chromium-src-build/common.gypi

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Python

# Copyright (c) 2010 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# IMPORTANT:
# Please don't directly include this file if you are building via gyp_chromium,
# since gyp_chromium is automatically forcing its inclusion.
{
'variables': {
# .gyp files or targets should set chromium_code to 1 if they build
# Chromium-specific code, as opposed to external code. This variable is
# used to control such things as the set of warnings to enable, and
# whether warnings are treated as errors.
'chromium_code%': 0,
'internal_pdf%': 0,
# This allows to use libcros from the current system, ie. /usr/lib/
# The cros_api will be pulled in as a static library, and all headers
# from the system include dirs.
'system_libcros%': '0',
# Variables expected to be overriden on the GYP command line (-D) or by
# ~/.gyp/include.gypi.
# Putting a variables dict inside another variables dict looks kind of
# weird. This is done so that "branding" and "buildtype" are defined as
# variables within the outer variables dict here. This is necessary
# to get these variables defined for the conditions within this variables
# dict that operate on these variables.
'variables': {
# Override branding to select the desired branding flavor.
'branding%': 'Chromium',
# Override buildtype to select the desired build flavor.
# Dev - everyday build for development/testing
# Official - release build (generally implies additional processing)
# TODO(mmoss) Once 'buildtype' is fully supported (e.g. Windows gyp
# conversion is done), some of the things which are now controlled by
# 'branding', such as symbol generation, will need to be refactored based
# on 'buildtype' (i.e. we don't care about saving symbols for non-Official
# builds).
'buildtype%': 'Dev',
'variables': {
# Compute the architecture that we're building on.
'conditions': [
[ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
# This handles the Linux platforms we generally deal with. Anything
# else gets passed through, which probably won't work very well; such
# hosts should pass an explicit target_arch to gyp.
'host_arch%':
'<!(uname -m | sed -e "s/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/")',
}, { # OS!="linux"
'host_arch%': 'ia32',
}],
],
# Whether we're building a ChromeOS build. We set the initial
# value at this level of nesting so it's available for the
# toolkit_views test below.
'chromeos%': '0',
# To do a shared build on linux we need to be able to choose between
# type static_library and shared_library. We default to doing a static
# build but you can override this with "gyp -Dlibrary=shared_library"
# or you can add the following line (without the #) to
# ~/.gyp/include.gypi {'variables': {'library': 'shared_library'}}
# to compile as shared by default
'library%': 'static_library',
},
# Set default value of toolkit_views on for Windows and Chrome OS.
# We set it at this level of nesting so the value is available for
# other conditionals below.
'conditions': [
['OS=="win" or chromeos==1', {
'toolkit_views%': 1,
}, {
'toolkit_views%': 0,
}],
],
'host_arch%': '<(host_arch)',
# Default architecture we're building for is the architecture we're
# building on.
'target_arch%': '<(host_arch)',
# We do want to build Chromium with Breakpad support in certain
# situations. I.e. for Chrome bot.
'linux_chromium_breakpad%': 0,
# And if we want to dump symbols.
'linux_chromium_dump_symbols%': 0,
# Also see linux_strip_binary below.
# Copy conditionally-set chromeos variable out one scope.
'chromeos%': '<(chromeos)',
# This variable tells WebCore.gyp and JavaScriptCore.gyp whether they are
# are built under a chromium full build (1) or a webkit.org chromium
# build (0).
'inside_chromium_build%': 1,
# Set to 1 to enable fast builds. It disables debug info for fastest
# compilation.
'fastbuild%': 0,
# Set to 1 compile with -fPIC cflag on linux. This is a must for shared
# libraries on linux x86-64 and arm.
'linux_fpic%': 0,
# Python version.
'python_ver%': '2.5',
# Set ARM-v7 compilation flags
'armv7%': 0,
# Set Neon compilation flags (only meaningful if armv7==1).
'arm_neon%': 1,
# The system root for cross-compiles. Default: none.
'sysroot%': '',
# On Linux, we build with sse2 for Chromium builds.
'disable_sse2%': 0,
# Remoting compilation is enabled by default. Set to 0 to disable.
'remoting%': 1,
'library%': '<(library)',
# Variable 'component' is for cases where we would like to build some
# components as dynamic shared libraries but still need variable
# 'library' for static libraries.
# By default, component is set to whatever library is set to and
# it can be overriden by the GYP command line or by ~/.gyp/include.gypi.
'component%': '<(library)',
},
# Define branding and buildtype on the basis of their settings within the
# variables sub-dict above, unless overridden.
'branding%': '<(branding)',
'buildtype%': '<(buildtype)',
'target_arch%': '<(target_arch)',
'host_arch%': '<(host_arch)',
'toolkit_views%': '<(toolkit_views)',
'chromeos%': '<(chromeos)',
'inside_chromium_build%': '<(inside_chromium_build)',
'fastbuild%': '<(fastbuild)',
'linux_fpic%': '<(linux_fpic)',
'python_ver%': '<(python_ver)',
'armv7%': '<(armv7)',
'arm_neon%': '<(arm_neon)',
'sysroot%': '<(sysroot)',
'disable_sse2%': '<(disable_sse2)',
'remoting%': '<(remoting)',
'library%': '<(library)',
'component%': '<(component)',
# The release channel that this build targets. This is used to restrict
# channel-specific build options, like which installer packages to create.
# The default is 'all', which does no channel-specific filtering.
'channel%': 'all',
# Override chromium_mac_pch and set it to 0 to suppress the use of
# precompiled headers on the Mac. Prefix header injection may still be
# used, but prefix headers will not be precompiled. This is useful when
# using distcc to distribute a build to compile slaves that don't
# share the same compiler executable as the system driving the compilation,
# because precompiled headers rely on pointers into a specific compiler
# executable's image. Setting this to 0 is needed to use an experimental
# Linux-Mac cross compiler distcc farm.
'chromium_mac_pch%': 1,
# Mac OS X SDK and deployment target support.
# The SDK identifies the version of the system headers that will be used,
# and corresponds to the MAC_OS_X_VERSION_MAX_ALLOWED compile-time macro.
# "Maximum allowed" refers to the operating system version whose APIs are
# available in the headers.
# The deployment target identifies the minimum system version that the
# built products are expected to function on. It corresponds to the
# MAC_OS_X_VERSION_MIN_REQUIRED compile-time macro.
# To ensure these macros are available, #include <AvailabilityMacros.h>.
# Additional documentation on these macros is available at
# http://developer.apple.com/mac/library/technotes/tn2002/tn2064.html#SECTION3
# Chrome normally builds with the Mac OS X 10.5 SDK and sets the
# deployment target to 10.5. Other projects, such as O3D, may override
# these defaults.
'mac_sdk%': '10.5',
'mac_deployment_target%': '10.5',
# Set to 1 to enable code coverage. In addition to build changes
# (e.g. extra CFLAGS), also creates a new target in the src/chrome
# project file called "coverage".
# Currently ignored on Windows.
'coverage%': 0,
# Overridable specification for potential use of alternative
# JavaScript engines.
'javascript_engine%': 'v8',
# Although base/allocator lets you select a heap library via an
# environment variable, the libcmt shim it uses sometimes gets in
# the way. To disable it entirely, and switch to normal msvcrt, do e.g.
# 'win_use_allocator_shim': 0,
# 'win_release_RuntimeLibrary': 2
# to ~/.gyp/include.gypi, gclient runhooks --force, and do a release build.
'win_use_allocator_shim%': 1, # 1 = shim allocator via libcmt; 0 = msvcrt
# Whether usage of OpenMAX is enabled.
'enable_openmax%': 0,
# Whether proprietary audio/video codecs are assumed to be included with
# this build (only meaningful if branding!=Chrome).
'proprietary_codecs%': 0,
# TODO(bradnelson): eliminate this when possible.
# To allow local gyp files to prevent release.vsprops from being included.
# Yes(1) means include release.vsprops.
# Once all vsprops settings are migrated into gyp, this can go away.
'msvs_use_common_release%': 1,
# TODO(bradnelson): eliminate this when possible.
# To allow local gyp files to override additional linker options for msvs.
# Yes(1) means set use the common linker options.
'msvs_use_common_linker_extras%': 1,
# TODO(sgk): eliminate this if possible.
# It would be nicer to support this via a setting in 'target_defaults'
# in chrome/app/locales/locales.gypi overriding the setting in the
# 'Debug' configuration in the 'target_defaults' dict below,
# but that doesn't work as we'd like.
'msvs_debug_link_incremental%': '2',
# This is the location of the sandbox binary. Chrome looks for this before
# running the zygote process. If found, and SUID, it will be used to
# sandbox the zygote process and, thus, all renderer processes.
'linux_sandbox_path%': '',
# Set this to true to enable SELinux support.
'selinux%': 0,
# Strip the binary after dumping symbols.
'linux_strip_binary%': 0,
# Enable TCMalloc.
'linux_use_tcmalloc%': 1,
# Disable TCMalloc's debugallocation.
'linux_use_debugallocation%': 0,
# Disable TCMalloc's heapchecker.
'linux_use_heapchecker%': 0,
# Set to 1 to turn on seccomp sandbox by default.
# (Note: this is ignored for official builds.)
'linux_use_seccomp_sandbox%': 0,
# Set to 1 to link against libgnome-keyring instead of using dlopen().
'linux_link_gnome_keyring%': 0,
# Set to select the Title Case versions of strings in GRD files.
'use_titlecase_in_grd_files%': 0,
# Used to disable Native Client at compile time, for platforms where it
# isn't supported
'disable_nacl%': 0,
# Set Thumb compilation flags.
'arm_thumb%': 0,
# Set ARM fpu compilation flags (only meaningful if armv7==1 and
# arm_neon==0).
'arm_fpu%': 'vfpv3',
# Enable new NPDevice API.
'enable_new_npdevice_api%': 0,
# Enable EGLImage support in OpenMAX
'enable_eglimage%': 0,
# Enable a variable used elsewhere throughout the GYP files to determine
# whether to compile in the sources for the GPU plugin / process.
'enable_gpu%': 1,
'conditions': [
['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
# This will set gcc_version to XY if you are running gcc X.Y.*.
# This is used to tweak build flags for gcc 4.4.
'gcc_version%': '<!(python <(DEPTH)/build/compiler_version.py)',
# Figure out the python architecture to decide if we build pyauto.
'python_arch%': '<!(<(DEPTH)/build/linux/python_arch.sh <(sysroot)/usr/lib/libpython<(python_ver).so.1.0)',
'conditions': [
['branding=="Chrome" or linux_chromium_breakpad==1', {
'linux_breakpad%': 1,
}, {
'linux_breakpad%': 0,
}],
# All Chrome builds have breakpad symbols, but only process the
# symbols from official builds.
# TODO(mmoss) dump_syms segfaults on x64. Enable once dump_syms and
# crash server handle 64-bit symbols.
['linux_chromium_dump_symbols==1 or '
'(branding=="Chrome" and buildtype=="Official" and '
'target_arch=="ia32")', {
'linux_dump_symbols%': 1,
}, {
'linux_dump_symbols%': 0,
}],
['toolkit_views==0', {
# GTK wants Title Case strings
'use_titlecase_in_grd_files%': 1,
}],
],
}], # OS=="linux" or OS=="freebsd" or OS=="openbsd"
['OS=="mac"', {
# Mac wants Title Case strings
'use_titlecase_in_grd_files%': 1,
'conditions': [
# mac_product_name is set to the name of the .app bundle as it should
# appear on disk. This duplicates data from
# chrome/app/theme/chromium/BRANDING and
# chrome/app/theme/google_chrome/BRANDING, but is necessary to get
# these names into the build system.
['branding=="Chrome"', {
'mac_product_name%': 'Google Chrome',
}, { # else: branding!="Chrome"
'mac_product_name%': 'Chromium',
}],
# Feature variables for enabling Mac Breakpad and Keystone auto-update
# support. Both features are on by default in official builds with
# Chrome branding.
['branding=="Chrome" and buildtype=="Official"', {
'mac_breakpad%': 1,
'mac_keystone%': 1,
}, { # else: branding!="Chrome" or buildtype!="Official"
'mac_breakpad%': 0,
'mac_keystone%': 0,
}],
],
}], # OS=="mac"
# Whether to use multiple cores to compile with visual studio. This is
# optional because it sometimes causes corruption on VS 2005.
# It is on by default on VS 2008 and off on VS 2005.
['OS=="win"', {
'conditions': [
['component=="shared_library"', {
'win_use_allocator_shim%': 0,
}],
['MSVS_VERSION=="2005"', {
'msvs_multi_core_compile%': 0,
},{
'msvs_multi_core_compile%': 1,
}],
# Don't do incremental linking for large modules on 32-bit.
['MSVS_OS_BITS==32', {
'msvs_large_module_debug_link_mode%': '1', # No
},{
'msvs_large_module_debug_link_mode%': '2', # Yes
}],
],
'nacl_win64_defines': [
# This flag is used to minimize dependencies when building
# Native Client loader for 64-bit Windows.
'NACL_WIN64',
],
}],
],
# NOTE: When these end up in the Mac bundle, we need to replace '-' for '_'
# so Cocoa is happy (http://crbug.com/20441).
'locales': [
'am', 'ar', 'bg', 'bn', 'ca', 'cs', 'da', 'de', 'el', 'en-GB',
'en-US', 'es-419', 'es', 'et', 'fi', 'fil', 'fr', 'gu', 'he',
'hi', 'hr', 'hu', 'id', 'it', 'ja', 'kn', 'ko', 'lt', 'lv',
'ml', 'mr', 'nb', 'nl', 'pl', 'pt-BR', 'pt-PT', 'ro', 'ru',
'sk', 'sl', 'sr', 'sv', 'sw', 'ta', 'te', 'th', 'tr', 'uk',
'vi', 'zh-CN', 'zh-TW',
],
# Disable touch support by default.
'touchui%': 0,
},
'target_defaults': {
'variables': {
# The condition that operates on chromium_code is in a target_conditions
# section, and will not have access to the default fallback value of
# chromium_code at the top of this file, or to the chromium_code
# variable placed at the root variables scope of .gyp files, because
# those variables are not set at target scope. As a workaround,
# if chromium_code is not set at target scope, define it in target scope
# to contain whatever value it has during early variable expansion.
# That's enough to make it available during target conditional
# processing.
'chromium_code%': '<(chromium_code)',
# See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Optimize-Options.html
'mac_release_optimization%': '3', # Use -O3 unless overridden
'mac_debug_optimization%': '0', # Use -O0 unless overridden
# See http://msdn.microsoft.com/en-us/library/aa652360(VS.71).aspx
'win_release_Optimization%': '2', # 2 = /Os
'win_debug_Optimization%': '0', # 0 = /Od
# See http://msdn.microsoft.com/en-us/library/8wtf2dfz(VS.71).aspx
'win_debug_RuntimeChecks%': '3', # 3 = all checks enabled, 0 = off
# See http://msdn.microsoft.com/en-us/library/47238hez(VS.71).aspx
'win_debug_InlineFunctionExpansion%': '', # empty = default, 0 = off,
'win_release_InlineFunctionExpansion%': '2', # 1 = only __inline, 2 = max
'release_extra_cflags%': '',
'debug_extra_cflags%': '',
'release_valgrind_build%': 0,
'conditions': [
['OS=="win" and component=="shared_library"', {
# See http://msdn.microsoft.com/en-us/library/aa652367.aspx
'win_release_RuntimeLibrary%': '2', # 2 = /MT (nondebug DLL)
'win_debug_RuntimeLibrary%': '3', # 3 = /MTd (debug DLL)
}, {
# See http://msdn.microsoft.com/en-us/library/aa652367.aspx
'win_release_RuntimeLibrary%': '0', # 0 = /MT (nondebug static)
'win_debug_RuntimeLibrary%': '1', # 1 = /MTd (debug static)
}],
],
},
'conditions': [
['branding=="Chrome"', {
'defines': ['GOOGLE_CHROME_BUILD'],
}, { # else: branding!="Chrome"
'defines': ['CHROMIUM_BUILD'],
}],
['toolkit_views==1', {
'defines': ['TOOLKIT_VIEWS=1'],
}],
['chromeos==1', {
'defines': ['OS_CHROMEOS=1'],
}],
['touchui==1', {
'defines': ['TOUCH_UI=1'],
}],
['remoting==1', {
'defines': ['ENABLE_REMOTING=1'],
}],
['proprietary_codecs==1', {
'defines': ['USE_PROPRIETARY_CODECS'],
}],
['fastbuild!=0', {
'conditions': [
# For Windows, we don't genererate debug information.
['OS=="win"', {
'msvs_settings': {
'VCLinkerTool': {
'GenerateDebugInformation': 'false',
},
'VCCLCompilerTool': {
'DebugInformationFormat': '0',
}
}
}, { # else: OS != "win", generate less debug information.
'variables': {
'debug_extra_cflags': '-g1',
},
}],
], # conditions for fastbuild.
}], # fastbuild!=0
['selinux==1', {
'defines': ['CHROMIUM_SELINUX=1'],
}],
['win_use_allocator_shim==0', {
'conditions': [
['OS=="win"', {
'defines': ['NO_TCMALLOC'],
}],
],
}],
['enable_gpu==1', {
'defines': [
'ENABLE_GPU=1',
],
}],
['enable_eglimage==1', {
'defines': [
'ENABLE_EGLIMAGE=1',
],
}],
['coverage!=0', {
'conditions': [
['OS=="mac"', {
'xcode_settings': {
'GCC_INSTRUMENT_PROGRAM_FLOW_ARCS': 'YES', # -fprofile-arcs
'GCC_GENERATE_TEST_COVERAGE_FILES': 'YES', # -ftest-coverage
},
# Add -lgcov for types executable, shared_library, and
# loadable_module; not for static_library.
# This is a delayed conditional.
'target_conditions': [
['_type!="static_library"', {
'xcode_settings': { 'OTHER_LDFLAGS': [ '-lgcov' ] },
}],
],
}],
# Linux gyp (into scons) doesn't like target_conditions?
# TODO(???): track down why 'target_conditions' doesn't work
# on Linux gyp into scons like it does on Mac gyp into xcodeproj.
['OS=="linux"', {
'cflags': [ '-ftest-coverage',
'-fprofile-arcs' ],
'link_settings': { 'libraries': [ '-lgcov' ] },
}],
# Finally, for Windows, we simply turn on profiling.
['OS=="win"', {
'msvs_settings': {
'VCLinkerTool': {
'Profile': 'true',
},
'VCCLCompilerTool': {
# /Z7, not /Zi, so coverage is happyb
'DebugInformationFormat': '1',
'AdditionalOptions': ['/Yd'],
}
}
}], # OS==win
], # conditions for coverage
}], # coverage!=0
], # conditions for 'target_defaults'
'target_conditions': [
['chromium_code==0', {
'conditions': [
[ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
'cflags!': [
'-Wall',
'-Wextra',
'-Werror',
],
}],
[ 'OS=="win"', {
'defines': [
'_CRT_SECURE_NO_DEPRECATE',
'_CRT_NONSTDC_NO_WARNINGS',
'_CRT_NONSTDC_NO_DEPRECATE',
'_SCL_SECURE_NO_DEPRECATE',
],
'msvs_disabled_warnings': [4800],
'msvs_settings': {
'VCCLCompilerTool': {
'WarnAsError': 'false',
'Detect64BitPortabilityProblems': 'false',
},
},
}],
[ 'OS=="mac"', {
'xcode_settings': {
'GCC_TREAT_WARNINGS_AS_ERRORS': 'NO',
'WARNING_CFLAGS!': ['-Wall', '-Wextra'],
},
}],
],
}, {
# In Chromium code, we define __STDC_FORMAT_MACROS in order to get the
# C99 macros on Mac and Linux.
'defines': [
'__STDC_FORMAT_MACROS',
],
'conditions': [
['OS!="win"', {
'sources/': [ ['exclude', '_win(_unittest)?\\.cc$'],
['exclude', '/win/'],
['exclude', '/win_[^/]*\\.cc$'] ],
}],
['OS!="mac"', {
'sources/': [ ['exclude', '_(cocoa|mac)(_unittest)?\\.cc$'],
['exclude', '/(cocoa|mac)/'],
['exclude', '\.mm?$' ] ],
}],
['OS!="linux" and OS!="freebsd" and OS!="openbsd"', {
'sources/': [
['exclude', '_(chromeos|gtk|x|x11|xdg)(_unittest)?\\.cc$'],
['exclude', '/gtk/'],
['exclude', '/(gtk|x11)_[^/]*\\.cc$'],
],
}],
['OS!="linux"', {
'sources/': [
['exclude', '_linux(_unittest)?\\.cc$'],
['exclude', '/linux/'],
],
}],
# We use "POSIX" to refer to all non-Windows operating systems.
['OS=="win"', {
'sources/': [ ['exclude', '_posix\\.cc$'] ],
# turn on warnings for signed/unsigned mismatch on chromium code.
'msvs_settings': {
'VCCLCompilerTool': {
'AdditionalOptions': ['/we4389'],
},
},
}],
['chromeos!=1', {
'sources/': [ ['exclude', '_chromeos\\.cc$'] ]
}],
['toolkit_views==0', {
'sources/': [ ['exclude', '_views\\.cc$'] ]
}],
],
}],
], # target_conditions for 'target_defaults'
'default_configuration': 'Debug',
'configurations': {
# VCLinkerTool LinkIncremental values below:
# 0 == default
# 1 == /INCREMENTAL:NO
# 2 == /INCREMENTAL
# Debug links incremental, Release does not.
#
# Abstract base configurations to cover common
# attributes.
#
'Common_Base': {
'abstract': 1,
'msvs_configuration_attributes': {
'OutputDirectory': '$(SolutionDir)$(ConfigurationName)',
'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
'CharacterSet': '1',
},
},
'x86_Base': {
'abstract': 1,
'msvs_settings': {
'VCLinkerTool': {
'TargetMachine': '1',
},
},
'msvs_configuration_platform': 'Win32',
},
'x64_Base': {
'abstract': 1,
'msvs_configuration_platform': 'x64',
'msvs_settings': {
'VCLinkerTool': {
'TargetMachine': '17', # x86 - 64
'AdditionalLibraryDirectories!':
['<(DEPTH)/third_party/platformsdk_win7/files/Lib'],
'AdditionalLibraryDirectories':
['<(DEPTH)/third_party/platformsdk_win7/files/Lib/x64'],
},
'VCLibrarianTool': {
'AdditionalLibraryDirectories!':
['<(DEPTH)/third_party/platformsdk_win7/files/Lib'],
'AdditionalLibraryDirectories':
['<(DEPTH)/third_party/platformsdk_win7/files/Lib/x64'],
},
},
'defines': [
# Not sure if tcmalloc works on 64-bit Windows.
'NO_TCMALLOC',
],
},
'Debug_Base': {
'abstract': 1,
'defines': ['DYNAMIC_ANNOTATIONS_ENABLED=1'],
'xcode_settings': {
'COPY_PHASE_STRIP': 'NO',
'GCC_OPTIMIZATION_LEVEL': '<(mac_debug_optimization)',
'OTHER_CFLAGS': [ '<@(debug_extra_cflags)', ],
},
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '<(win_debug_Optimization)',
'PreprocessorDefinitions': ['_DEBUG'],
'BasicRuntimeChecks': '<(win_debug_RuntimeChecks)',
'RuntimeLibrary': '<(win_debug_RuntimeLibrary)',
'conditions': [
# According to MSVS, InlineFunctionExpansion=0 means
# "default inlining", not "/Ob0".
# Thus, we have to handle InlineFunctionExpansion==0 separately.
['win_debug_InlineFunctionExpansion==0', {
'AdditionalOptions': ['/Ob0'],
}],
['win_debug_InlineFunctionExpansion!=""', {
'InlineFunctionExpansion':
'<(win_debug_InlineFunctionExpansion)',
}],
],
},
'VCLinkerTool': {
'LinkIncremental': '<(msvs_debug_link_incremental)',
},
'VCResourceCompilerTool': {
'PreprocessorDefinitions': ['_DEBUG'],
},
},
'conditions': [
['OS=="linux"', {
'cflags': [
'<@(debug_extra_cflags)',
],
}],
],
},
'Release_Base': {
'abstract': 1,
'defines': [
'NDEBUG',
],
'xcode_settings': {
'DEAD_CODE_STRIPPING': 'YES', # -Wl,-dead_strip
'GCC_OPTIMIZATION_LEVEL': '<(mac_release_optimization)',
'OTHER_CFLAGS': [ '<@(release_extra_cflags)', ],
},
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '<(win_release_Optimization)',
'RuntimeLibrary': '<(win_release_RuntimeLibrary)',
'conditions': [
# According to MSVS, InlineFunctionExpansion=0 means
# "default inlining", not "/Ob0".
# Thus, we have to handle InlineFunctionExpansion==0 separately.
['win_release_InlineFunctionExpansion==0', {
'AdditionalOptions': ['/Ob0'],
}],
['win_release_InlineFunctionExpansion!=""', {
'InlineFunctionExpansion':
'<(win_release_InlineFunctionExpansion)',
}],
],
},
'VCLinkerTool': {
'LinkIncremental': '1',
},
},
'conditions': [
['release_valgrind_build==0', {
'defines': ['NVALGRIND', 'DYNAMIC_ANNOTATIONS_ENABLED=0'],
}, {
'defines': ['DYNAMIC_ANNOTATIONS_ENABLED=1'],
}],
['win_use_allocator_shim==0', {
'defines': ['NO_TCMALLOC'],
}],
['OS=="linux"', {
'cflags': [
'<@(release_extra_cflags)',
],
}],
],
},
'Purify_Base': {
'abstract': 1,
'defines': [
'PURIFY',
'NO_TCMALLOC',
],
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '0',
'RuntimeLibrary': '0',
'BufferSecurityCheck': 'false',
},
'VCLinkerTool': {
'EnableCOMDATFolding': '1',
'LinkIncremental': '1',
},
},
},
#
# Concrete configurations
#
'Debug': {
'inherit_from': ['Common_Base', 'x86_Base', 'Debug_Base'],
},
'Release': {
'inherit_from': ['Common_Base', 'x86_Base', 'Release_Base'],
'conditions': [
['msvs_use_common_release', {
'includes': ['release.gypi'],
}],
]
},
'conditions': [
[ 'OS=="win"', {
# TODO(bradnelson): add a gyp mechanism to make this more graceful.
'Purify': {
'inherit_from': ['Common_Base', 'x86_Base', 'Release_Base', 'Purify'],
},
'Debug_x64': {
'inherit_from': ['Common_Base', 'x64_Base', 'Debug_Base'],
},
'Release_x64': {
'inherit_from': ['Common_Base', 'x64_Base', 'Release_Base'],
},
'Purify_x64': {
'inherit_from': ['Common_Base', 'x64_Base', 'Release_Base', 'Purify_Base'],
},
}],
],
},
},
'conditions': [
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
'target_defaults': {
# Enable -Werror by default, but put it in a variable so it can
# be disabled in ~/.gyp/include.gypi on the valgrind builders.
'variables': {
# Use -fno-strict-aliasing by default since gcc 4.4 has periodic
# issues that slip through the cracks. We could do this just for
# gcc 4.4 but it makes more sense to be consistent on all
# compilers in use. TODO(Craig): turn this off again when
# there is some 4.4 test infrastructure in place and existing
# aliasing issues have been fixed.
'no_strict_aliasing%': 1,
'conditions': [['OS=="linux"', {'werror%': '-Werror',}],
['OS=="freebsd"', {'werror%': '',}],
['OS=="openbsd"', {'werror%': '',}],
],
},
'cflags': [
'<(werror)', # See note above about the werror variable.
'-pthread',
'-fno-exceptions',
'-Wall',
# TODO(evan): turn this back on once all the builds work.
# '-Wextra',
# Don't warn about unused function params. We use those everywhere.
'-Wno-unused-parameter',
# Don't warn about the "struct foo f = {0};" initialization pattern.
'-Wno-missing-field-initializers',
'-D_FILE_OFFSET_BITS=64',
# Don't export any symbols (for example, to plugins we dlopen()).
# Note: this is *required* to make some plugins work.
'-fvisibility=hidden',
],
'cflags_cc': [
'-fno-rtti',
'-fno-threadsafe-statics',
# Make inline functions have hidden visiblity by default.
# Surprisingly, not covered by -fvisibility=hidden.
'-fvisibility-inlines-hidden',
],
'ldflags': [
'-pthread', '-Wl,-z,noexecstack',
],
'scons_variable_settings': {
'LIBPATH': ['$LIB_DIR'],
# Linking of large files uses lots of RAM, so serialize links
# using the handy flock command from util-linux.
'FLOCK_LINK': ['flock', '$TOP_BUILDDIR/linker.lock', '$LINK'],
'FLOCK_SHLINK': ['flock', '$TOP_BUILDDIR/linker.lock', '$SHLINK'],
'FLOCK_LDMODULE': ['flock', '$TOP_BUILDDIR/linker.lock', '$LDMODULE'],
# We have several cases where archives depend on each other in
# a cyclic fashion. Since the GNU linker does only a single
# pass over the archives we surround the libraries with
# --start-group and --end-group (aka -( and -) ). That causes
# ld to loop over the group until no more undefined symbols
# are found. In an ideal world we would only make groups from
# those libraries which we knew to be in cycles. However,
# that's tough with SCons, so we bodge it by making all the
# archives a group by redefining the linking command here.
#
# TODO: investigate whether we still have cycles that
# require --{start,end}-group. There has been a lot of
# refactoring since this was first coded, which might have
# eliminated the circular dependencies.
#
# Note: $_LIBDIRFLAGS comes before ${LINK,SHLINK,LDMODULE}FLAGS
# so that we prefer our own built libraries (e.g. -lpng) to
# system versions of libraries that pkg-config might turn up.
# TODO(sgk): investigate handling this not by re-ordering the
# flags this way, but by adding a hook to use the SCons
# ParseFlags() option on the output from pkg-config.
'LINKCOM': [['$FLOCK_LINK', '-o', '$TARGET',
'$_LIBDIRFLAGS', '$LINKFLAGS', '$SOURCES',
'-Wl,--start-group', '$_LIBFLAGS', '-Wl,--end-group']],
'SHLINKCOM': [['$FLOCK_SHLINK', '-o', '$TARGET',
'$_LIBDIRFLAGS', '$SHLINKFLAGS', '$SOURCES',
'-Wl,--start-group', '$_LIBFLAGS', '-Wl,--end-group']],
'LDMODULECOM': [['$FLOCK_LDMODULE', '-o', '$TARGET',
'$_LIBDIRFLAGS', '$LDMODULEFLAGS', '$SOURCES',
'-Wl,--start-group', '$_LIBFLAGS', '-Wl,--end-group']],
'IMPLICIT_COMMAND_DEPENDENCIES': 0,
# -rpath is only used when building with shared libraries.
'conditions': [
[ 'library=="shared_library"', {
'RPATH': '$LIB_DIR',
}],
],
},
'scons_import_variables': [
'AS',
'CC',
'CXX',
'LINK',
],
'scons_propagate_variables': [
'AS',
'CC',
'CCACHE_DIR',
'CXX',
'DISTCC_DIR',
'DISTCC_HOSTS',
'HOME',
'INCLUDE_SERVER_ARGS',
'INCLUDE_SERVER_PORT',
'LINK',
'CHROME_BUILD_TYPE',
'CHROMIUM_BUILD',
'OFFICIAL_BUILD',
],
'configurations': {
'Debug_Base': {
'variables': {
'debug_optimize%': '0',
},
'defines': [
'_DEBUG',
],
'cflags': [
'-O>(debug_optimize)',
'-g',
# One can use '-gstabs' to enable building the debugging
# information in STABS format for breakpad's dumpsyms.
],
'ldflags': [
'-rdynamic', # Allows backtrace to resolve symbols.
],
},
'Release_Base': {
'variables': {
'release_optimize%': '2',
# Binaries become big and gold is unable to perform GC
# and remove unused sections for some of test targets
# on 32 bit platform.
# (This is currently observed only in chromeos valgrind bots)
# The following flag is to disable --gc-sections linker
# option for these bots.
'no_gc_sections%': 0,
},
'cflags': [
'-O>(release_optimize)',
# Don't emit the GCC version ident directives, they just end up
# in the .comment section taking up binary size.
'-fno-ident',
# Put data and code in their own sections, so that unused symbols
# can be removed at link time with --gc-sections.
'-fdata-sections',
'-ffunction-sections',
],
'conditions' : [
['no_gc_sections==0', {
'ldflags': [
'-Wl,--gc-sections',
],
}],
]
},
},
'variants': {
'coverage': {
'cflags': ['-fprofile-arcs', '-ftest-coverage'],
'ldflags': ['-fprofile-arcs'],
},
'profile': {
'cflags': ['-pg', '-g'],
'ldflags': ['-pg'],
},
'symbols': {
'cflags': ['-g'],
},
},
'conditions': [
[ 'target_arch=="ia32"', {
'asflags': [
# Needed so that libs with .s files (e.g. libicudata.a)
# are compatible with the general 32-bit-ness.
'-32',
],
# All floating-point computations on x87 happens in 80-bit
# precision. Because the C and C++ language standards allow
# the compiler to keep the floating-point values in higher
# precision than what's specified in the source and doing so
# is more efficient than constantly rounding up to 64-bit or
# 32-bit precision as specified in the source, the compiler,
# especially in the optimized mode, tries very hard to keep
# values in x87 floating-point stack (in 80-bit precision)
# as long as possible. This has important side effects, that
# the real value used in computation may change depending on
# how the compiler did the optimization - that is, the value
# kept in 80-bit is different than the value rounded down to
# 64-bit or 32-bit. There are possible compiler options to make
# this behavior consistent (e.g. -ffloat-store would keep all
# floating-values in the memory, thus force them to be rounded
# to its original precision) but they have significant runtime
# performance penalty.
#
# -mfpmath=sse -msse2 makes the compiler use SSE instructions
# which keep floating-point values in SSE registers in its
# native precision (32-bit for single precision, and 64-bit for
# double precision values). This means the floating-point value
# used during computation does not change depending on how the
# compiler optimized the code, since the value is always kept
# in its specified precision.
'conditions': [
['branding=="Chromium" and disable_sse2==0', {
'cflags': [
'-march=pentium4',
'-msse2',
'-mfpmath=sse',
],
}],
# ChromeOS targets Pinetrail, which is sse3, but most of the
# benefit comes from sse2 so this setting allows ChromeOS
# to build on other CPUs. In the future -march=atom would help
# but requires a newer compiler.
['chromeos==1 and disable_sse2==0', {
'cflags': [
'-msse2',
],
}],
# Install packages have started cropping up with
# different headers between the 32-bit and 64-bit
# versions, so we have to shadow those differences off
# and make sure a 32-bit-on-64-bit build picks up the
# right files.
['host_arch!="ia32"', {
'include_dirs+': [
'/usr/include32',
],
}],
],
# -mmmx allows mmintrin.h to be used for mmx intrinsics.
# video playback is mmx and sse2 optimized.
'cflags': [
'-m32',
'-mmmx',
],
'ldflags': [
'-m32',
],
}],
['target_arch=="arm"', {
'target_conditions': [
['_toolset=="target"', {
'cflags_cc': [
# The codesourcery arm-2009q3 toolchain warns at that the ABI
# has changed whenever it encounters a varargs function. This
# silences those warnings, as they are not helpful and
# clutter legitimate warnings.
'-Wno-abi',
],
'conditions': [
['arm_thumb == 1', {
'cflags': [
'-mthumb',
# TODO(piman): -Wa,-mimplicit-it=thumb is needed for
# inline assembly that uses condition codes but it's
# suboptimal. Better would be to #ifdef __thumb__ at the
# right place and have a separate thumb path.
'-Wa,-mimplicit-it=thumb',
]
}],
['armv7==1', {
'cflags': [
'-march=armv7-a',
'-mtune=cortex-a8',
'-mfloat-abi=softfp',
],
'conditions': [
['arm_neon==1', {
'cflags': [ '-mfpu=neon', ],
}, {
'cflags': [ '-mfpu=<(arm_fpu)', ],
}]
],
}],
],
}],
],
}],
['linux_fpic==1', {
'cflags': [
'-fPIC',
],
}],
['sysroot!=""', {
'target_conditions': [
['_toolset=="target"', {
'cflags': [
'--sysroot=<(sysroot)',
],
'ldflags': [
'--sysroot=<(sysroot)',
],
}]]
}],
['no_strict_aliasing==1', {
'cflags': [
'-fno-strict-aliasing',
],
}],
['linux_breakpad==1', {
'cflags': [ '-gstabs' ],
'defines': ['USE_LINUX_BREAKPAD'],
}],
['linux_use_seccomp_sandbox==1 and buildtype!="Official"', {
'defines': ['USE_SECCOMP_SANDBOX'],
}],
['library=="shared_library"', {
# When building with shared libraries, remove the visiblity-hiding
# flag.
'cflags!': [ '-fvisibility=hidden' ],
'conditions': [
['target_arch=="x64" or target_arch=="arm"', {
# Shared libraries need -fPIC on x86-64 and arm
'cflags': ['-fPIC']
}]
],
}],
['linux_use_heapchecker==1', {
'variables': {'linux_use_tcmalloc%': 1},
}],
['linux_use_tcmalloc==0', {
'defines': ['NO_TCMALLOC'],
}],
['linux_use_heapchecker==0', {
'defines': ['NO_HEAPCHECKER'],
}],
],
},
}],
# FreeBSD-specific options; note that most FreeBSD options are set above,
# with Linux.
['OS=="freebsd"', {
'target_defaults': {
'ldflags': [
'-Wl,--no-keep-memory',
],
},
}],
['OS=="solaris"', {
'cflags!': ['-fvisibility=hidden'],
'cflags_cc!': ['-fvisibility-inlines-hidden'],
}],
['OS=="mac"', {
'target_defaults': {
'variables': {
# This should be 'mac_real_dsym%', but there seems to be a bug
# with % in variables that are intended to be set to different
# values in different targets, like this one.
'mac_real_dsym': 0, # Fake .dSYMs are fine in most cases.
},
'mac_bundle': 0,
'xcode_settings': {
'ALWAYS_SEARCH_USER_PATHS': 'NO',
'GCC_C_LANGUAGE_STANDARD': 'c99', # -std=c99
'GCC_CW_ASM_SYNTAX': 'NO', # No -fasm-blocks
'GCC_DYNAMIC_NO_PIC': 'NO', # No -mdynamic-no-pic
# (Equivalent to -fPIC)
'GCC_ENABLE_CPP_EXCEPTIONS': 'NO', # -fno-exceptions
'GCC_ENABLE_CPP_RTTI': 'NO', # -fno-rtti
'GCC_ENABLE_PASCAL_STRINGS': 'NO', # No -mpascal-strings
# GCC_INLINES_ARE_PRIVATE_EXTERN maps to -fvisibility-inlines-hidden
'GCC_INLINES_ARE_PRIVATE_EXTERN': 'YES',
'GCC_OBJC_CALL_CXX_CDTORS': 'YES', # -fobjc-call-cxx-cdtors
'GCC_SYMBOLS_PRIVATE_EXTERN': 'YES', # -fvisibility=hidden
'GCC_THREADSAFE_STATICS': 'NO', # -fno-threadsafe-statics
'GCC_TREAT_WARNINGS_AS_ERRORS': 'YES', # -Werror
'GCC_VERSION': '4.2',
'GCC_WARN_ABOUT_MISSING_NEWLINE': 'YES', # -Wnewline-eof
# MACOSX_DEPLOYMENT_TARGET maps to -mmacosx-version-min
'MACOSX_DEPLOYMENT_TARGET': '<(mac_deployment_target)',
'PREBINDING': 'NO', # No -Wl,-prebind
'USE_HEADERMAP': 'NO',
'WARNING_CFLAGS': [
'-Wall',
'-Wendif-labels',
'-Wextra',
# Don't warn about unused function parameters.
'-Wno-unused-parameter',
# Don't warn about the "struct foo f = {0};" initialization
# pattern.
'-Wno-missing-field-initializers',
],
'conditions': [
['chromium_mac_pch', {'GCC_PRECOMPILE_PREFIX_HEADER': 'YES'},
{'GCC_PRECOMPILE_PREFIX_HEADER': 'NO'}
],
],
},
'target_conditions': [
['_type!="static_library"', {
'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-search_paths_first']},
}],
['_mac_bundle', {
'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-ObjC']},
}],
['_type=="executable" or _type=="shared_library" or _type=="loadable_module"', {
'target_conditions': [
['mac_real_dsym == 1', {
# To get a real .dSYM bundle produced by dsymutil, set the
# debug information format to dwarf-with-dsym. Since
# strip_from_xcode will not be used, set Xcode to do the
# stripping as well.
'configurations': {
'Release_Base': {
'xcode_settings': {
'DEBUG_INFORMATION_FORMAT': 'dwarf-with-dsym',
'DEPLOYMENT_POSTPROCESSING': 'YES',
'STRIP_INSTALLED_PRODUCT': 'YES',
'target_conditions': [
['_type=="shared_library" or _type=="loadable_module"', {
# The Xcode default is to strip debugging symbols
# only (-S). Local symbols should be stripped as
# well, which will be handled by -x. Xcode will
# continue to insert -S when stripping even when
# additional flags are added with STRIPFLAGS.
'STRIPFLAGS': '-x',
}], # _type=="shared_library" or _type=="loadable_module"'
], # target_conditions
}, # xcode_settings
}, # configuration "Release"
}, # configurations
}, { # mac_real_dsym != 1
# To get a fast fake .dSYM bundle, use a post-build step to
# produce the .dSYM and strip the executable. strip_from_xcode
# only operates in the Release configuration.
'postbuilds': [
{
'variables': {
# Define strip_from_xcode in a variable ending in _path
# so that gyp understands it's a path and performs proper
# relativization during dict merging.
'strip_from_xcode_path': 'mac/strip_from_xcode',
},
'postbuild_name': 'Strip If Needed',
'action': ['<(strip_from_xcode_path)'],
},
], # postbuilds
}], # mac_real_dsym
], # target_conditions
}], # _type=="executable" or _type=="shared_library" or _type=="loadable_module"
], # target_conditions
}, # target_defaults
}], # OS=="mac"
['OS=="win"', {
'target_defaults': {
'defines': [
'_WIN32_WINNT=0x0600',
'WINVER=0x0600',
'WIN32',
'_WINDOWS',
'NOMINMAX',
'_CRT_RAND_S',
'CERT_CHAIN_PARA_HAS_EXTRA_FIELDS',
'WIN32_LEAN_AND_MEAN',
'_SECURE_ATL',
'_ATL_NO_OPENGL',
'_HAS_TR1=0',
],
'conditions': [
['component=="static_library"', {
'defines': [
'_HAS_EXCEPTIONS=0',
],
}],
],
'msvs_system_include_dirs': [
'<(DEPTH)/third_party/platformsdk_win7/files/Include',
'<(DEPTH)/third_party/directxsdk/files/Include',
'$(VSInstallDir)/VC/atlmfc/include',
],
'msvs_cygwin_dirs': ['<(DEPTH)/third_party/cygwin'],
'msvs_disabled_warnings': [4351, 4396, 4503, 4819],
'msvs_settings': {
'VCCLCompilerTool': {
'MinimalRebuild': 'false',
'BufferSecurityCheck': 'true',
'EnableFunctionLevelLinking': 'true',
'RuntimeTypeInfo': 'false',
'WarningLevel': '3',
'WarnAsError': 'true',
'DebugInformationFormat': '3',
'conditions': [
[ 'msvs_multi_core_compile', {
'AdditionalOptions': ['/MP'],
}],
['component=="shared_library"', {
'ExceptionHandling': '1', # /EHsc
}, {
'ExceptionHandling': '0',
}],
],
},
'VCLibrarianTool': {
'AdditionalOptions': ['/ignore:4221'],
'AdditionalLibraryDirectories': [
'<(DEPTH)/third_party/platformsdk_win7/files/Lib',
'<(DEPTH)/third_party/directxsdk/files/Lib/x86',
],
},
'VCLinkerTool': {
'AdditionalDependencies': [
'wininet.lib',
'version.lib',
'msimg32.lib',
'ws2_32.lib',
'usp10.lib',
'psapi.lib',
'dbghelp.lib',
],
'AdditionalLibraryDirectories': [
'<(DEPTH)/third_party/platformsdk_win7/files/Lib',
'<(DEPTH)/third_party/directxsdk/files/Lib/x86',
],
'GenerateDebugInformation': 'true',
'MapFileName': '$(OutDir)\\$(TargetName).map',
'ImportLibrary': '$(OutDir)\\lib\\$(TargetName).lib',
'FixedBaseAddress': '1',
# SubSystem values:
# 0 == not set
# 1 == /SUBSYSTEM:CONSOLE
# 2 == /SUBSYSTEM:WINDOWS
# Most of the executables we'll ever create are tests
# and utilities with console output.
'SubSystem': '1',
},
'VCMIDLTool': {
'GenerateStublessProxies': 'true',
'TypeLibraryName': '$(InputName).tlb',
'OutputDirectory': '$(IntDir)',
'HeaderFileName': '$(InputName).h',
'DLLDataFileName': 'dlldata.c',
'InterfaceIdentifierFileName': '$(InputName)_i.c',
'ProxyFileName': '$(InputName)_p.c',
},
'VCResourceCompilerTool': {
'Culture' : '1033',
'AdditionalIncludeDirectories': [
'<(DEPTH)',
'<(SHARED_INTERMEDIATE_DIR)',
],
},
},
},
}],
['disable_nacl==1 or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
'target_defaults': {
'defines': [
'DISABLE_NACL',
],
},
}],
['OS=="win" and msvs_use_common_linker_extras', {
'target_defaults': {
'msvs_settings': {
'VCLinkerTool': {
'DelayLoadDLLs': [
'dbghelp.dll',
'dwmapi.dll',
'uxtheme.dll',
],
},
},
'configurations': {
'x86_Base': {
'msvs_settings': {
'VCLinkerTool': {
'AdditionalOptions': [
'/safeseh',
'/dynamicbase',
'/ignore:4199',
'/ignore:4221',
'/nxcompat',
],
},
},
},
'x64_Base': {
'msvs_settings': {
'VCLinkerTool': {
'AdditionalOptions': [
# safeseh is not compatible with x64
'/dynamicbase',
'/ignore:4199',
'/ignore:4221',
'/nxcompat',
],
},
},
},
},
},
}],
['enable_new_npdevice_api==1', {
'target_defaults': {
'defines': [
'ENABLE_NEW_NPDEVICE_API',
],
},
}],
],
'scons_settings': {
'sconsbuild_dir': '<(DEPTH)/sconsbuild',
'tools': ['ar', 'as', 'gcc', 'g++', 'gnulink', 'chromium_builders'],
},
'xcode_settings': {
# DON'T ADD ANYTHING NEW TO THIS BLOCK UNLESS YOU REALLY REALLY NEED IT!
# This block adds *project-wide* configuration settings to each project
# file. It's almost always wrong to put things here. Specify your
# custom xcode_settings in target_defaults to add them to targets instead.
# In an Xcode Project Info window, the "Base SDK for All Configurations"
# setting sets the SDK on a project-wide basis. In order to get the
# configured SDK to show properly in the Xcode UI, SDKROOT must be set
# here at the project level.
'SDKROOT': 'macosx<(mac_sdk)', # -isysroot
# The Xcode generator will look for an xcode_settings section at the root
# of each dict and use it to apply settings on a file-wide basis. Most
# settings should not be here, they should be in target-specific
# xcode_settings sections, or better yet, should use non-Xcode-specific
# settings in target dicts. SYMROOT is a special case, because many other
# Xcode variables depend on it, including variables such as
# PROJECT_DERIVED_FILE_DIR. When a source group corresponding to something
# like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
# files to appear (when present) in the UI as actual files and not red
# red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
# and therefore SYMROOT, needs to be set at the project level.
'SYMROOT': '<(DEPTH)/xcodebuild',
},
}
# Local Variables:
# tab-width:2
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=2 shiftwidth=2: