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Diffstat (limited to 'chromium/breakpad/src/build/common.gypi')
| -rw-r--r-- | chromium/breakpad/src/build/common.gypi | 1151 |
1 files changed, 1151 insertions, 0 deletions
diff --git a/chromium/breakpad/src/build/common.gypi b/chromium/breakpad/src/build/common.gypi new file mode 100644 index 00000000000..097fadc19af --- /dev/null +++ b/chromium/breakpad/src/build/common.gypi @@ -0,0 +1,1151 @@ +# Copyright 2010 Google Inc. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# IMPORTANT: +# Please don't directly include this file if you are building via gyp_chromium, +# since gyp_chromium is automatically forcing its inclusion. +{ + 'variables': { + # 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 necessary to get these variables defined for the conditions + # within this variables dict that operate on these variables. + 'variables': { + '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', + }], + ], + }, + + 'host_arch%': '<(host_arch)', + + # Default architecture we're building for is the architecture we're + # building on. + 'target_arch%': '<(host_arch)', + + # 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 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', + + # Determine ARM compilation flags. + 'arm_version%': 7, + + # Set Neon compilation flags (only meaningful if arm_version==7). + 'arm_neon%': 1, + + # The system root for cross-compiles. Default: none. + 'sysroot%': '', + + # On Linux, we build with sse2 for Chromium builds. + 'disable_sse2%': 0, + }, + + 'target_arch%': '<(target_arch)', + 'host_arch%': '<(host_arch)', + 'inside_chromium_build%': '<(inside_chromium_build)', + 'linux_fpic%': '<(linux_fpic)', + 'python_ver%': '<(python_ver)', + 'arm_version%': '<(arm_version)', + 'arm_neon%': '<(arm_neon)', + 'sysroot%': '<(sysroot)', + 'disable_sse2%': '<(disable_sse2)', + + # 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, + + # 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, # 0 = shim allocator via libcmt; 1 = msvcrt + + # Whether usage of OpenMAX is enabled. + 'enable_openmax%': 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 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 arm_version==7 and + # arm_neon==0). + 'arm_fpu%': 'vfpv3', + + # Enable new NPDevice API. + 'enable_new_npdevice_api%': 0, + + '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)', + 'linux_breakpad%': 1, + 'linux_dump_symbols%': 1, + }], # OS=="linux" or OS=="freebsd" or OS=="openbsd" + ['OS=="mac"', { + # Mac wants Title Case strings + 'use_titlecase_in_grd_files%': 1, + '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': [ + ['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', + ], + }], + # Compute based on OS and target architecture whether the GPU + # plugin / process is supported. + [ 'OS=="win" or (OS=="linux" and target_arch!="arm") or OS=="mac"', { + # 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, + }, { # GPU plugin not supported + 'enable_gpu%': 0, + }], + # Compute based on OS, target architecture and device whether GLES + # is supported + [ 'OS=="linux" and target_arch=="arm"', { + # Enable a variable used elsewhere throughout the GYP files to determine + # whether to compile in the sources for the GLES support. + 'enable_gles%': 1, + }, { # GLES not supported + 'enable_gles%': 0, + }], + ], + + # 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', + ], + }, + 'target_defaults': { + 'variables': { + # 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/aa652367(VS.71).aspx + 'win_release_RuntimeLibrary%': '0', # 0 = /MT (nondebug static) + 'win_debug_RuntimeLibrary%': '1', # 1 = /MTd (debug static) + + 'release_extra_cflags%': '', + 'debug_extra_cflags%': '', + 'release_valgrind_build%': 0, + }, + 'conditions': [ + ['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_gles==1', { + 'defines': [ + 'ENABLE_GLES=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': [ + [ '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', + # This is required for ATL to use XP-safe versions of its functions. + '_USING_V110_SDK71_', + ], + 'msvs_disabled_warnings': [4800], + 'msvs_settings': { + 'VCCLCompilerTool': { + 'WarnAsError': 'true', + 'Detect64BitPortabilityProblems': 'false', + }, + }, + }], + [ 'OS=="mac"', { + 'xcode_settings': { + 'GCC_TREAT_WARNINGS_AS_ERRORS': 'NO', + 'WARNING_CFLAGS!': ['-Wall'], + }, + }], + ], # 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': { + 'MinimumRequiredVersion': '5.01', # XP. + '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, + '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': '3', + 'RuntimeLibrary': '<(win_debug_RuntimeLibrary)', + }, + '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)', + }, + 'VCLinkerTool': { + 'LinkIncremental': '1', + }, + }, + 'conditions': [ + ['release_valgrind_build==0', { + 'defines': ['NVALGRIND'], + }], + ['win_use_allocator_shim==0', { + 'defines': ['NO_TCMALLOC'], + }], + ['win_release_RuntimeLibrary==2', { + # Visual C++ 2008 barfs when building anything with /MD (msvcrt): + # VC\include\typeinfo(139) : warning C4275: non dll-interface + # class 'stdext::exception' used as base for dll-interface + # class 'std::bad_cast' + 'msvs_disabled_warnings': [4275], + }], + ['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', { + 'defines': ['OFFICIAL_BUILD'], + 'msvs_settings': { + 'VCCLCompilerTool': { + 'Optimization': '3', + 'StringPooling': 'true', + 'OmitFramePointers': 'true', + 'InlineFunctionExpansion': '2', + 'EnableIntrinsicFunctions': 'true', + 'FavorSizeOrSpeed': '2', + 'OmitFramePointers': 'true', + 'EnableFiberSafeOptimizations': 'true', + 'WholeProgramOptimization': 'true', + }, + 'VCLibrarianTool': { + 'AdditionalOptions': ['/ltcg', '/expectedoutputsize:120000000'], + }, + 'VCLinkerTool': { + 'LinkIncremental': '1', + 'OptimizeReferences': '2', + 'EnableCOMDATFolding': '2', + 'OptimizeForWindows98': '1', + 'LinkTimeCodeGeneration': '1', + }, + }, + }], + ] + }, + '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', '$_LIBFLAGS', '-Wl,--end-group']], + 'IMPLICIT_COMMAND_DEPENDENCIES': 0, + # -rpath is only used when building with shared libraries. + 'conditions': [ + [ 'component=="shared_library"', { + 'RPATH': '$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', + }, + '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', + ], + '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': [ + ['disable_sse2==0', { + 'cflags': [ + '-march=pentium4', + '-msse2', + '-mfpmath=sse', + ], + }], + ], + # -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', + ] + }], + ['arm_version==7', { + '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'], + }], + ['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'], + '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"', { + '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"', { + # 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" + ], # 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" + ], # target_conditions + }, # target_defaults + }], # OS=="mac" + ['OS=="win"', { + 'target_defaults': { + 'defines': [ + '_WIN32_WINNT=0x0600', + 'WINVER=0x0600', + 'WIN32', + '_WINDOWS', + '_HAS_EXCEPTIONS=0', + 'NOMINMAX', + '_CRT_RAND_S', + 'CERT_CHAIN_PARA_HAS_EXTRA_FIELDS', + 'WIN32_LEAN_AND_MEAN', + '_SECURE_ATL', + '_HAS_TR1=0', + ], + 'msvs_system_include_dirs': [ + '<(DEPTH)/third_party/platformsdk_win7/files/Include', + '$(VSInstallDir)/VC/atlmfc/include', + ], + 'msvs_cygwin_dirs': ['<(DEPTH)/third_party/cygwin'], + 'msvs_disabled_warnings': [ + 4100, 4127, 4396, 4503, 4512, 4819, 4995, 4702 + ], + 'msvs_settings': { + 'VCCLCompilerTool': { + 'MinimalRebuild': 'false', + 'ExceptionHandling': '0', + 'BufferSecurityCheck': 'true', + 'EnableFunctionLevelLinking': 'true', + 'RuntimeTypeInfo': 'false', + 'WarningLevel': '4', + 'WarnAsError': 'true', + 'DebugInformationFormat': '3', + 'conditions': [ + [ 'msvs_multi_core_compile', { + 'AdditionalOptions': ['/MP'], + }], + ], + }, + 'VCLibrarianTool': { + 'AdditionalOptions': ['/ignore:4221'], + 'AdditionalLibraryDirectories': + ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'], + }, + 'VCLinkerTool': { + 'AdditionalDependencies': [ + 'wininet.lib', + 'version.lib', + 'msimg32.lib', + 'ws2_32.lib', + 'usp10.lib', + 'psapi.lib', + 'dbghelp.lib', + ], + 'AdditionalLibraryDirectories': + ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'], + 'GenerateDebugInformation': 'true', + 'MapFileName': '$(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)'], + }, + }, + }, + }], + ['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', + }, +} |