# http://code.google.com/p/gyp/issues/detail?id=177
if sys.platform == 'cygwin':
import find_depot_tools
depot_tools_path = find_depot_tools.add_depot_tools_to_path()
python_dir = sorted(
glob.glob(os.path.join(depot_tools_path, 'python2*_bin')))[-1]
env = os.environ.copy()
env['PATH'] = python_dir + os.pathsep + env.get('PATH', '')
cmd = [os.path.join(python_dir, 'python.exe')] + sys.argv
sys.exit(subprocess.call(cmd, env=env))
# This could give false positives since it doesn't actually do real option
# parsing. Oh well.
gyp_file_specified = any(arg.endswith('.gyp') for arg in args)
gyp_environment.SetEnvironment()
# If we didn't get a file, check an env var, and then fall back to
# assuming 'all.gyp' from the same directory as the script.
if not gyp_file_specified:
gyp_file = os.environ.get('CHROMIUM_GYP_FILE')
if gyp_file:
# Note that CHROMIUM_GYP_FILE values can't have backslashes as
# path separators even on Windows due to the use of shlex.split().
args.extend(shlex.split(gyp_file))
else:
args.append(os.path.join(script_dir, 'all.gyp'))
supplemental_includes = GetSupplementalFiles()
gyp_vars_dict = GetGypVars(supplemental_includes)
# There shouldn't be a circular dependency relationship between .gyp files,
# but in Chromium's .gyp files, on non-Mac platforms, circular relationships
# currently exist. The check for circular dependencies is currently
# bypassed on other platforms, but is left enabled on iOS, where a violation
# of the rule causes Xcode to misbehave badly.
# TODO(mark): Find and kill remaining circular dependencies, and remove this
# option. http://crbug.com/35878.
# TODO(tc): Fix circular dependencies in ChromiumOS then add linux2 to the
# list.
if gyp_vars_dict.get('OS') != 'ios':
args.append('--no-circular-check')
# libtool on Mac warns about duplicate basenames in static libraries, so
# they're disallowed in general by gyp. We are lax on this point, so disable
# this check other than on Mac. GN does not use static libraries as heavily,
# so over time this restriction will mostly go away anyway, even on Mac.
# https://code.google.com/p/gyp/issues/detail?id=384
if sys.platform != 'darwin':
args.append('--no-duplicate-basename-check')
# We explicitly don't support the make gyp generator (crbug.com/348686). Be
# nice and fail here, rather than choking in gyp.
if re.search(r'(^|,|\s)make($|,|\s)', os.environ.get('GYP_GENERATORS',
'')):
print 'Error: make gyp generator not supported (check GYP_GENERATORS).'
sys.exit(1)
# We explicitly don't support the native msvs gyp generator. Be nice and
# fail here, rather than generating broken projects.
if re.search(r'(^|,|\s)msvs($|,|\s)', os.environ.get('GYP_GENERATORS',
'')):
print 'Error: msvs gyp generator not supported (check GYP_GENERATORS).'
print 'Did you mean to use the `msvs-ninja` generator?'
sys.exit(1)
# We explicitly don't support the native xcode gyp generator. Be nice and
# fail here, rather than generating broken projects.
if re.search(r'(^|,|\s)xcode($|,|\s)',
os.environ.get('GYP_GENERATORS', '')):
print 'Error: xcode gyp generator not supported (check GYP_GENERATORS).'
print 'Did you mean to use the `xcode-ninja` generator?'
sys.exit(1)
# If CHROMIUM_GYP_SYNTAX_CHECK is set to 1, it will invoke gyp with --check
# to enfore syntax checking.
syntax_check = os.environ.get('CHROMIUM_GYP_SYNTAX_CHECK')
if syntax_check and int(syntax_check):
args.append('--check')
# TODO(dmikurube): Remove these checks and messages after a while.
if ('linux_use_tcmalloc' in gyp_vars_dict
or 'android_use_tcmalloc' in gyp_vars_dict):
print '*****************************************************************'
print '"linux_use_tcmalloc" and "android_use_tcmalloc" are deprecated!'
print '-----------------------------------------------------------------'
print 'You specify "linux_use_tcmalloc" or "android_use_tcmalloc" in'
print 'your GYP_DEFINES. Please switch them into "use_allocator" now.'
print 'See http://crbug.com/345554 for the details.'
print '*****************************************************************'
# Automatically turn on crosscompile support for platforms that need it.
# (The Chrome OS build sets CC_host / CC_target which implicitly enables
# this mode.)
if all(('ninja' in os.environ.get('GYP_GENERATORS',
''), gyp_vars_dict.get('OS')
in ['android', 'ios'], 'GYP_CROSSCOMPILE' not in os.environ)):
os.environ['GYP_CROSSCOMPILE'] = '1'
if gyp_vars_dict.get('OS') == 'android':
args.append('--check')
args.extend([
'-I' + i for i in additional_include_files(supplemental_includes, args)
])
args.extend(['-D', 'gyp_output_dir=' + GetOutputDirectory()])
mac_toolchain_dir = mac_toolchain.GetToolchainDirectory()
if mac_toolchain_dir:
args.append('-Gmac_toolchain_dir=' + mac_toolchain_dir)
mac_toolchain.SetToolchainEnvironment()
running_as_hook = '--running-as-hook'
if running_as_hook in args and gyp_chromium_no_action != '0':
print 'GYP is now disabled by default in runhooks.\n'
print 'If you really want to run this, either run '
print '`python build/gyp_chromium.py` explicitly by hand'
print 'or set the environment variable GYP_CHROMIUM_NO_ACTION=0.'
sys.exit(0)
if running_as_hook in args:
args.remove(running_as_hook)
if not use_analyzer:
print 'Updating projects from gyp files...'
sys.stdout.flush()
# Off we go...
gyp_rc = gyp.main(args)
if gyp_rc == 0 and not use_analyzer:
vs2013_runtime_dll_dirs = vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs(
)
if vs2013_runtime_dll_dirs:
x64_runtime, x86_runtime = vs2013_runtime_dll_dirs
vs_toolchain.CopyVsRuntimeDlls(
os.path.join(chrome_src, GetOutputDirectory()),
(x86_runtime, x64_runtime))
sys.exit(gyp_rc)