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Linux: Don't generate GN configs for missing sysroots

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This commit is contained in:
Marshall Greenblatt
2016-10-17 14:00:03 -04:00
parent 95973a7c1d
commit b338bf9392
1 changed files with 44 additions and 15 deletions
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59
tools/gn_args.py
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@@ -6,6 +6,11 @@ import os
import shlex
import sys
# The CEF directory is the parent directory of _this_ script.
cef_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
# The src directory is the parent directory of the CEF directory.
src_dir = os.path.abspath(os.path.join(cef_dir, os.pardir))
# Determine the platform.
if sys.platform == 'win32':
platform = 'windows'
@@ -308,6 +313,24 @@ def GetConfigArgs(args, is_debug, cpu):
ValidateArgs(result)
return result
def LinuxSysrootExists(cpu):
"""
Returns true if the sysroot for the specified |cpu| architecture exists.
"""
# Directory that contains sysroots.
sysroot_root = os.path.join(src_dir, 'build', 'linux')
# CPU-specific sysroot directory names.
if cpu == 'x86':
sysroot_name = 'debian_wheezy_i386-sysroot'
elif cpu == 'x64':
sysroot_name = 'debian_wheezy_amd64-sysroot'
elif cpu == 'arm':
sysroot_name = 'debian_wheezy_arm-sysroot'
else:
raise Exception('Unrecognized sysroot CPU: %s' % cpu)
return os.path.isdir(os.path.join(sysroot_root, sysroot_name))
def GetAllPlatformConfigs(build_args):
"""
Return a map of directory name to GN args for the current platform.
@@ -318,30 +341,36 @@ def GetAllPlatformConfigs(build_args):
args = GetMergedArgs(build_args)
create_debug = True
if platform == 'linux':
use_sysroot = GetArgValue(args, 'use_sysroot')
# Don't create debug directories for asan builds.
if GetArgValue(args, 'is_asan'):
create_debug = False
msg('Not generating Debug configuration due to is_asan=true')
# Always create x64 configs.
if create_debug:
result['Debug_GN_x64'] = GetConfigArgs(args, True, 'x64')
result['Release_GN_x64'] = GetConfigArgs(args, False, 'x64')
supported_cpus = []
# Create x86 configs on Windows and on Linux when using the sysroot.
if platform == 'windows' or (platform == 'linux' and use_sysroot):
if create_debug:
result['Debug_GN_x86'] = GetConfigArgs(args, True, 'x86')
result['Release_GN_x86'] = GetConfigArgs(args, False, 'x86')
if platform == 'linux':
use_sysroot = GetArgValue(args, 'use_sysroot')
if use_sysroot:
# Only generate configurations for sysroots that have been installed.
for cpu in ('x86', 'x64', 'arm'):
if LinuxSysrootExists(cpu):
supported_cpus.append(cpu)
else:
msg('Not generating %s configuration due to missing sysroot directory' % cpu)
else:
supported_cpus = ['x64']
elif platform == 'windows':
supported_cpus = ['x86', 'x64']
elif platform == 'macosx':
supported_cpus = ['x64']
else:
raise Exception('Unsupported platform')
# Create arm configs on Linux when using the sysroot.
if platform == 'linux' and use_sysroot:
for cpu in supported_cpus:
if create_debug:
result['Debug_GN_arm'] = GetConfigArgs(args, True, 'arm')
result['Release_GN_arm'] = GetConfigArgs(args, False, 'arm')
result['Debug_GN_' + cpu] = GetConfigArgs(args, True, cpu)
result['Release_GN_' + cpu] = GetConfigArgs(args, False, cpu)
return result