| # Copyright (c) 2013 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. |
| |
| import("//build/config/sysroot.gni") |
| import("//build/config/mac/mac_sdk.gni") |
| |
| # This is included by reference in the //build/config/compiler config that |
| # is applied to all targets. It is here to separate out the logic. |
| # |
| # This is applied to BOTH desktop Mac and iOS targets. |
| config("compiler") { |
| # These flags are shared between the C compiler and linker. |
| common_mac_flags = [] |
| |
| # CPU architecture. |
| if (current_cpu == "x64") { |
| common_mac_flags += [ |
| "-arch", |
| "x86_64", |
| ] |
| } else if (current_cpu == "x86") { |
| common_mac_flags += [ |
| "-arch", |
| "i386", |
| ] |
| } else if (current_cpu == "armv7" || current_cpu == "arm") { |
| common_mac_flags += [ |
| "-arch", |
| "armv7", |
| ] |
| } else if (current_cpu == "arm64") { |
| common_mac_flags += [ |
| "-arch", |
| "arm64", |
| ] |
| } |
| |
| asmflags = common_mac_flags |
| cflags = common_mac_flags |
| |
| # Without this, the constructors and destructors of a C++ object inside |
| # an Objective C struct won't be called, which is very bad. |
| cflags_objcc = [ "-fobjc-call-cxx-cdtors" ] |
| |
| cflags_c = [ "-std=c99" ] |
| cflags_objc = cflags_c |
| |
| ldflags = common_mac_flags |
| } |
| |
| # This is included by reference in the //build/config/compiler:runtime_library |
| # config that is applied to all targets. It is here to separate out the logic |
| # that is Mac-only. Please see that target for advice on what should go in |
| # :runtime_library vs. :compiler. |
| config("runtime_library") { |
| common_flags = [ |
| "-isysroot", |
| sysroot, |
| "-mmacosx-version-min=$mac_deployment_target", |
| ] |
| |
| asmflags = common_flags |
| cflags = common_flags |
| ldflags = common_flags |
| } |
| |
| # On Mac, this is used for everything except static libraries. |
| config("mac_dynamic_flags") { |
| ldflags = [] |
| |
| if (is_component_build) { |
| ldflags += [ |
| # Path for loading shared libraries for unbundled binaries. |
| "-Wl,-rpath,@loader_path/.", |
| |
| # Path for loading shared libraries for bundled binaries. Get back from |
| # Binary.app/Contents/MacOS. |
| "-Wl,-rpath,@loader_path/../../..", |
| ] |
| } |
| } |
| |
| # On Mac, this is used only for executables. |
| config("mac_executable_flags") { |
| # Remove this when targeting >=10.7 since it is the default in that config. |
| ldflags = [ "-Wl,-pie" ] # Position independent. |
| } |