# Copyright (c) 2009 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. # IMPORTANT: # Please don't directly include this file if you are building via gyp_chromium, # since gyp_chromium is automatically forcing its inclusion. { 'variables': { # .gyp files should set chromium_code to 1 if they build Chromium-specific # code, as opposed to external code. This variable is used to control # such things as the set of warnings to enable, and whether warnings are # treated as errors. 'chromium_code%': 0, # Variables expected to be overriden on the GYP command line (-D) or by # ~/.gyp/include.gypi. # Putting a variables dict inside another variables dict looks kind of # weird. This is done so that "branding" and "buildtype" are defined as # variables within the outer variables dict here. This is necessary # to get these variables defined for the conditions within this variables # dict that operate on these variables. 'variables': { # Override branding to select the desired branding flavor. 'branding%': 'Chromium', # Override buildtype to select the desired build flavor. # Dev - everyday build for development/testing # Official - release build (generally implies additional processing) # TODO(mmoss) Once 'buildtype' is fully supported (e.g. Windows gyp # conversion is done), some of the things which are now controlled by # 'branding', such as symbol generation, will need to be refactored based # on 'buildtype' (i.e. we don't care about saving symbols for non-Official # builds). 'buildtype%': 'Dev', # Compute the architecture that we're building for. Default to the # architecture that we're building on. 'conditions': [ [ 'OS=="linux" or OS=="freebsd"', { # 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. 'target_arch%': '. # Additional documentation on these macros is available at # http://developer.apple.com/mac/library/technotes/tn2002/tn2064.html#SECTION3 # Chrome normally builds with the Mac OS X 10.5 SDK and sets the # deployment target to 10.5. Other projects, such as O3D, may override # these defaults. 'mac_sdk%': '10.5', 'mac_deployment_target%': '10.5', # Set to 1 to enable code coverage. In addition to build changes # (e.g. extra CFLAGS), also creates a new target in the src/chrome # project file called "coverage". # Currently ignored on Windows. 'coverage%': 0, # Overridable specification for potential use of alternative # JavaScript engines. 'javascript_engine%': 'v8', # Although base/allocator lets you select a heap library via an # environment variable, the libcmt shim it uses sometimes gets in # the way. To disable it entirely, and switch to normal msvcrt, do e.g. # 'win_use_allocator_shim': 0, # 'win_release_RuntimeLibrary': 2 # to ~/.gyp/include.gypi, gclient runhooks --force, and do a release build. 'win_use_allocator_shim%': 1, # 0 = shim allocator via libcmt; 1 = msvcrt # To do a shared build on linux we need to be able to choose between type # static_library and shared_library. We default to doing a static build # but you can override this with "gyp -Dlibrary=shared_library" or you # can add the following line (without the #) to ~/.gyp/include.gypi # {'variables': {'library': 'shared_library'}} # to compile as shared by default 'library%': 'static_library', # The Google Update appid. 'google_update_appid%': '{8A69D345-D564-463c-AFF1-A69D9E530F96}', # Whether to add the experimental build define. 'chrome_frame_define%': 0, # Whether GPU plugin build is enabled. 'enable_gpu%': 0, # 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', # The system root for cross-compiles. Default: none. 'sysroot%': '', # 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%': 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 ARM-v7 compilation flags 'armv7%': 0, # Set Thumb compilation flags. 'arm_thumb%': 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%': '(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', # Don't export any symbols (for example, to plugins we dlopen()). # This must be in Release builds only because otherwise we don't # get backtraces. '-fvisibility=hidden', # We don't use exceptions. The eh_frame section is used for those # and for symbolizing backtraces. By passing this flag we drop # the eh_frame section completely, we shaving off 2.5mb from # our resulting binary. '-fno-asynchronous-unwind-tables', ], 'ldflags': [ '-Wl,--gc-sections', ], }, }, 'variants': { 'coverage': { 'cflags': ['-fprofile-arcs', '-ftest-coverage'], 'ldflags': ['-fprofile-arcs'], }, 'profile': { 'cflags': ['-pg', '-g'], 'ldflags': ['-pg'], }, 'symbols': { 'cflags': ['-g'], }, }, 'conditions': [ [ 'target_arch=="ia32"', { 'asflags': [ # Needed so that libs with .s files (e.g. libicudata.a) # are compatible with the general 32-bit-ness. '-32', ], # All floating-point computations on x87 happens in 80-bit # precision. Because the C and C++ language standards allow # the compiler to keep the floating-point values in higher # precision than what's specified in the source and doing so # is more efficient than constantly rounding up to 64-bit or # 32-bit precision as specified in the source, the compiler, # especially in the optimized mode, tries very hard to keep # values in x87 floating-point stack (in 80-bit precision) # as long as possible. This has important side effects, that # the real value used in computation may change depending on # how the compiler did the optimization - that is, the value # kept in 80-bit is different than the value rounded down to # 64-bit or 32-bit. There are possible compiler options to make # this behavior consistent (e.g. -ffloat-store would keep all # floating-values in the memory, thus force them to be rounded # to its original precision) but they have significant runtime # performance penalty. # # -mfpmath=sse -msse2 makes the compiler use SSE instructions # which keep floating-point values in SSE registers in its # native precision (32-bit for single precision, and 64-bit for # double precision values). This means the floating-point value # used during computation does not change depending on how the # compiler optimized the code, since the value is always kept # in its specified precision. 'conditions': [ ['branding=="Chromium"', { 'cflags': [ '-march=pentium4', '-msse2', '-mfpmath=sse', ], }], ], 'cflags': [ '-m32', ], 'ldflags': [ '-m32', ], }], ['target_arch=="arm"', { 'target_conditions': [ ['_toolset=="target"', { 'cflags_cc': [ # The codesourcery arm-2009q3 toolchain warns at that the ABI # has changed whenever it encounters a varargs function. This # silences those warnings, as they are not helpful and # clutter legitimate warnings. '-Wno-abi', ], 'conditions': [ ['arm_thumb == 1', { 'cflags': [ '-mthumb', # TODO(piman): -Wa,-mimplicit-it=thumb is needed for # inline assembly that uses condition codes but it's # suboptimal. Better would be to #ifdef __thumb__ at the # right place and have a separate thumb path. '-Wa,-mimplicit-it=thumb', ] }], ['armv7==1', { 'cflags': [ '-march=armv7-a', '-mtune=cortex-a8', '-mfpu=neon', '-mfloat-abi=softfp', ], }], ], }], ], }], ['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_tcmalloc==1', { 'defines': ['LINUX_USE_TCMALLOC'], }], ], }, }], # FreeBSD-specific options; note that most FreeBSD options are set above, # with Linux. ['OS=="freebsd"', { 'target_defaults': { 'ldflags': [ '-Wl,--no-keep-memory', ], }, }], ['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', '$(VSInstallDir)/VC/atlmfc/include', ], 'msvs_cygwin_dirs': ['<(DEPTH)/third_party/cygwin'], 'msvs_disabled_warnings': [4396, 4503, 4819], 'msvs_settings': { 'VCCLCompilerTool': { 'MinimalRebuild': 'false', 'ExceptionHandling': '0', 'BufferSecurityCheck': 'true', 'EnableFunctionLevelLinking': 'true', 'RuntimeTypeInfo': 'false', 'WarningLevel': '3', 'WarnAsError': 'true', 'DebugInformationFormat': '3', 'conditions': [ [ 'msvs_multi_core_compile', { 'AdditionalOptions': '/MP', }], ], }, 'VCLibrarianTool': { 'AdditionalOptions': '/ignore:4221', 'AdditionalLibraryDirectories': ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'], }, 'VCLinkerTool': { 'AdditionalDependencies': [ 'wininet.lib', 'version.lib', 'msimg32.lib', 'ws2_32.lib', 'usp10.lib', 'psapi.lib', 'dbghelp.lib', ], 'AdditionalLibraryDirectories': ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'], 'GenerateDebugInformation': 'true', 'MapFileName': '$(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': '$(InputName)_p.c', }, 'VCResourceCompilerTool': { 'Culture' : '1033', 'AdditionalIncludeDirectories': ['<(DEPTH)'], }, }, }, }], ['chromium_code==0', { # This section must follow the other condition sections above because # external_code.gypi expects to be merged into those settings. 'includes': [ 'external_code.gypi', ], }, { 'target_defaults': { # In Chromium code, we define __STDC_FORMAT_MACROS in order to get the # C99 macros on Mac and Linux. 'defines': [ '__STDC_FORMAT_MACROS', ], 'conditions': [ ['OS!="win"', { 'sources/': [ ['exclude', '_win\\.cc$'], ['exclude', '/win/'], ['exclude', '/win_[^/]*\\.cc$'] ], }], ['OS!="mac"', { 'sources/': [ ['exclude', '_(cocoa|mac)(_unittest)?\\.cc$'], ['exclude', '/(cocoa|mac)/'], ['exclude', '\.mm$' ] ], }], ['OS!="linux" and OS!="freebsd" and OS!="openbsd"', { 'sources/': [ ['exclude', '_(chromeos|gtk|linux|x|x11)(_unittest)?\\.cc$'], ['exclude', '/gtk/'], ['exclude', '/(gtk|x11)_[^/]*\\.cc$'] ], }], # We use "POSIX" to refer to all non-Windows operating systems. ['OS=="win"', { 'sources/': [ ['exclude', '_posix\\.cc$'] ], }], # Though Skia is conceptually shared by Linux and Windows, # the only _skia files in our tree are Linux-specific. ['OS!="linux" and OS!="freebsd" and OS!="openbsd"', { 'sources/': [ ['exclude', '_skia\\.cc$'] ], }], ['chromeos!=1', { 'sources/': [ ['exclude', '_chromeos\\.cc$'] ] }], ['OS!="win" and (toolkit_views==0 and chromeos==0)', { 'sources/': [ ['exclude', '_views\\.cc$'] ] }], ], }, }], # Disable native client on FreeBSD/OpenBSD for now ['disable_nacl==1 or OS=="freebsd" or OS=="openbsd"', { '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', }, }, }, }, }, }], ], 'scons_settings': { 'sconsbuild_dir': '<(DEPTH)/sconsbuild', 'tools': ['ar', 'as', 'gcc', 'g++', 'gnulink', 'chromium_builders'], }, 'xcode_settings': { # DON'T ADD ANYTHING NEW TO THIS BLOCK UNLESS YOU REALLY REALLY NEED IT! # This block adds *project-wide* configuration settings to each project # file. It's almost always wrong to put things here. Specify your # custom xcode_settings in target_defaults to add them to targets instead. # In an Xcode Project Info window, the "Base SDK for All Configurations" # setting sets the SDK on a project-wide basis. In order to get the # configured SDK to show properly in the Xcode UI, SDKROOT must be set # here at the project level. 'SDKROOT': 'macosx<(mac_sdk)', # -isysroot # The Xcode generator will look for an xcode_settings section at the root # of each dict and use it to apply settings on a file-wide basis. Most # settings should not be here, they should be in target-specific # xcode_settings sections, or better yet, should use non-Xcode-specific # settings in target dicts. SYMROOT is a special case, because many other # Xcode variables depend on it, including variables such as # PROJECT_DERIVED_FILE_DIR. When a source group corresponding to something # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the # files to appear (when present) in the UI as actual files and not red # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR, # and therefore SYMROOT, needs to be set at the project level. 'SYMROOT': '<(DEPTH)/xcodebuild', }, } # Local Variables: # tab-width:2 # indent-tabs-mode:nil # End: # vim: set expandtab tabstop=2 shiftwidth=2: