michael@0: # Copyright (c) 2010, Google Inc.
michael@0: # All rights reserved.
michael@0: #
michael@0: # Redistribution and use in source and binary forms, with or without
michael@0: # modification, are permitted provided that the following conditions are
michael@0: # met:
michael@0: #
michael@0: #     * Redistributions of source code must retain the above copyright
michael@0: # notice, this list of conditions and the following disclaimer.
michael@0: #     * Redistributions in binary form must reproduce the above
michael@0: # copyright notice, this list of conditions and the following disclaimer
michael@0: # in the documentation and/or other materials provided with the
michael@0: # distribution.
michael@0: #     * Neither the name of Google Inc. nor the names of its
michael@0: # contributors may be used to endorse or promote products derived from
michael@0: # this software without specific prior written permission.
michael@0: #
michael@0: # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0: # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0: # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0: # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0: # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0: # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0: # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0: # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0: # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0: # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0: # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: 
michael@0: # IMPORTANT:
michael@0: # Please don't directly include this file if you are building via gyp_chromium,
michael@0: # since gyp_chromium is automatically forcing its inclusion.
michael@0: {
michael@0:   'variables': {
michael@0:     # .gyp files or targets should set chromium_code to 1 if they build
michael@0:     # Chromium-specific code, as opposed to external code.  This variable is
michael@0:     # used to control such things as the set of warnings to enable, and
michael@0:     # whether warnings are treated as errors.
michael@0:     'chromium_code%': 0,
michael@0: 
michael@0:     # Variables expected to be overriden on the GYP command line (-D) or by
michael@0:     # ~/.gyp/include.gypi.
michael@0: 
michael@0:     # Putting a variables dict inside another variables dict looks kind of
michael@0:     # weird.  This is done so that "branding" and "buildtype" are defined as
michael@0:     # variables within the outer variables dict here.  This is necessary
michael@0:     # to get these variables defined for the conditions within this variables
michael@0:     # dict that operate on these variables.
michael@0:     'variables': {
michael@0:       # Override branding to select the desired branding flavor.
michael@0:       'branding%': 'Chromium',
michael@0: 
michael@0:       # Override buildtype to select the desired build flavor.
michael@0:       # Dev - everyday build for development/testing
michael@0:       # Official - release build (generally implies additional processing)
michael@0:       # TODO(mmoss) Once 'buildtype' is fully supported (e.g. Windows gyp
michael@0:       # conversion is done), some of the things which are now controlled by
michael@0:       # 'branding', such as symbol generation, will need to be refactored based
michael@0:       # on 'buildtype' (i.e. we don't care about saving symbols for non-Official
michael@0:       # builds).
michael@0:       'buildtype%': 'Dev',
michael@0: 
michael@0:       'variables': {
michael@0:         # Compute the architecture that we're building on.
michael@0:         'conditions': [
michael@0:           [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
michael@0:             # This handles the Linux platforms we generally deal with. Anything
michael@0:             # else gets passed through, which probably won't work very well; such
michael@0:             # hosts should pass an explicit target_arch to gyp.
michael@0:             'host_arch%':
michael@0:               '<!(uname -m | sed -e "s/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/")',
michael@0:           }, {  # OS!="linux"
michael@0:             'host_arch%': 'ia32',
michael@0:           }],
michael@0:         ],
michael@0: 
michael@0:         # Whether we're building a ChromeOS build.  We set the initial
michael@0:         # value at this level of nesting so it's available for the
michael@0:         # toolkit_views test below.
michael@0:         'chromeos%': '0',
michael@0:       },
michael@0: 
michael@0:       # Set default value of toolkit_views on for Windows and Chrome OS.
michael@0:       # We set it at this level of nesting so the value is available for
michael@0:       # other conditionals below.
michael@0:       'conditions': [
michael@0:         ['OS=="win" or chromeos==1', {
michael@0:           'toolkit_views%': 1,
michael@0:         }, {
michael@0:           'toolkit_views%': 0,
michael@0:         }],
michael@0:       ],
michael@0: 
michael@0:       'host_arch%': '<(host_arch)',
michael@0: 
michael@0:       # Default architecture we're building for is the architecture we're
michael@0:       # building on.
michael@0:       'target_arch%': '<(host_arch)',
michael@0: 
michael@0:       # We do want to build Chromium with Breakpad support in certain
michael@0:       # situations. I.e. for Chrome bot.
michael@0:       'linux_chromium_breakpad%': 0,
michael@0:       # And if we want to dump symbols.
michael@0:       'linux_chromium_dump_symbols%': 0,
michael@0:       # Also see linux_strip_binary below.
michael@0: 
michael@0:       # Copy conditionally-set chromeos variable out one scope.
michael@0:       'chromeos%': '<(chromeos)',
michael@0: 
michael@0:       # This variable tells WebCore.gyp and JavaScriptCore.gyp whether they are
michael@0:       # are built under a chromium full build (1) or a webkit.org chromium
michael@0:       # build (0).
michael@0:       'inside_chromium_build%': 1,
michael@0: 
michael@0:       # Set to 1 to enable fast builds. It disables debug info for fastest
michael@0:       # compilation.
michael@0:       'fastbuild%': 0,
michael@0: 
michael@0:       # Set to 1 compile with -fPIC cflag on linux. This is a must for shared
michael@0:       # libraries on linux x86-64 and arm.
michael@0:       'linux_fpic%': 0,
michael@0: 
michael@0:       # Python version.
michael@0:       'python_ver%': '2.5',
michael@0: 
michael@0:       # Set ARM-v7 compilation flags
michael@0:       'armv7%': 0,
michael@0: 
michael@0:       # Set Neon compilation flags (only meaningful if armv7==1).
michael@0:       'arm_neon%': 1,
michael@0: 
michael@0:       # The system root for cross-compiles. Default: none.
michael@0:       'sysroot%': '',
michael@0: 
michael@0:       # On Linux, we build with sse2 for Chromium builds.
michael@0:       'disable_sse2%': 0,
michael@0:     },
michael@0: 
michael@0:     # Define branding and buildtype on the basis of their settings within the
michael@0:     # variables sub-dict above, unless overridden.
michael@0:     'branding%': '<(branding)',
michael@0:     'buildtype%': '<(buildtype)',
michael@0:     'target_arch%': '<(target_arch)',
michael@0:     'host_arch%': '<(host_arch)',
michael@0:     'toolkit_views%': '<(toolkit_views)',
michael@0:     'chromeos%': '<(chromeos)',
michael@0:     'inside_chromium_build%': '<(inside_chromium_build)',
michael@0:     'fastbuild%': '<(fastbuild)',
michael@0:     'linux_fpic%': '<(linux_fpic)',
michael@0:     'python_ver%': '<(python_ver)',
michael@0:     'armv7%': '<(armv7)',
michael@0:     'arm_neon%': '<(arm_neon)',
michael@0:     'sysroot%': '<(sysroot)',
michael@0:     'disable_sse2%': '<(disable_sse2)',
michael@0: 
michael@0:     # The release channel that this build targets. This is used to restrict
michael@0:     # channel-specific build options, like which installer packages to create.
michael@0:     # The default is 'all', which does no channel-specific filtering.
michael@0:     'channel%': 'all',
michael@0: 
michael@0:     # Override chromium_mac_pch and set it to 0 to suppress the use of
michael@0:     # precompiled headers on the Mac.  Prefix header injection may still be
michael@0:     # used, but prefix headers will not be precompiled.  This is useful when
michael@0:     # using distcc to distribute a build to compile slaves that don't
michael@0:     # share the same compiler executable as the system driving the compilation,
michael@0:     # because precompiled headers rely on pointers into a specific compiler
michael@0:     # executable's image.  Setting this to 0 is needed to use an experimental
michael@0:     # Linux-Mac cross compiler distcc farm.
michael@0:     'chromium_mac_pch%': 1,
michael@0: 
michael@0:     # Mac OS X SDK and deployment target support.
michael@0:     # The SDK identifies the version of the system headers that will be used,
michael@0:     # and corresponds to the MAC_OS_X_VERSION_MAX_ALLOWED compile-time macro.
michael@0:     # "Maximum allowed" refers to the operating system version whose APIs are
michael@0:     # available in the headers.
michael@0:     # The deployment target identifies the minimum system version that the
michael@0:     # built products are expected to function on.  It corresponds to the
michael@0:     # MAC_OS_X_VERSION_MIN_REQUIRED compile-time macro.
michael@0:     # To ensure these macros are available, #include <AvailabilityMacros.h>.
michael@0:     # Additional documentation on these macros is available at
michael@0:     # http://developer.apple.com/mac/library/technotes/tn2002/tn2064.html#SECTION3
michael@0:     # Chrome normally builds with the Mac OS X 10.5 SDK and sets the
michael@0:     # deployment target to 10.5.  Other projects, such as O3D, may override
michael@0:     # these defaults.
michael@0:     'mac_sdk%': '10.5',
michael@0:     'mac_deployment_target%': '10.5',
michael@0: 
michael@0:     # Set to 1 to enable code coverage.  In addition to build changes
michael@0:     # (e.g. extra CFLAGS), also creates a new target in the src/chrome
michael@0:     # project file called "coverage".
michael@0:     # Currently ignored on Windows.
michael@0:     'coverage%': 0,
michael@0: 
michael@0:     # Although base/allocator lets you select a heap library via an
michael@0:     # environment variable, the libcmt shim it uses sometimes gets in
michael@0:     # the way.  To disable it entirely, and switch to normal msvcrt, do e.g.
michael@0:     #  'win_use_allocator_shim': 0,
michael@0:     #  'win_release_RuntimeLibrary': 2
michael@0:     # to ~/.gyp/include.gypi, gclient runhooks --force, and do a release build.
michael@0:     'win_use_allocator_shim%': 1, # 0 = shim allocator via libcmt; 1 = msvcrt
michael@0: 
michael@0:     # Whether usage of OpenMAX is enabled.
michael@0:     'enable_openmax%': 0,
michael@0: 
michael@0:     # TODO(bradnelson): eliminate this when possible.
michael@0:     # To allow local gyp files to prevent release.vsprops from being included.
michael@0:     # Yes(1) means include release.vsprops.
michael@0:     # Once all vsprops settings are migrated into gyp, this can go away.
michael@0:     'msvs_use_common_release%': 1,
michael@0: 
michael@0:     # TODO(bradnelson): eliminate this when possible.
michael@0:     # To allow local gyp files to override additional linker options for msvs.
michael@0:     # Yes(1) means set use the common linker options.
michael@0:     'msvs_use_common_linker_extras%': 1,
michael@0: 
michael@0:     # TODO(sgk): eliminate this if possible.
michael@0:     # It would be nicer to support this via a setting in 'target_defaults'
michael@0:     # in chrome/app/locales/locales.gypi overriding the setting in the
michael@0:     # 'Debug' configuration in the 'target_defaults' dict below,
michael@0:     # but that doesn't work as we'd like.
michael@0:     'msvs_debug_link_incremental%': '2',
michael@0: 
michael@0:     # This is the location of the sandbox binary. Chrome looks for this before
michael@0:     # running the zygote process. If found, and SUID, it will be used to
michael@0:     # sandbox the zygote process and, thus, all renderer processes.
michael@0:     'linux_sandbox_path%': '',
michael@0: 
michael@0:     # Set this to true to enable SELinux support.
michael@0:     'selinux%': 0,
michael@0: 
michael@0:     # Strip the binary after dumping symbols.
michael@0:     'linux_strip_binary%': 0,
michael@0: 
michael@0:     # Enable TCMalloc.
michael@0:     'linux_use_tcmalloc%': 1,
michael@0: 
michael@0:     # Disable TCMalloc's debugallocation.
michael@0:     'linux_use_debugallocation%': 0,
michael@0: 
michael@0:     # Disable TCMalloc's heapchecker.
michael@0:     'linux_use_heapchecker%': 0,
michael@0: 
michael@0:     # Set to 1 to turn on seccomp sandbox by default.
michael@0:     # (Note: this is ignored for official builds.)
michael@0:     'linux_use_seccomp_sandbox%': 0,
michael@0: 
michael@0:     # Set to select the Title Case versions of strings in GRD files.
michael@0:     'use_titlecase_in_grd_files%': 0,
michael@0: 
michael@0:     # Used to disable Native Client at compile time, for platforms where it
michael@0:     # isn't supported
michael@0:     'disable_nacl%': 0,
michael@0: 
michael@0:     # Set Thumb compilation flags.
michael@0:     'arm_thumb%': 0,
michael@0: 
michael@0:     # Set ARM fpu compilation flags (only meaningful if armv7==1 and
michael@0:     # arm_neon==0).
michael@0:     'arm_fpu%': 'vfpv3',
michael@0: 
michael@0:     # Enable new NPDevice API.
michael@0:     'enable_new_npdevice_api%': 0,
michael@0: 
michael@0:     'conditions': [
michael@0:       ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
michael@0:         # This will set gcc_version to XY if you are running gcc X.Y.*.
michael@0:         # This is used to tweak build flags for gcc 4.4.
michael@0:         'gcc_version%': '<!(python <(DEPTH)/build/compiler_version.py)',
michael@0:         # Figure out the python architecture to decide if we build pyauto.
michael@0:         'python_arch%': '<!(<(DEPTH)/build/linux/python_arch.sh <(sysroot)/usr/lib/libpython<(python_ver).so.1.0)',
michael@0:         'conditions': [
michael@0:           ['branding=="Chrome" or linux_chromium_breakpad==1', {
michael@0:             'linux_breakpad%': 1,
michael@0:           }, {
michael@0:             'linux_breakpad%': 0,
michael@0:           }],
michael@0:           # All Chrome builds have breakpad symbols, but only process the
michael@0:           # symbols from official builds.
michael@0:           # TODO(mmoss) dump_syms segfaults on x64. Enable once dump_syms and
michael@0:           # crash server handle 64-bit symbols.
michael@0:           ['linux_chromium_dump_symbols==1 or '
michael@0:            '(branding=="Chrome" and buildtype=="Official" and '
michael@0:            'target_arch=="ia32")', {
michael@0:             'linux_dump_symbols%': 1,
michael@0:           }, {
michael@0:             'linux_dump_symbols%': 0,
michael@0:           }],
michael@0:           ['toolkit_views==0', {
michael@0:             # GTK wants Title Case strings
michael@0:             'use_titlecase_in_grd_files%': 1,
michael@0:           }],
michael@0:         ],
michael@0:       }],  # OS=="linux" or OS=="freebsd" or OS=="openbsd"
michael@0:       ['OS=="mac"', {
michael@0:         # Mac wants Title Case strings
michael@0:         'use_titlecase_in_grd_files%': 1,
michael@0:         'conditions': [
michael@0:           # mac_product_name is set to the name of the .app bundle as it should
michael@0:           # appear on disk.  This duplicates data from
michael@0:           # chrome/app/theme/chromium/BRANDING and
michael@0:           # chrome/app/theme/google_chrome/BRANDING, but is necessary to get
michael@0:           # these names into the build system.
michael@0:           ['branding=="Chrome"', {
michael@0:             'mac_product_name%': 'Google Chrome',
michael@0:           }, { # else: branding!="Chrome"
michael@0:             'mac_product_name%': 'Chromium',
michael@0:           }],
michael@0: 
michael@0:           # Feature variables for enabling Mac Breakpad and Keystone auto-update
michael@0:           # support.  Both features are on by default in official builds with
michael@0:           # Chrome branding.
michael@0:           ['branding=="Chrome" and buildtype=="Official"', {
michael@0:             'mac_breakpad%': 1,
michael@0:             'mac_keystone%': 1,
michael@0:           }, { # else: branding!="Chrome" or buildtype!="Official"
michael@0:             'mac_breakpad%': 0,
michael@0:             'mac_keystone%': 0,
michael@0:           }],
michael@0:         ],
michael@0:       }],  # OS=="mac"
michael@0:       # Whether to use multiple cores to compile with visual studio. This is
michael@0:       # optional because it sometimes causes corruption on VS 2005.
michael@0:       # It is on by default on VS 2008 and off on VS 2005.
michael@0:       ['OS=="win"', {
michael@0:         'conditions': [
michael@0:           ['MSVS_VERSION=="2005"', {
michael@0:             'msvs_multi_core_compile%': 0,
michael@0:           },{
michael@0:             'msvs_multi_core_compile%': 1,
michael@0:           }],
michael@0:           # Don't do incremental linking for large modules on 32-bit.
michael@0:           ['MSVS_OS_BITS==32', {
michael@0:             'msvs_large_module_debug_link_mode%': '1',  # No
michael@0:           },{
michael@0:             'msvs_large_module_debug_link_mode%': '2',  # Yes
michael@0:           }],
michael@0:         ],
michael@0:         'nacl_win64_defines': [
michael@0:           # This flag is used to minimize dependencies when building
michael@0:           # Native Client loader for 64-bit Windows.
michael@0:           'NACL_WIN64',
michael@0:         ],
michael@0:       }],
michael@0:       # Compute based on OS and target architecture whether the GPU
michael@0:       # plugin / process is supported.
michael@0:       [ 'OS=="win" or (OS=="linux" and target_arch!="arm") or OS=="mac"', {
michael@0:         # Enable a variable used elsewhere throughout the GYP files to determine
michael@0:         # whether to compile in the sources for the GPU plugin / process.
michael@0:         'enable_gpu%': 1,
michael@0:       }, {  # GPU plugin not supported
michael@0:         'enable_gpu%': 0,
michael@0:       }],
michael@0:       # Compute based on OS, target architecture and device whether GLES
michael@0:       # is supported
michael@0:       [ 'OS=="linux" and target_arch=="arm" and chromeos==1', {
michael@0:         # Enable a variable used elsewhere throughout the GYP files to determine
michael@0:         # whether to compile in the sources for the GLES support.
michael@0:         'enable_gles%': 1,
michael@0:       }, {  # GLES not supported
michael@0:         'enable_gles%': 0,
michael@0:       }],
michael@0:     ],
michael@0: 
michael@0:     # NOTE: When these end up in the Mac bundle, we need to replace '-' for '_'
michael@0:     # so Cocoa is happy (http://crbug.com/20441).
michael@0:     'locales': [
michael@0:       'am', 'ar', 'bg', 'bn', 'ca', 'cs', 'da', 'de', 'el', 'en-GB',
michael@0:       'en-US', 'es-419', 'es', 'et', 'fi', 'fil', 'fr', 'gu', 'he',
michael@0:       'hi', 'hr', 'hu', 'id', 'it', 'ja', 'kn', 'ko', 'lt', 'lv',
michael@0:       'ml', 'mr', 'nb', 'nl', 'pl', 'pt-BR', 'pt-PT', 'ro', 'ru',
michael@0:       'sk', 'sl', 'sr', 'sv', 'sw', 'ta', 'te', 'th', 'tr', 'uk',
michael@0:       'vi', 'zh-CN', 'zh-TW',
michael@0:     ],
michael@0:   },
michael@0:   'target_defaults': {
michael@0:     'variables': {
michael@0:       # The condition that operates on chromium_code is in a target_conditions
michael@0:       # section, and will not have access to the default fallback value of
michael@0:       # chromium_code at the top of this file, or to the chromium_code
michael@0:       # variable placed at the root variables scope of .gyp files, because
michael@0:       # those variables are not set at target scope.  As a workaround,
michael@0:       # if chromium_code is not set at target scope, define it in target scope
michael@0:       # to contain whatever value it has during early variable expansion.
michael@0:       # That's enough to make it available during target conditional
michael@0:       # processing.
michael@0:       'chromium_code%': '<(chromium_code)',
michael@0: 
michael@0:       # See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Optimize-Options.html
michael@0:       'mac_release_optimization%': '3', # Use -O3 unless overridden
michael@0:       'mac_debug_optimization%': '0',   # Use -O0 unless overridden
michael@0:       # See http://msdn.microsoft.com/en-us/library/aa652360(VS.71).aspx
michael@0:       'win_release_Optimization%': '2', # 2 = /Os
michael@0:       'win_debug_Optimization%': '0',   # 0 = /Od
michael@0:       # See http://msdn.microsoft.com/en-us/library/aa652367(VS.71).aspx
michael@0:       'win_release_RuntimeLibrary%': '0', # 0 = /MT (nondebug static)
michael@0:       'win_debug_RuntimeLibrary%': '1',   # 1 = /MTd (debug static)
michael@0: 
michael@0:       'release_extra_cflags%': '',
michael@0:       'debug_extra_cflags%': '',
michael@0:       'release_valgrind_build%': 0,
michael@0:     },
michael@0:     'conditions': [
michael@0:       ['branding=="Chrome"', {
michael@0:         'defines': ['GOOGLE_CHROME_BUILD'],
michael@0:       }, {  # else: branding!="Chrome"
michael@0:         'defines': ['CHROMIUM_BUILD'],
michael@0:       }],
michael@0:       ['toolkit_views==1', {
michael@0:         'defines': ['TOOLKIT_VIEWS=1'],
michael@0:       }],
michael@0:       ['chromeos==1', {
michael@0:         'defines': ['OS_CHROMEOS=1'],
michael@0:       }],
michael@0:       ['fastbuild!=0', {
michael@0:         'conditions': [
michael@0:           # Finally, for Windows, we simply turn on profiling.
michael@0:           ['OS=="win"', {
michael@0:             'msvs_settings': {
michael@0:               'VCLinkerTool': {
michael@0:                 'GenerateDebugInformation': 'false',
michael@0:               },
michael@0:               'VCCLCompilerTool': {
michael@0:                 'DebugInformationFormat': '0',
michael@0:               }
michael@0:             }
michael@0:           }, { # else: OS != "win"
michael@0:             'cflags': [ '-g1' ],
michael@0:           }],
michael@0:         ],  # conditions for fastbuild.
michael@0:       }],  # fastbuild!=0
michael@0:       ['selinux==1', {
michael@0:         'defines': ['CHROMIUM_SELINUX=1'],
michael@0:       }],
michael@0:       ['win_use_allocator_shim==0', {
michael@0:         'conditions': [
michael@0:           ['OS=="win"', {
michael@0:             'defines': ['NO_TCMALLOC'],
michael@0:           }],
michael@0:         ],
michael@0:       }],
michael@0:       ['enable_gpu==1', {
michael@0:         'defines': [
michael@0:           'ENABLE_GPU=1',
michael@0:         ],
michael@0:       }],
michael@0:       ['enable_gles==1', {
michael@0:         'defines': [
michael@0:           'ENABLE_GLES=1',
michael@0:         ],
michael@0:       }],
michael@0:       ['coverage!=0', {
michael@0:         'conditions': [
michael@0:           ['OS=="mac"', {
michael@0:             'xcode_settings': {
michael@0:               'GCC_INSTRUMENT_PROGRAM_FLOW_ARCS': 'YES',  # -fprofile-arcs
michael@0:               'GCC_GENERATE_TEST_COVERAGE_FILES': 'YES',  # -ftest-coverage
michael@0:             },
michael@0:             # Add -lgcov for types executable, shared_library, and
michael@0:             # loadable_module; not for static_library.
michael@0:             # This is a delayed conditional.
michael@0:             'target_conditions': [
michael@0:               ['_type!="static_library"', {
michael@0:                 'xcode_settings': { 'OTHER_LDFLAGS': [ '-lgcov' ] },
michael@0:               }],
michael@0:             ],
michael@0:           }],
michael@0:           # Linux gyp (into scons) doesn't like target_conditions?
michael@0:           # TODO(???): track down why 'target_conditions' doesn't work
michael@0:           # on Linux gyp into scons like it does on Mac gyp into xcodeproj.
michael@0:           ['OS=="linux"', {
michael@0:             'cflags': [ '-ftest-coverage',
michael@0:                         '-fprofile-arcs' ],
michael@0:             'link_settings': { 'libraries': [ '-lgcov' ] },
michael@0:           }],
michael@0:           # Finally, for Windows, we simply turn on profiling.
michael@0:           ['OS=="win"', {
michael@0:             'msvs_settings': {
michael@0:               'VCLinkerTool': {
michael@0:                 'Profile': 'true',
michael@0:               },
michael@0:               'VCCLCompilerTool': {
michael@0:                 # /Z7, not /Zi, so coverage is happyb
michael@0:                 'DebugInformationFormat': '1',
michael@0:                 'AdditionalOptions': ['/Yd'],
michael@0:               }
michael@0:             }
michael@0:          }],  # OS==win
michael@0:         ],  # conditions for coverage
michael@0:       }],  # coverage!=0
michael@0:     ],  # conditions for 'target_defaults'
michael@0:     'target_conditions': [
michael@0:       ['chromium_code==0', {
michael@0:         'conditions': [
michael@0:           [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
michael@0:             'cflags!': [
michael@0:               '-Wall',
michael@0:               '-Wextra',
michael@0:               '-Werror',
michael@0:             ],
michael@0:           }],
michael@0:           [ 'OS=="win"', {
michael@0:             'defines': [
michael@0:               '_CRT_SECURE_NO_DEPRECATE',
michael@0:               '_CRT_NONSTDC_NO_WARNINGS',
michael@0:               '_CRT_NONSTDC_NO_DEPRECATE',
michael@0:             ],
michael@0:             'msvs_disabled_warnings': [4800],
michael@0:             'msvs_settings': {
michael@0:               'VCCLCompilerTool': {
michael@0:                 'WarnAsError': 'false',
michael@0:                 'Detect64BitPortabilityProblems': 'false',
michael@0:               },
michael@0:             },
michael@0:           }],
michael@0:           [ 'OS=="mac"', {
michael@0:             'xcode_settings': {
michael@0:               'GCC_TREAT_WARNINGS_AS_ERRORS': 'NO',
michael@0:               'WARNING_CFLAGS!': ['-Wall'],
michael@0:             },
michael@0:           }],
michael@0:         ],
michael@0:       }, {
michael@0:         # In Chromium code, we define __STDC_FORMAT_MACROS in order to get the
michael@0:         # C99 macros on Mac and Linux.
michael@0:         'defines': [
michael@0:           '__STDC_FORMAT_MACROS',
michael@0:         ],
michael@0:         'conditions': [
michael@0:           ['OS!="win"', {
michael@0:             'sources/': [ ['exclude', '_win(_unittest)?\\.cc$'],
michael@0:                           ['exclude', '/win/'],
michael@0:                           ['exclude', '/win_[^/]*\\.cc$'] ],
michael@0:           }],
michael@0:           ['OS!="mac"', {
michael@0:             'sources/': [ ['exclude', '_(cocoa|mac)(_unittest)?\\.cc$'],
michael@0:                           ['exclude', '/(cocoa|mac)/'],
michael@0:                           ['exclude', '\.mm?$' ] ],
michael@0:           }],
michael@0:           ['OS!="linux" and OS!="freebsd" and OS!="openbsd"', {
michael@0:             'sources/': [
michael@0:               ['exclude', '_(chromeos|gtk|x|x11|xdg)(_unittest)?\\.cc$'],
michael@0:               ['exclude', '/gtk/'],
michael@0:               ['exclude', '/(gtk|x11)_[^/]*\\.cc$'],
michael@0:             ],
michael@0:           }],
michael@0:           ['OS!="linux"', {
michael@0:             'sources/': [
michael@0:               ['exclude', '_linux(_unittest)?\\.cc$'],
michael@0:               ['exclude', '/linux/'],
michael@0:             ],
michael@0:           }],
michael@0:           # We use "POSIX" to refer to all non-Windows operating systems.
michael@0:           ['OS=="win"', {
michael@0:             'sources/': [ ['exclude', '_posix\\.cc$'] ],
michael@0:           }],
michael@0:           # Though Skia is conceptually shared by Linux and Windows,
michael@0:           # the only _skia files in our tree are Linux-specific.
michael@0:           ['OS!="linux" and OS!="freebsd" and OS!="openbsd"', {
michael@0:             'sources/': [ ['exclude', '_skia\\.cc$'] ],
michael@0:           }],
michael@0:           ['chromeos!=1', {
michael@0:             'sources/': [ ['exclude', '_chromeos\\.cc$'] ]
michael@0:           }],
michael@0:           ['toolkit_views==0', {
michael@0:             'sources/': [ ['exclude', '_views\\.cc$'] ]
michael@0:           }],
michael@0:         ],
michael@0:       }],
michael@0:     ],  # target_conditions for 'target_defaults'
michael@0:     'default_configuration': 'Debug',
michael@0:     'configurations': {
michael@0:       # VCLinkerTool LinkIncremental values below:
michael@0:       #   0 == default
michael@0:       #   1 == /INCREMENTAL:NO
michael@0:       #   2 == /INCREMENTAL
michael@0:       # Debug links incremental, Release does not.
michael@0:       #
michael@0:       # Abstract base configurations to cover common
michael@0:       # attributes.
michael@0:       #
michael@0:       'Common_Base': {
michael@0:         'abstract': 1,
michael@0:         'msvs_configuration_attributes': {
michael@0:           'OutputDirectory': '$(SolutionDir)$(ConfigurationName)',
michael@0:           'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
michael@0:           'CharacterSet': '1',
michael@0:         },
michael@0:       },
michael@0:       'x86_Base': {
michael@0:         'abstract': 1,
michael@0:         'msvs_settings': {
michael@0:           'VCLinkerTool': {
michael@0:             'TargetMachine': '1',
michael@0:           },
michael@0:         },
michael@0:         'msvs_configuration_platform': 'Win32',
michael@0:       },
michael@0:       'x64_Base': {
michael@0:         'abstract': 1,
michael@0:         'msvs_configuration_platform': 'x64',
michael@0:         'msvs_settings': {
michael@0:           'VCLinkerTool': {
michael@0:             'TargetMachine': '17', # x86 - 64
michael@0:             'AdditionalLibraryDirectories!':
michael@0:               ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'],
michael@0:             'AdditionalLibraryDirectories':
michael@0:               ['<(DEPTH)/third_party/platformsdk_win7/files/Lib/x64'],
michael@0:           },
michael@0:           'VCLibrarianTool': {
michael@0:             'AdditionalLibraryDirectories!':
michael@0:               ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'],
michael@0:             'AdditionalLibraryDirectories':
michael@0:               ['<(DEPTH)/third_party/platformsdk_win7/files/Lib/x64'],
michael@0:           },
michael@0:         },
michael@0:         'defines': [
michael@0:           # Not sure if tcmalloc works on 64-bit Windows.
michael@0:           'NO_TCMALLOC',
michael@0:         ],
michael@0:       },
michael@0:       'Debug_Base': {
michael@0:         'abstract': 1,
michael@0:         'xcode_settings': {
michael@0:           'COPY_PHASE_STRIP': 'NO',
michael@0:           'GCC_OPTIMIZATION_LEVEL': '<(mac_debug_optimization)',
michael@0:           'OTHER_CFLAGS': [ '<@(debug_extra_cflags)', ],
michael@0:         },
michael@0:         'msvs_settings': {
michael@0:           'VCCLCompilerTool': {
michael@0:             'Optimization': '<(win_debug_Optimization)',
michael@0:             'PreprocessorDefinitions': ['_DEBUG'],
michael@0:             'BasicRuntimeChecks': '3',
michael@0:             'RuntimeLibrary': '<(win_debug_RuntimeLibrary)',
michael@0:           },
michael@0:           'VCLinkerTool': {
michael@0:             'LinkIncremental': '<(msvs_debug_link_incremental)',
michael@0:           },
michael@0:           'VCResourceCompilerTool': {
michael@0:             'PreprocessorDefinitions': ['_DEBUG'],
michael@0:           },
michael@0:         },
michael@0:         'conditions': [
michael@0:           ['OS=="linux"', {
michael@0:             'cflags': [
michael@0:               '<@(debug_extra_cflags)',
michael@0:             ],
michael@0:           }],
michael@0:         ],
michael@0:       },
michael@0:       'Release_Base': {
michael@0:         'abstract': 1,
michael@0:         'defines': [
michael@0:           'NDEBUG',
michael@0:         ],
michael@0:         'xcode_settings': {
michael@0:           'DEAD_CODE_STRIPPING': 'YES',  # -Wl,-dead_strip
michael@0:           'GCC_OPTIMIZATION_LEVEL': '<(mac_release_optimization)',
michael@0:           'OTHER_CFLAGS': [ '<@(release_extra_cflags)', ],
michael@0:         },
michael@0:         'msvs_settings': {
michael@0:           'VCCLCompilerTool': {
michael@0:             'Optimization': '<(win_release_Optimization)',
michael@0:             'RuntimeLibrary': '<(win_release_RuntimeLibrary)',
michael@0:           },
michael@0:           'VCLinkerTool': {
michael@0:             'LinkIncremental': '1',
michael@0:           },
michael@0:         },
michael@0:         'conditions': [
michael@0:           ['release_valgrind_build==0', {
michael@0:             'defines': ['NVALGRIND'],
michael@0:           }],
michael@0:           ['win_use_allocator_shim==0', {
michael@0:             'defines': ['NO_TCMALLOC'],
michael@0:           }],
michael@0:           ['win_release_RuntimeLibrary==2', {
michael@0:             # Visual C++ 2008 barfs when building anything with /MD (msvcrt):
michael@0:             #  VC\include\typeinfo(139) : warning C4275: non dll-interface
michael@0:             #  class 'stdext::exception' used as base for dll-interface
michael@0:             #  class 'std::bad_cast'
michael@0:             'msvs_disabled_warnings': [4275],
michael@0:           }],
michael@0:           ['OS=="linux"', {
michael@0:             'cflags': [
michael@0:              '<@(release_extra_cflags)',
michael@0:             ],
michael@0:           }],
michael@0:         ],
michael@0:       },
michael@0:       'Purify_Base': {
michael@0:         'abstract': 1,
michael@0:         'defines': [
michael@0:           'PURIFY',
michael@0:           'NO_TCMALLOC',
michael@0:         ],
michael@0:         'msvs_settings': {
michael@0:           'VCCLCompilerTool': {
michael@0:             'Optimization': '0',
michael@0:             'RuntimeLibrary': '0',
michael@0:             'BufferSecurityCheck': 'false',
michael@0:           },
michael@0:           'VCLinkerTool': {
michael@0:             'EnableCOMDATFolding': '1',
michael@0:             'LinkIncremental': '1',
michael@0:           },
michael@0:         },
michael@0:       },
michael@0:       #
michael@0:       # Concrete configurations
michael@0:       #
michael@0:       'Debug': {
michael@0:         'inherit_from': ['Common_Base', 'x86_Base', 'Debug_Base'],
michael@0:       },
michael@0:       'Release': {
michael@0:         'inherit_from': ['Common_Base', 'x86_Base', 'Release_Base'],
michael@0:         'conditions': [
michael@0:           ['msvs_use_common_release', {
michael@0:             'includes': ['release.gypi'],
michael@0:           }],
michael@0:         ]
michael@0:       },
michael@0:       'conditions': [
michael@0:         [ 'OS=="win"', {
michael@0:           # TODO(bradnelson): add a gyp mechanism to make this more graceful.
michael@0:           'Purify': {
michael@0:             'inherit_from': ['Common_Base', 'x86_Base', 'Release_Base', 'Purify'],
michael@0:           },
michael@0:           'Debug_x64': {
michael@0:             'inherit_from': ['Common_Base', 'x64_Base', 'Debug_Base'],
michael@0:           },
michael@0:           'Release_x64': {
michael@0:             'inherit_from': ['Common_Base', 'x64_Base', 'Release_Base'],
michael@0:           },
michael@0:           'Purify_x64': {
michael@0:             'inherit_from': ['Common_Base', 'x64_Base', 'Release_Base', 'Purify_Base'],
michael@0:           },
michael@0:         }],
michael@0:       ],
michael@0:     },
michael@0:   },
michael@0:   'conditions': [
michael@0:     ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
michael@0:       'target_defaults': {
michael@0:         # Enable -Werror by default, but put it in a variable so it can
michael@0:         # be disabled in ~/.gyp/include.gypi on the valgrind builders.
michael@0:         'variables': {
michael@0:           # Use -fno-strict-aliasing by default since gcc 4.4 has periodic
michael@0:           # issues that slip through the cracks. We could do this just for
michael@0:           # gcc 4.4 but it makes more sense to be consistent on all
michael@0:           # compilers in use. TODO(Craig): turn this off again when
michael@0:           # there is some 4.4 test infrastructure in place and existing
michael@0:           # aliasing issues have been fixed.
michael@0:           'no_strict_aliasing%': 1,
michael@0:           'conditions': [['OS=="linux"', {'werror%': '-Werror',}],
michael@0:                          ['OS=="freebsd"', {'werror%': '',}],
michael@0:                          ['OS=="openbsd"', {'werror%': '',}],
michael@0:           ],
michael@0:         },
michael@0:         'cflags': [
michael@0:           '<(werror)',  # See note above about the werror variable.
michael@0:           '-pthread',
michael@0:           '-fno-exceptions',
michael@0:           '-Wall',
michael@0:           # TODO(evan): turn this back on once all the builds work.
michael@0:           # '-Wextra',
michael@0:           # Don't warn about unused function params.  We use those everywhere.
michael@0:           '-Wno-unused-parameter',
michael@0:           # Don't warn about the "struct foo f = {0};" initialization pattern.
michael@0:           '-Wno-missing-field-initializers',
michael@0:           '-D_FILE_OFFSET_BITS=64',
michael@0:           # Don't export any symbols (for example, to plugins we dlopen()).
michael@0:           # Note: this is *required* to make some plugins work.
michael@0:           '-fvisibility=hidden',
michael@0:         ],
michael@0:         'cflags_cc': [
michael@0:           '-fno-rtti',
michael@0:           '-fno-threadsafe-statics',
michael@0:           # Make inline functions have hidden visiblity by default.
michael@0:           # Surprisingly, not covered by -fvisibility=hidden.
michael@0:           '-fvisibility-inlines-hidden',
michael@0:         ],
michael@0:         'ldflags': [
michael@0:           '-pthread', '-Wl,-z,noexecstack',
michael@0:         ],
michael@0:         'scons_variable_settings': {
michael@0:           'LIBPATH': ['$LIB_DIR'],
michael@0:           # Linking of large files uses lots of RAM, so serialize links
michael@0:           # using the handy flock command from util-linux.
michael@0:           'FLOCK_LINK': ['flock', '$TOP_BUILDDIR/linker.lock', '$LINK'],
michael@0:           'FLOCK_SHLINK': ['flock', '$TOP_BUILDDIR/linker.lock', '$SHLINK'],
michael@0:           'FLOCK_LDMODULE': ['flock', '$TOP_BUILDDIR/linker.lock', '$LDMODULE'],
michael@0: 
michael@0:           # We have several cases where archives depend on each other in
michael@0:           # a cyclic fashion.  Since the GNU linker does only a single
michael@0:           # pass over the archives we surround the libraries with
michael@0:           # --start-group and --end-group (aka -( and -) ). That causes
michael@0:           # ld to loop over the group until no more undefined symbols
michael@0:           # are found. In an ideal world we would only make groups from
michael@0:           # those libraries which we knew to be in cycles. However,
michael@0:           # that's tough with SCons, so we bodge it by making all the
michael@0:           # archives a group by redefining the linking command here.
michael@0:           #
michael@0:           # TODO:  investigate whether we still have cycles that
michael@0:           # require --{start,end}-group.  There has been a lot of
michael@0:           # refactoring since this was first coded, which might have
michael@0:           # eliminated the circular dependencies.
michael@0:           #
michael@0:           # Note:  $_LIBDIRFLAGS comes before ${LINK,SHLINK,LDMODULE}FLAGS
michael@0:           # so that we prefer our own built libraries (e.g. -lpng) to
michael@0:           # system versions of libraries that pkg-config might turn up.
michael@0:           # TODO(sgk): investigate handling this not by re-ordering the
michael@0:           # flags this way, but by adding a hook to use the SCons
michael@0:           # ParseFlags() option on the output from pkg-config.
michael@0:           'LINKCOM': [['$FLOCK_LINK', '-o', '$TARGET',
michael@0:                        '$_LIBDIRFLAGS', '$LINKFLAGS', '$SOURCES',
michael@0:                        '-Wl,--start-group', '$_LIBFLAGS', '-Wl,--end-group']],
michael@0:           'SHLINKCOM': [['$FLOCK_SHLINK', '-o', '$TARGET',
michael@0:                          '$_LIBDIRFLAGS', '$SHLINKFLAGS', '$SOURCES',
michael@0:                          '-Wl,--start-group', '$_LIBFLAGS', '-Wl,--end-group']],
michael@0:           'LDMODULECOM': [['$FLOCK_LDMODULE', '-o', '$TARGET',
michael@0:                            '$_LIBDIRFLAGS', '$LDMODULEFLAGS', '$SOURCES',
michael@0:                            '-Wl,--start-group', '$_LIBFLAGS', '-Wl,--end-group']],
michael@0:           'IMPLICIT_COMMAND_DEPENDENCIES': 0,
michael@0:           # -rpath is only used when building with shared libraries.
michael@0:           'conditions': [
michael@0:             [ 'component=="shared_library"', {
michael@0:               'RPATH': '$LIB_DIR',
michael@0:             }],
michael@0:           ],
michael@0:         },
michael@0:         'scons_import_variables': [
michael@0:           'AS',
michael@0:           'CC',
michael@0:           'CXX',
michael@0:           'LINK',
michael@0:         ],
michael@0:         'scons_propagate_variables': [
michael@0:           'AS',
michael@0:           'CC',
michael@0:           'CCACHE_DIR',
michael@0:           'CXX',
michael@0:           'DISTCC_DIR',
michael@0:           'DISTCC_HOSTS',
michael@0:           'HOME',
michael@0:           'INCLUDE_SERVER_ARGS',
michael@0:           'INCLUDE_SERVER_PORT',
michael@0:           'LINK',
michael@0:           'CHROME_BUILD_TYPE',
michael@0:           'CHROMIUM_BUILD',
michael@0:           'OFFICIAL_BUILD',
michael@0:         ],
michael@0:         'configurations': {
michael@0:           'Debug_Base': {
michael@0:             'variables': {
michael@0:               'debug_optimize%': '0',
michael@0:             },
michael@0:             'defines': [
michael@0:               '_DEBUG',
michael@0:             ],
michael@0:             'cflags': [
michael@0:               '-O>(debug_optimize)',
michael@0:               '-g',
michael@0:               # One can use '-gstabs' to enable building the debugging
michael@0:               # information in STABS format for breakpad's dumpsyms.
michael@0:             ],
michael@0:             'ldflags': [
michael@0:               '-rdynamic',  # Allows backtrace to resolve symbols.
michael@0:             ],
michael@0:           },
michael@0:           'Release_Base': {
michael@0:             'variables': {
michael@0:               'release_optimize%': '2',
michael@0:             },
michael@0:             'cflags': [
michael@0:               '-O>(release_optimize)',
michael@0:               # Don't emit the GCC version ident directives, they just end up
michael@0:               # in the .comment section taking up binary size.
michael@0:               '-fno-ident',
michael@0:               # Put data and code in their own sections, so that unused symbols
michael@0:               # can be removed at link time with --gc-sections.
michael@0:               '-fdata-sections',
michael@0:               '-ffunction-sections',
michael@0:             ],
michael@0:             'ldflags': [
michael@0:               '-Wl,--gc-sections',
michael@0:             ],
michael@0:           },
michael@0:         },
michael@0:         'variants': {
michael@0:           'coverage': {
michael@0:             'cflags': ['-fprofile-arcs', '-ftest-coverage'],
michael@0:             'ldflags': ['-fprofile-arcs'],
michael@0:           },
michael@0:           'profile': {
michael@0:             'cflags': ['-pg', '-g'],
michael@0:             'ldflags': ['-pg'],
michael@0:           },
michael@0:           'symbols': {
michael@0:             'cflags': ['-g'],
michael@0:           },
michael@0:         },
michael@0:         'conditions': [
michael@0:           [ 'target_arch=="ia32"', {
michael@0:             'asflags': [
michael@0:               # Needed so that libs with .s files (e.g. libicudata.a)
michael@0:               # are compatible with the general 32-bit-ness.
michael@0:               '-32',
michael@0:             ],
michael@0:             # All floating-point computations on x87 happens in 80-bit
michael@0:             # precision.  Because the C and C++ language standards allow
michael@0:             # the compiler to keep the floating-point values in higher
michael@0:             # precision than what's specified in the source and doing so
michael@0:             # is more efficient than constantly rounding up to 64-bit or
michael@0:             # 32-bit precision as specified in the source, the compiler,
michael@0:             # especially in the optimized mode, tries very hard to keep
michael@0:             # values in x87 floating-point stack (in 80-bit precision)
michael@0:             # as long as possible. This has important side effects, that
michael@0:             # the real value used in computation may change depending on
michael@0:             # how the compiler did the optimization - that is, the value
michael@0:             # kept in 80-bit is different than the value rounded down to
michael@0:             # 64-bit or 32-bit. There are possible compiler options to make
michael@0:             # this behavior consistent (e.g. -ffloat-store would keep all
michael@0:             # floating-values in the memory, thus force them to be rounded
michael@0:             # to its original precision) but they have significant runtime
michael@0:             # performance penalty.
michael@0:             #
michael@0:             # -mfpmath=sse -msse2 makes the compiler use SSE instructions
michael@0:             # which keep floating-point values in SSE registers in its
michael@0:             # native precision (32-bit for single precision, and 64-bit for
michael@0:             # double precision values). This means the floating-point value
michael@0:             # used during computation does not change depending on how the
michael@0:             # compiler optimized the code, since the value is always kept
michael@0:             # in its specified precision.
michael@0:             'conditions': [
michael@0:               ['branding=="Chromium" and disable_sse2==0', {
michael@0:                 'cflags': [
michael@0:                   '-march=pentium4',
michael@0:                   '-msse2',
michael@0:                   '-mfpmath=sse',
michael@0:                 ],
michael@0:               }],
michael@0:               # ChromeOS targets Pinetrail, which is sse3, but most of the
michael@0:               # benefit comes from sse2 so this setting allows ChromeOS
michael@0:               # to build on other CPUs.  In the future -march=atom would help
michael@0:               # but requires a newer compiler.
michael@0:               ['chromeos==1 and disable_sse2==0', {
michael@0:                 'cflags': [
michael@0:                   '-msse2',
michael@0:                 ],
michael@0:               }],
michael@0:             ],
michael@0:             # -mmmx allows mmintrin.h to be used for mmx intrinsics.
michael@0:             # video playback is mmx and sse2 optimized.
michael@0:             'cflags': [
michael@0:               '-m32',
michael@0:               '-mmmx',
michael@0:             ],
michael@0:             'ldflags': [
michael@0:               '-m32',
michael@0:             ],
michael@0:           }],
michael@0:           ['target_arch=="arm"', {
michael@0:             'target_conditions': [
michael@0:               ['_toolset=="target"', {
michael@0:                 'cflags_cc': [
michael@0:                   # The codesourcery arm-2009q3 toolchain warns at that the ABI
michael@0:                   # has changed whenever it encounters a varargs function. This
michael@0:                   # silences those warnings, as they are not helpful and
michael@0:                   # clutter legitimate warnings.
michael@0:                   '-Wno-abi',
michael@0:                 ],
michael@0:                 'conditions': [
michael@0:                   ['arm_thumb == 1', {
michael@0:                     'cflags': [
michael@0:                     '-mthumb',
michael@0:                     # TODO(piman): -Wa,-mimplicit-it=thumb is needed for
michael@0:                     # inline assembly that uses condition codes but it's
michael@0:                     # suboptimal. Better would be to #ifdef __thumb__ at the
michael@0:                     # right place and have a separate thumb path.
michael@0:                     '-Wa,-mimplicit-it=thumb',
michael@0:                     ]
michael@0:                   }],
michael@0:                   ['armv7==1', {
michael@0:                     'cflags': [
michael@0:                       '-march=armv7-a',
michael@0:                       '-mtune=cortex-a8',
michael@0:                       '-mfloat-abi=softfp',
michael@0:                     ],
michael@0:                     'conditions': [
michael@0:                       ['arm_neon==1', {
michael@0:                         'cflags': [ '-mfpu=neon', ],
michael@0:                       }, {
michael@0:                         'cflags': [ '-mfpu=<(arm_fpu)', ],
michael@0:                       }]
michael@0:                     ],
michael@0:                   }],
michael@0:                 ],
michael@0:               }],
michael@0:             ],
michael@0:           }],
michael@0:           ['linux_fpic==1', {
michael@0:             'cflags': [
michael@0:               '-fPIC',
michael@0:             ],
michael@0:           }],
michael@0:           ['sysroot!=""', {
michael@0:             'target_conditions': [
michael@0:               ['_toolset=="target"', {
michael@0:                 'cflags': [
michael@0:                   '--sysroot=<(sysroot)',
michael@0:                 ],
michael@0:                 'ldflags': [
michael@0:                   '--sysroot=<(sysroot)',
michael@0:                 ],
michael@0:               }]]
michael@0:           }],
michael@0:           ['no_strict_aliasing==1', {
michael@0:             'cflags': [
michael@0:               '-fno-strict-aliasing',
michael@0:             ],
michael@0:           }],
michael@0:           ['linux_breakpad==1', {
michael@0:             'cflags': [ '-gstabs' ],
michael@0:             'defines': ['USE_LINUX_BREAKPAD'],
michael@0:           }],
michael@0:           ['linux_use_seccomp_sandbox==1 and buildtype!="Official"', {
michael@0:             'defines': ['USE_SECCOMP_SANDBOX'],
michael@0:           }],
michael@0:           ['library=="shared_library"', {
michael@0:             # When building with shared libraries, remove the visiblity-hiding
michael@0:             # flag.
michael@0:             'cflags!': [ '-fvisibility=hidden' ],
michael@0:             'conditions': [
michael@0:               ['target_arch=="x64" or target_arch=="arm"', {
michael@0:                 # Shared libraries need -fPIC on x86-64 and arm
michael@0:                 'cflags': ['-fPIC']
michael@0:               }]
michael@0:             ],
michael@0:           }],
michael@0:           ['linux_use_heapchecker==1', {
michael@0:             'variables': {'linux_use_tcmalloc%': 1},
michael@0:           }],
michael@0:           ['linux_use_tcmalloc==0', {
michael@0:             'defines': ['NO_TCMALLOC'],
michael@0:           }],
michael@0:           ['linux_use_heapchecker==0', {
michael@0:             'defines': ['NO_HEAPCHECKER'],
michael@0:           }],
michael@0:         ],
michael@0:       },
michael@0:     }],
michael@0:     # FreeBSD-specific options; note that most FreeBSD options are set above,
michael@0:     # with Linux.
michael@0:     ['OS=="freebsd"', {
michael@0:       'target_defaults': {
michael@0:         'ldflags': [
michael@0:           '-Wl,--no-keep-memory',
michael@0:         ],
michael@0:       },
michael@0:     }],
michael@0:     ['OS=="solaris"', {
michael@0:       'cflags!': ['-fvisibility=hidden'],
michael@0:       'cflags_cc!': ['-fvisibility-inlines-hidden'],
michael@0:     }],
michael@0:     ['OS=="mac"', {
michael@0:       'target_defaults': {
michael@0:         'variables': {
michael@0:           # This should be 'mac_real_dsym%', but there seems to be a bug
michael@0:           # with % in variables that are intended to be set to different
michael@0:           # values in different targets, like this one.
michael@0:           'mac_real_dsym': 0,  # Fake .dSYMs are fine in most cases.
michael@0:         },
michael@0:         'mac_bundle': 0,
michael@0:         'xcode_settings': {
michael@0:           'ALWAYS_SEARCH_USER_PATHS': 'NO',
michael@0:           'GCC_C_LANGUAGE_STANDARD': 'c99',         # -std=c99
michael@0:           'GCC_CW_ASM_SYNTAX': 'NO',                # No -fasm-blocks
michael@0:           'GCC_DYNAMIC_NO_PIC': 'NO',               # No -mdynamic-no-pic
michael@0:                                                     # (Equivalent to -fPIC)
michael@0:           'GCC_ENABLE_CPP_EXCEPTIONS': 'NO',        # -fno-exceptions
michael@0:           'GCC_ENABLE_CPP_RTTI': 'NO',              # -fno-rtti
michael@0:           'GCC_ENABLE_PASCAL_STRINGS': 'NO',        # No -mpascal-strings
michael@0:           # GCC_INLINES_ARE_PRIVATE_EXTERN maps to -fvisibility-inlines-hidden
michael@0:           'GCC_INLINES_ARE_PRIVATE_EXTERN': 'YES',
michael@0:           'GCC_OBJC_CALL_CXX_CDTORS': 'YES',        # -fobjc-call-cxx-cdtors
michael@0:           'GCC_SYMBOLS_PRIVATE_EXTERN': 'YES',      # -fvisibility=hidden
michael@0:           'GCC_THREADSAFE_STATICS': 'NO',           # -fno-threadsafe-statics
michael@0:           'GCC_TREAT_WARNINGS_AS_ERRORS': 'YES',    # -Werror
michael@0:           'GCC_VERSION': '4.2',
michael@0:           'GCC_WARN_ABOUT_MISSING_NEWLINE': 'YES',  # -Wnewline-eof
michael@0:           # MACOSX_DEPLOYMENT_TARGET maps to -mmacosx-version-min
michael@0:           'MACOSX_DEPLOYMENT_TARGET': '<(mac_deployment_target)',
michael@0:           'PREBINDING': 'NO',                       # No -Wl,-prebind
michael@0:           'USE_HEADERMAP': 'NO',
michael@0:           'WARNING_CFLAGS': ['-Wall', '-Wendif-labels'],
michael@0:           'conditions': [
michael@0:             ['chromium_mac_pch', {'GCC_PRECOMPILE_PREFIX_HEADER': 'YES'},
michael@0:                                  {'GCC_PRECOMPILE_PREFIX_HEADER': 'NO'}
michael@0:             ],
michael@0:           ],
michael@0:         },
michael@0:         'target_conditions': [
michael@0:           ['_type!="static_library"', {
michael@0:             'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-search_paths_first']},
michael@0:           }],
michael@0:           ['_mac_bundle', {
michael@0:             'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-ObjC']},
michael@0:           }],
michael@0:           ['_type=="executable" or _type=="shared_library"', {
michael@0:             'target_conditions': [
michael@0:               ['mac_real_dsym == 1', {
michael@0:                 # To get a real .dSYM bundle produced by dsymutil, set the
michael@0:                 # debug information format to dwarf-with-dsym.  Since
michael@0:                 # strip_from_xcode will not be used, set Xcode to do the
michael@0:                 # stripping as well.
michael@0:                 'configurations': {
michael@0:                   'Release_Base': {
michael@0:                     'xcode_settings': {
michael@0:                       'DEBUG_INFORMATION_FORMAT': 'dwarf-with-dsym',
michael@0:                       'DEPLOYMENT_POSTPROCESSING': 'YES',
michael@0:                       'STRIP_INSTALLED_PRODUCT': 'YES',
michael@0:                       'target_conditions': [
michael@0:                         ['_type=="shared_library"', {
michael@0:                           # The Xcode default is to strip debugging symbols
michael@0:                           # only (-S).  Local symbols should be stripped as
michael@0:                           # well, which will be handled by -x.  Xcode will
michael@0:                           # continue to insert -S when stripping even when
michael@0:                           # additional flags are added with STRIPFLAGS.
michael@0:                           'STRIPFLAGS': '-x',
michael@0:                         }],  # _type=="shared_library"
michael@0:                       ],  # target_conditions
michael@0:                     },  # xcode_settings
michael@0:                   },  # configuration "Release"
michael@0:                 },  # configurations
michael@0:               }, {  # mac_real_dsym != 1
michael@0:                 # To get a fast fake .dSYM bundle, use a post-build step to
michael@0:                 # produce the .dSYM and strip the executable.  strip_from_xcode
michael@0:                 # only operates in the Release configuration.
michael@0:                 'postbuilds': [
michael@0:                   {
michael@0:                     'variables': {
michael@0:                       # Define strip_from_xcode in a variable ending in _path
michael@0:                       # so that gyp understands it's a path and performs proper
michael@0:                       # relativization during dict merging.
michael@0:                       'strip_from_xcode_path': 'mac/strip_from_xcode',
michael@0:                     },
michael@0:                     'postbuild_name': 'Strip If Needed',
michael@0:                     'action': ['<(strip_from_xcode_path)'],
michael@0:                   },
michael@0:                 ],  # postbuilds
michael@0:               }],  # mac_real_dsym
michael@0:             ],  # target_conditions
michael@0:           }],  # _type=="executable" or _type=="shared_library"
michael@0:         ],  # target_conditions
michael@0:       },  # target_defaults
michael@0:     }],  # OS=="mac"
michael@0:     ['OS=="win"', {
michael@0:       'target_defaults': {
michael@0:         'defines': [
michael@0:           '_WIN32_WINNT=0x0600',
michael@0:           'WINVER=0x0600',
michael@0:           'WIN32',
michael@0:           '_WINDOWS',
michael@0:           '_HAS_EXCEPTIONS=0',
michael@0:           'NOMINMAX',
michael@0:           '_CRT_RAND_S',
michael@0:           'CERT_CHAIN_PARA_HAS_EXTRA_FIELDS',
michael@0:           'WIN32_LEAN_AND_MEAN',
michael@0:           '_SECURE_ATL',
michael@0:           '_HAS_TR1=0',
michael@0:         ],
michael@0:         'msvs_system_include_dirs': [
michael@0:           '<(DEPTH)/third_party/platformsdk_win7/files/Include',
michael@0:           '$(VSInstallDir)/VC/atlmfc/include',
michael@0:         ],
michael@0:         'msvs_cygwin_dirs': ['<(DEPTH)/third_party/cygwin'],
michael@0:         'msvs_disabled_warnings': [4396, 4503, 4819],
michael@0:         'msvs_settings': {
michael@0:           'VCCLCompilerTool': {
michael@0:             'MinimalRebuild': 'false',
michael@0:             'ExceptionHandling': '0',
michael@0:             'BufferSecurityCheck': 'true',
michael@0:             'EnableFunctionLevelLinking': 'true',
michael@0:             'RuntimeTypeInfo': 'false',
michael@0:             'WarningLevel': '3',
michael@0:             'WarnAsError': 'true',
michael@0:             'DebugInformationFormat': '3',
michael@0:             'conditions': [
michael@0:               [ 'msvs_multi_core_compile', {
michael@0:                 'AdditionalOptions': ['/MP'],
michael@0:               }],
michael@0:             ],
michael@0:           },
michael@0:           'VCLibrarianTool': {
michael@0:             'AdditionalOptions': ['/ignore:4221'],
michael@0:             'AdditionalLibraryDirectories':
michael@0:               ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'],
michael@0:           },
michael@0:           'VCLinkerTool': {
michael@0:             'AdditionalDependencies': [
michael@0:               'wininet.lib',
michael@0:               'version.lib',
michael@0:               'msimg32.lib',
michael@0:               'ws2_32.lib',
michael@0:               'usp10.lib',
michael@0:               'psapi.lib',
michael@0:               'dbghelp.lib',
michael@0:             ],
michael@0:             'AdditionalLibraryDirectories':
michael@0:               ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'],
michael@0:             'GenerateDebugInformation': 'true',
michael@0:             'MapFileName': '$(OutDir)\\$(TargetName).map',
michael@0:             'ImportLibrary': '$(OutDir)\\lib\\$(TargetName).lib',
michael@0:             'FixedBaseAddress': '1',
michael@0:             # SubSystem values:
michael@0:             #   0 == not set
michael@0:             #   1 == /SUBSYSTEM:CONSOLE
michael@0:             #   2 == /SUBSYSTEM:WINDOWS
michael@0:             # Most of the executables we'll ever create are tests
michael@0:             # and utilities with console output.
michael@0:             'SubSystem': '1',
michael@0:           },
michael@0:           'VCMIDLTool': {
michael@0:             'GenerateStublessProxies': 'true',
michael@0:             'TypeLibraryName': '$(InputName).tlb',
michael@0:             'OutputDirectory': '$(IntDir)',
michael@0:             'HeaderFileName': '$(InputName).h',
michael@0:             'DLLDataFileName': 'dlldata.c',
michael@0:             'InterfaceIdentifierFileName': '$(InputName)_i.c',
michael@0:             'ProxyFileName': '$(InputName)_p.c',
michael@0:           },
michael@0:           'VCResourceCompilerTool': {
michael@0:             'Culture' : '1033',
michael@0:             'AdditionalIncludeDirectories': ['<(DEPTH)'],
michael@0:           },
michael@0:         },
michael@0:       },
michael@0:     }],
michael@0:     ['disable_nacl==1 or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
michael@0:       'target_defaults': {
michael@0:         'defines': [
michael@0:           'DISABLE_NACL',
michael@0:         ],
michael@0:       },
michael@0:     }],
michael@0:     ['OS=="win" and msvs_use_common_linker_extras', {
michael@0:       'target_defaults': {
michael@0:         'msvs_settings': {
michael@0:           'VCLinkerTool': {
michael@0:             'DelayLoadDLLs': [
michael@0:               'dbghelp.dll',
michael@0:               'dwmapi.dll',
michael@0:               'uxtheme.dll',
michael@0:             ],
michael@0:           },
michael@0:         },
michael@0:         'configurations': {
michael@0:           'x86_Base': {
michael@0:             'msvs_settings': {
michael@0:               'VCLinkerTool': {
michael@0:                 'AdditionalOptions': [
michael@0:                   '/safeseh',
michael@0:                   '/dynamicbase',
michael@0:                   '/ignore:4199',
michael@0:                   '/ignore:4221',
michael@0:                   '/nxcompat',
michael@0:                 ],
michael@0:               },
michael@0:             },
michael@0:           },
michael@0:           'x64_Base': {
michael@0:             'msvs_settings': {
michael@0:               'VCLinkerTool': {
michael@0:                 'AdditionalOptions': [
michael@0:                   # safeseh is not compatible with x64
michael@0:                   '/dynamicbase',
michael@0:                   '/ignore:4199',
michael@0:                   '/ignore:4221',
michael@0:                   '/nxcompat',
michael@0:                 ],
michael@0:               },
michael@0:             },
michael@0:           },
michael@0:         },
michael@0:       },
michael@0:     }],
michael@0:     ['enable_new_npdevice_api==1', {
michael@0:       'target_defaults': {
michael@0:         'defines': [
michael@0:           'ENABLE_NEW_NPDEVICE_API',
michael@0:         ],
michael@0:       },
michael@0:     }],
michael@0:   ],
michael@0:   'scons_settings': {
michael@0:     'sconsbuild_dir': '<(DEPTH)/sconsbuild',
michael@0:     'tools': ['ar', 'as', 'gcc', 'g++', 'gnulink', 'chromium_builders'],
michael@0:   },
michael@0:   'xcode_settings': {
michael@0:     # DON'T ADD ANYTHING NEW TO THIS BLOCK UNLESS YOU REALLY REALLY NEED IT!
michael@0:     # This block adds *project-wide* configuration settings to each project
michael@0:     # file.  It's almost always wrong to put things here.  Specify your
michael@0:     # custom xcode_settings in target_defaults to add them to targets instead.
michael@0: 
michael@0:     # In an Xcode Project Info window, the "Base SDK for All Configurations"
michael@0:     # setting sets the SDK on a project-wide basis.  In order to get the
michael@0:     # configured SDK to show properly in the Xcode UI, SDKROOT must be set
michael@0:     # here at the project level.
michael@0:     'SDKROOT': 'macosx<(mac_sdk)',  # -isysroot
michael@0: 
michael@0:     # The Xcode generator will look for an xcode_settings section at the root
michael@0:     # of each dict and use it to apply settings on a file-wide basis.  Most
michael@0:     # settings should not be here, they should be in target-specific
michael@0:     # xcode_settings sections, or better yet, should use non-Xcode-specific
michael@0:     # settings in target dicts.  SYMROOT is a special case, because many other
michael@0:     # Xcode variables depend on it, including variables such as
michael@0:     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
michael@0:     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
michael@0:     # files to appear (when present) in the UI as actual files and not red
michael@0:     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
michael@0:     # and therefore SYMROOT, needs to be set at the project level.
michael@0:     'SYMROOT': '<(DEPTH)/xcodebuild',
michael@0:   },
michael@0: }
michael@0: 
michael@0: # Local Variables:
michael@0: # tab-width:2
michael@0: # indent-tabs-mode:nil
michael@0: # End:
michael@0: # vim: set expandtab tabstop=2 shiftwidth=2: