805 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Plaintext
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			805 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Plaintext
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import("//build/config/clang/clang.gni")
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import("//build/config/compiler/compiler.gni")
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import("//build/config/sanitizers/sanitizers.gni")
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import("//build/config/v8_target_cpu.gni")
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import("//build/toolchain/cc_wrapper.gni")
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import("//build/toolchain/clang_static_analyzer.gni")
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import("//build/toolchain/toolchain.gni")
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if (!build_cross_platform_version) {
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  import("//build/rust/rustc_toolchain.gni")
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}
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if (is_nacl) {
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  # To keep NaCl variables out of builds that don't include NaCl, all
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  # variables defined in nacl/config.gni referenced here should be protected by
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  # is_nacl conditions.
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  import("//build/config/nacl/config.gni")
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}
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declare_args() {
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  # Enables allowlist generation for IDR_ grit defines seen by the compiler.
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  # Currently works only on ohos and enabled by default for release builds.
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  # Requires debug info, so disabled for symbol_level=0 & strip_debug_info=true.
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  enable_resource_allowlist_generation =
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      is_ohos && !is_debug &&
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      # Always enable for official builds, but enable for release builds by
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      # default only when other args allow.
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      (is_official_build ||
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       (!strip_debug_info && symbol_level > 0 && !is_component_build))
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}
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declare_args() {
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  share_ccache = ""
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}
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# When the arg is set via args.gn, it applies to all toolchains. In order to not
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# hit the assert in grit_rule.gni, explicitly disable for host toolchains.
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if (is_linux && target_os == "ohos") {
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  enable_resource_allowlist_generation = false
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}
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# Path to the Clang static analysis wrapper script.
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# REVIEWERS: can you suggest a better location for this?
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# GN is really picky about dead stores of variables except at the global scope.
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analyzer_wrapper =
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    rebase_path("//build/toolchain/clang_static_analyzer_wrapper.py",
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                root_build_dir) + " --mode=clang"
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# This template defines a toolchain for something that works like gcc
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# (including clang).
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#
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# It requires the following variables specifying the executables to run:
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#  - ar
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#  - cc
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#  - cxx
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#  - ld
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#
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# Optional parameters that control the tools:
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#
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#  - extra_cflags
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#      Extra flags to be appended when compiling C files (but not C++ files).
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#  - extra_cppflags
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#      Extra flags to be appended when compiling both C and C++ files. "CPP"
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#      stands for "C PreProcessor" in this context, although it can be
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#      used for non-preprocessor flags as well. Not to be confused with
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#      "CXX" (which follows).
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#  - extra_cxxflags
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#      Extra flags to be appended when compiling C++ files (but not C files).
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#  - extra_asmflags
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#      Extra flags to be appended when compiling assembly.
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#  - extra_ldflags
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#      Extra flags to be appended when linking
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#
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#  - libs_section_prefix
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#  - libs_section_postfix
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#      The contents of these strings, if specified, will be placed around
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#      the libs section of the linker line. It allows one to inject libraries
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#      at the beginning and end for all targets in a toolchain.
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#  - solink_libs_section_prefix
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#  - solink_libs_section_postfix
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#      Same as libs_section_{pre,post}fix except used for solink instead of link.
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#  - link_outputs
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#      The content of this array, if specified, will be added to the list of
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#      outputs from the link command. This can be useful in conjunction with
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#      the post_link parameter.
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#  - use_unstripped_as_runtime_outputs
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#      When |strip| is set, mark unstripped executables as runtime deps rather
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#      than stripped ones.
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#  - post_link
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#      The content of this string, if specified, will be run as a separate
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#      command following the the link command.
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#  - deps
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#      Just forwarded to the toolchain definition.
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#  - executable_extension
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#      If this string is specified it will be used for the file extension
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#      for an executable, rather than using no extension; targets will
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#      still be able to override the extension using the output_extension
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#      variable.
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#  - rebuild_define
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#      The contents of this string, if specified, will be passed as a #define
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#      to the toolchain. It can be used to force recompiles whenever a
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#      toolchain is updated.
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#  - shlib_extension
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#      If this string is specified it will be used for the file extension
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#      for a shared library, rather than default value specified in
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#      toolchain.gni
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#  - strip
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#      Location of the strip executable. When specified, strip will be run on
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#      all shared libraries and executables as they are built. The pre-stripped
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#      artifacts will be put in lib.unstripped/ and exe.unstripped/.
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template("gcc_toolchain") {
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  toolchain(target_name) {
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    assert(defined(invoker.ar), "gcc_toolchain() must specify a \"ar\" value")
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    assert(defined(invoker.cc), "gcc_toolchain() must specify a \"cc\" value")
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    assert(defined(invoker.cxx), "gcc_toolchain() must specify a \"cxx\" value")
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    assert(defined(invoker.ld), "gcc_toolchain() must specify a \"ld\" value")
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    # This define changes when the toolchain changes, forcing a rebuild.
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    # Nothing should ever use this define.
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    if (defined(invoker.rebuild_define)) {
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      rebuild_string = "-D" + invoker.rebuild_define + " "
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    } else {
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      rebuild_string = ""
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    }
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    # GN's syntax can't handle more than one scope dereference at once, like
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    # "invoker.toolchain_args.foo", so make a temporary to hold the toolchain
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    # args so we can do "invoker_toolchain_args.foo".
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    assert(defined(invoker.toolchain_args),
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           "Toolchains must specify toolchain_args")
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    invoker_toolchain_args = invoker.toolchain_args
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    assert(defined(invoker_toolchain_args.current_cpu),
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           "toolchain_args must specify a current_cpu")
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    assert(defined(invoker_toolchain_args.current_os),
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           "toolchain_args must specify a current_os")
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    # When invoking this toolchain not as the default one, these args will be
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    # passed to the build. They are ignored when this is the default toolchain.
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    toolchain_args = {
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      # Populate toolchain args from the invoker.
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      forward_variables_from(invoker_toolchain_args, "*")
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      # The host toolchain value computed by the default toolchain's setup
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      # needs to be passed through unchanged to all secondary toolchains to
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      # ensure that it's always the same, regardless of the values that may be
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      # set on those toolchains.
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      host_toolchain = host_toolchain
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      if (!defined(invoker_toolchain_args.v8_current_cpu)) {
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        v8_current_cpu = invoker_toolchain_args.current_cpu
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      }
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    }
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    if (is_clang && use_clang_static_analyzer &&
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        (!defined(invoker.is_clang_analysis_supported) ||
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         invoker.is_clang_analysis_supported)) {
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      compiler_prefix = "${analyzer_wrapper} "
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      asm = invoker.cc
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    } else {
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      if (defined(toolchain_args.cc_wrapper)) {
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        toolchain_cc_wrapper = toolchain_args.cc_wrapper
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      } else {
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        toolchain_cc_wrapper = cc_wrapper
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      }
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      if (share_ccache != "") {
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        compiler_prefix = "CCACHE_DIR=" + share_ccache +
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                          " CCACHE_NOHASHDIR=1 ${toolchain_cc_wrapper} "
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      } else {
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        compiler_prefix = "${toolchain_cc_wrapper} "
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      }
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    }
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    cc = compiler_prefix + invoker.cc
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    cxx = compiler_prefix + invoker.cxx
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    ar = invoker.ar
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    ld = invoker.ld
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    if (!defined(asm)) {
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      asm = cc
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    }
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    if (defined(invoker.readelf)) {
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      readelf = invoker.readelf
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    } else {
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      readelf = "readelf"
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    }
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    if (defined(invoker.nm)) {
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      nm = invoker.nm
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    } else {
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      nm = "nm"
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    }
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    if (defined(invoker.shlib_extension)) {
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      default_shlib_extension = invoker.shlib_extension
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    } else {
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      default_shlib_extension = shlib_extension
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    }
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    if (defined(invoker.executable_extension)) {
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      default_executable_extension = invoker.executable_extension
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    } else {
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      default_executable_extension = ""
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    }
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    if (!build_cross_platform_version) {
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      if (defined(invoker.dylib_extension)) {
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        default_dylib_extension = invoker.dylib_extension
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      } else {
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        default_dylib_extension = dylib_extension
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      }
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      if (defined(invoker.rlib_extension)) {
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        default_rlib_extension = invoker.rlib_extension
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      } else {
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        default_rlib_extension = rlib_extension
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      }
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    }
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    # Bring these into our scope for string interpolation with default values.
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    if (defined(invoker.libs_section_prefix)) {
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      libs_section_prefix = invoker.libs_section_prefix
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    } else {
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      libs_section_prefix = ""
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    }
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    if (defined(invoker.libs_section_postfix)) {
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      libs_section_postfix = invoker.libs_section_postfix
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    } else {
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      libs_section_postfix = ""
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    }
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    if (defined(invoker.solink_libs_section_prefix)) {
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      solink_libs_section_prefix = invoker.solink_libs_section_prefix
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    } else {
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      solink_libs_section_prefix = ""
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    }
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    if (defined(invoker.solink_libs_section_postfix)) {
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      solink_libs_section_postfix = invoker.solink_libs_section_postfix
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    } else {
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      solink_libs_section_postfix = ""
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    }
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    if (defined(invoker.extra_cflags) && invoker.extra_cflags != "") {
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      extra_cflags = " " + invoker.extra_cflags
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    } else {
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      extra_cflags = ""
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    }
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    if (defined(invoker.extra_cppflags) && invoker.extra_cppflags != "") {
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      extra_cppflags = " " + invoker.extra_cppflags
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    } else {
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      extra_cppflags = ""
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    }
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    if (defined(invoker.extra_cxxflags) && invoker.extra_cxxflags != "") {
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      extra_cxxflags = " " + invoker.extra_cxxflags
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    } else {
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      extra_cxxflags = ""
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    }
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    if (defined(invoker.extra_asmflags) && invoker.extra_asmflags != "") {
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      extra_asmflags = " " + invoker.extra_asmflags
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    } else {
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      extra_asmflags = ""
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    }
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    if (defined(invoker.extra_ldflags) && invoker.extra_ldflags != "") {
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      extra_ldflags = " " + invoker.extra_ldflags
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    } else {
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      extra_ldflags = ""
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    }
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    enable_linker_map = defined(invoker.enable_linker_map) &&
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                        invoker.enable_linker_map && generate_linker_map
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    # These library switches can apply to all tools below.
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    lib_switch = "-l"
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    lib_dir_switch = "-L"
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    # Object files go in this directory.
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    object_subdir = "{{source_out_dir}}/{{label_name}}"
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    tool("cc") {
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      depfile = "{{output}}.d"
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      command = "$cc -MMD -MF $depfile ${rebuild_string}{{defines}} {{include_dirs}} {{cflags}} {{cflags_c}}${extra_cppflags}${extra_cflags} -c {{source}} -o {{output}}"
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      depsformat = "gcc"
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      description = "CC {{output}}"
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      outputs = [ "$object_subdir/{{source_name_part}}.o" ]
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    }
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    tool("cxx") {
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      depfile = "{{output}}.d"
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      command = "$cxx -MMD -MF $depfile ${rebuild_string}{{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}}${extra_cppflags}${extra_cxxflags} -c {{source}} -o {{output}}"
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      depsformat = "gcc"
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      description = "CXX {{output}}"
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      outputs = [ "$object_subdir/{{source_name_part}}.o" ]
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    }
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    tool("asm") {
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      # For GCC we can just use the C compiler to compile assembly.
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      depfile = "{{output}}.d"
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      command = "$asm -MMD -MF $depfile ${rebuild_string}{{defines}} {{include_dirs}} {{asmflags}}${extra_asmflags} -c {{source}} -o {{output}}"
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      depsformat = "gcc"
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      description = "ASM {{output}}"
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      outputs = [ "$object_subdir/{{source_name_part}}.o" ]
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    }
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    tool("alink") {
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      if (current_os == "aix") {
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        # AIX does not support either -D (deterministic output) or response
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        # files.
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        command = "$ar -X64 {{arflags}} -r -c -s {{output}} {{inputs}}"
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      } else {
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        rspfile = "{{output}}.rsp"
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        rspfile_content = "{{inputs}}"
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        command = "\"$ar\" {{arflags}} -r -c -s -D {{output}} @\"$rspfile\""
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      }
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      # Remove the output file first so that ar doesn't try to modify the
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      # existing file.
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      if (host_os == "win") {
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        tool_wrapper_path =
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            rebase_path("//build/toolchain/win/tool_wrapper.py", root_build_dir)
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        command = "cmd /c $python_path $tool_wrapper_path delete-file {{output}} && $command"
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      } else {
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        command = "rm -f {{output}} && $command"
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      }
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      # Almost all targets build with //build/config/compiler:thin_archive which
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      # adds -T to arflags.
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      description = "AR {{output}}"
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      outputs = [ "{{output_dir}}/{{target_output_name}}{{output_extension}}" ]
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      # Shared libraries go in the target out directory by default so we can
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      # generate different targets with the same name and not have them collide.
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      default_output_dir = "{{target_out_dir}}"
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      default_output_extension = ".a"
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      output_prefix = "lib"
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    }
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    tool("solink") {
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      soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
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      sofile = "{{output_dir}}/$soname"  # Possibly including toolchain dir.
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      rspfile = sofile + ".rsp"
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      pool = "//build/toolchain:link_pool($default_toolchain)"
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						|
 | 
						|
      is_mingw_link = false
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						|
      if (invoker_toolchain_args.current_os == "mingw") {
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        is_mingw_link = true
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        libname = "{{target_output_name}}.lib"
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        libfile = "{{output_dir}}/$libname"
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      }
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						|
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						|
      if (defined(invoker.strip)) {
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        unstripped_sofile = "{{root_out_dir}}/lib.unstripped/$sofile"
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      } else {
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        unstripped_sofile = sofile
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      }
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      link_command = "$ld -shared {{ldflags}}${extra_ldflags} -o \"$unstripped_sofile\" @\"$rspfile\""
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						|
      if (!is_mingw_link) {
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        link_command = "$link_command -Wl,-soname=\"$soname\""
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      } else {
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        link_command = "$link_command -Wl,--out-implib,{{root_out_dir}}/lib.unstripped/$libfile"
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      }
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						|
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      # Generate a map file to be used for binary size analysis.
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      # Map file adds ~10% to the link time on a z620.
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      map_switch = ""
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      if (enable_linker_map && is_official_build) {
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        map_file = "$unstripped_sofile.map.gz"
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        map_switch = " --map-file \"$map_file\""
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      }
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						|
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      assert(defined(readelf), "to solink you must have a readelf")
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      assert(defined(nm), "to solink you must have an nm")
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      strip_switch = ""
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						|
      if (defined(invoker.strip)) {
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        strip_switch = "--strip=${invoker.strip} "
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      }
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						|
 | 
						|
      # This needs a Python script to avoid using a complex shell command
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      # requiring sh control structures, pipelines, and POSIX utilities.
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      # The host might not have a POSIX shell and utilities (e.g. Windows).
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      solink_wrapper =
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          rebase_path("//build/toolchain/gcc_solink_wrapper.py", root_build_dir)
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      command = "$python_path \"$solink_wrapper\" --readelf=\"$readelf\" --nm=\"$nm\" $strip_switch --sofile=\"$unstripped_sofile\" $map_switch --output=\"$sofile\""
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						|
      if (is_mingw_link) {
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        command = "$command --libfile=\"$libfile\""
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						|
      }
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						|
      if (full_mini_debug && !is_debug) {
 | 
						|
        command = "$command --mini-debug"
 | 
						|
      }
 | 
						|
      command = "$command -- $link_command"
 | 
						|
 | 
						|
      rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive $solink_libs_section_prefix {{libs}} $solink_libs_section_postfix"
 | 
						|
 | 
						|
      description = "SOLINK $sofile"
 | 
						|
 | 
						|
      # Use this for {{output_extension}} expansions unless a target manually
 | 
						|
      # overrides it (in which case {{output_extension}} will be what the target
 | 
						|
      # specifies).
 | 
						|
      default_output_extension = default_shlib_extension
 | 
						|
 | 
						|
      default_output_dir = "{{root_out_dir}}"
 | 
						|
 | 
						|
      output_prefix = "lib"
 | 
						|
 | 
						|
      # Since the above commands only updates the .TOC file when it changes, ask
 | 
						|
      # Ninja to check if the timestamp actually changed to know if downstream
 | 
						|
      # dependencies should be recompiled.
 | 
						|
      restat = true
 | 
						|
 | 
						|
      # Tell GN about the output files. It will link to the sofile
 | 
						|
      outputs = [ sofile ]
 | 
						|
      if (sofile != unstripped_sofile) {
 | 
						|
        outputs += [ unstripped_sofile ]
 | 
						|
        if (defined(invoker.use_unstripped_as_runtime_outputs) &&
 | 
						|
            invoker.use_unstripped_as_runtime_outputs) {
 | 
						|
          runtime_outputs = [ unstripped_sofile ]
 | 
						|
        }
 | 
						|
      }
 | 
						|
      if (defined(map_file)) {
 | 
						|
        outputs += [ map_file ]
 | 
						|
      }
 | 
						|
 | 
						|
      if (is_mingw_link) {
 | 
						|
        outputs += [ libfile ]
 | 
						|
        link_output = libfile
 | 
						|
        depend_output = libfile
 | 
						|
      } else {
 | 
						|
        link_output = sofile
 | 
						|
        depend_output = sofile
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    tool("solink_module") {
 | 
						|
      soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
 | 
						|
      sofile = "{{output_dir}}/$soname"
 | 
						|
      rspfile = sofile + ".rsp"
 | 
						|
      pool = "//build/toolchain:link_pool($default_toolchain)"
 | 
						|
 | 
						|
      if (defined(invoker.strip)) {
 | 
						|
        unstripped_sofile = "{{root_out_dir}}/lib.unstripped/$sofile"
 | 
						|
      } else {
 | 
						|
        unstripped_sofile = sofile
 | 
						|
      }
 | 
						|
 | 
						|
      command = "$ld -shared {{ldflags}}${extra_ldflags} -o \"$unstripped_sofile\" -Wl,-soname=\"$soname\" @\"$rspfile\""
 | 
						|
 | 
						|
      if (defined(invoker.strip)) {
 | 
						|
        strip_command = "${invoker.strip} -o \"$sofile\" \"$unstripped_sofile\""
 | 
						|
        command += " && " + strip_command
 | 
						|
      }
 | 
						|
      rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive $solink_libs_section_prefix {{libs}} $solink_libs_section_postfix"
 | 
						|
 | 
						|
      description = "SOLINK_MODULE $sofile"
 | 
						|
 | 
						|
      # Use this for {{output_extension}} expansions unless a target manually
 | 
						|
      # overrides it (in which case {{output_extension}} will be what the target
 | 
						|
      # specifies).
 | 
						|
      if (defined(invoker.loadable_module_extension)) {
 | 
						|
        default_output_extension = invoker.loadable_module_extension
 | 
						|
      } else {
 | 
						|
        default_output_extension = default_shlib_extension
 | 
						|
      }
 | 
						|
 | 
						|
      default_output_dir = "{{root_out_dir}}"
 | 
						|
 | 
						|
      output_prefix = "lib"
 | 
						|
 | 
						|
      outputs = [ sofile ]
 | 
						|
      if (sofile != unstripped_sofile) {
 | 
						|
        outputs += [ unstripped_sofile ]
 | 
						|
        if (defined(invoker.use_unstripped_as_runtime_outputs) &&
 | 
						|
            invoker.use_unstripped_as_runtime_outputs) {
 | 
						|
          runtime_outputs = [ unstripped_sofile ]
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    tool("link") {
 | 
						|
      exename = "{{target_output_name}}{{output_extension}}"
 | 
						|
      outfile = "{{output_dir}}/$exename"
 | 
						|
      rspfile = "$outfile.rsp"
 | 
						|
      unstripped_outfile = outfile
 | 
						|
      pool = "//build/toolchain:link_pool($default_toolchain)"
 | 
						|
 | 
						|
      # Use this for {{output_extension}} expansions unless a target manually
 | 
						|
      # overrides it (in which case {{output_extension}} will be what the target
 | 
						|
      # specifies).
 | 
						|
      default_output_extension = default_executable_extension
 | 
						|
 | 
						|
      default_output_dir = "{{root_out_dir}}"
 | 
						|
 | 
						|
      if (defined(invoker.strip)) {
 | 
						|
        unstripped_outfile = "{{root_out_dir}}/exe.unstripped/$outfile"
 | 
						|
      }
 | 
						|
 | 
						|
      # Generate a map file to be used for binary size analysis.
 | 
						|
      # Map file adds ~10% to the link time on a z620.
 | 
						|
      map_switch = ""
 | 
						|
      if (enable_linker_map && is_official_build) {
 | 
						|
        map_file = "$unstripped_outfile.map.gz"
 | 
						|
        map_switch = " --map-file \"$map_file\""
 | 
						|
      }
 | 
						|
 | 
						|
      start_group_flag = ""
 | 
						|
      end_group_flag = ""
 | 
						|
      if (current_os != "aix") {
 | 
						|
        # the "--start-group .. --end-group" feature isn't available on the aix ld.
 | 
						|
        start_group_flag = "-Wl,--start-group"
 | 
						|
        end_group_flag = "-Wl,--end-group "
 | 
						|
      }
 | 
						|
      _clang_rt_dso_full_path = ""
 | 
						|
      if (is_asan && invoker_toolchain_args.current_os == "ohos") {
 | 
						|
        if (invoker_toolchain_args.current_cpu == "arm64") {
 | 
						|
          _clang_rt_dso_full_path = rebase_path(
 | 
						|
                  "$clang_base_path/lib/clang/$clang_version/lib/aarch64-linux-ohos/libclang_rt.asan.so",
 | 
						|
                  root_build_dir)
 | 
						|
        } else {
 | 
						|
          _clang_rt_dso_full_path = rebase_path(
 | 
						|
                  "$clang_base_path/lib/clang/$clang_version/lib/arm-linux-ohos/libclang_rt.asan.so",
 | 
						|
                  root_build_dir)
 | 
						|
        }
 | 
						|
      }
 | 
						|
      link_command = "$ld {{ldflags}}${extra_ldflags} -o \"$unstripped_outfile\" $libs_section_prefix $start_group_flag $_clang_rt_dso_full_path @\"$rspfile\" {{solibs}} {{libs}} $end_group_flag $libs_section_postfix"
 | 
						|
 | 
						|
      strip_switch = ""
 | 
						|
 | 
						|
      if (defined(invoker.strip)) {
 | 
						|
        strip_switch = " --strip=\"${invoker.strip}\" --unstripped-file=\"$unstripped_outfile\""
 | 
						|
      }
 | 
						|
      if (is_asan && invoker_toolchain_args.current_os == "ohos") {
 | 
						|
        strip_switch =
 | 
						|
            "$strip_switch --clang_rt_dso_path=\"$_clang_rt_dso_full_path\""
 | 
						|
      }
 | 
						|
 | 
						|
      link_wrapper =
 | 
						|
          rebase_path("//build/toolchain/gcc_link_wrapper.py", root_build_dir)
 | 
						|
      command = "$python_path \"$link_wrapper\" --output=\"$outfile\"$strip_switch$map_switch "
 | 
						|
      if (full_mini_debug && !is_debug) {
 | 
						|
        command = "$command --mini-debug"
 | 
						|
      }
 | 
						|
      command = "$command -- $link_command"
 | 
						|
      description = "LINK $outfile"
 | 
						|
      rspfile_content = "{{inputs}}"
 | 
						|
      outputs = [ outfile ]
 | 
						|
      if (outfile != unstripped_outfile) {
 | 
						|
        outputs += [ unstripped_outfile ]
 | 
						|
        if (defined(invoker.use_unstripped_as_runtime_outputs) &&
 | 
						|
            invoker.use_unstripped_as_runtime_outputs) {
 | 
						|
          runtime_outputs = [ unstripped_outfile ]
 | 
						|
        }
 | 
						|
      }
 | 
						|
      if (defined(invoker.link_outputs)) {
 | 
						|
        outputs += invoker.link_outputs
 | 
						|
      }
 | 
						|
      if (defined(map_file)) {
 | 
						|
        outputs += [ map_file ]
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    # These two are really entirely generic, but have to be repeated in
 | 
						|
    # each toolchain because GN doesn't allow a template to be used here.
 | 
						|
    # See //build/toolchain/toolchain.gni for details.
 | 
						|
    tool("stamp") {
 | 
						|
      command = stamp_command
 | 
						|
      description = stamp_description
 | 
						|
    }
 | 
						|
    tool("copy") {
 | 
						|
      command = copy_command
 | 
						|
      description = copy_description
 | 
						|
    }
 | 
						|
 | 
						|
    if (!build_cross_platform_version) {
 | 
						|
      cc_command_args = ""
 | 
						|
      if (defined(invoker.cc_command_args)) {
 | 
						|
        cc_command_args = invoker.cc_command_args
 | 
						|
      }
 | 
						|
 | 
						|
      rust_sysroot_relative_to_out = rebase_path(rust_sysroot, root_out_dir)
 | 
						|
      rustc_wrapper =
 | 
						|
          rebase_path("//build/toolchain/rustc_wrapper.py", root_build_dir)
 | 
						|
      tool("rust_staticlib") {
 | 
						|
        staticlibname =
 | 
						|
            "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.a".
 | 
						|
        outfile = "{{target_out_dir}}/$staticlibname"
 | 
						|
        depfile = "$outfile.d"
 | 
						|
        rspfile = "$outfile.rsp"
 | 
						|
        rspfile_content = "{{rustdeps}} {{externs}}"
 | 
						|
 | 
						|
        pool = "//build/toolchain:link_pool($default_toolchain)"
 | 
						|
 | 
						|
        command = "$python_path \"$rustc_wrapper\" --clippy-driver=$clippy_driver --rustc=$rustc --depfile=$depfile --rsp=$rspfile -- --crate-name {{crate_name}} -C prefer-dynamic {{source}} --crate-type {{crate_type}} $cc_command_args --emit=dep-info=$depfile,link -Z dep-info-omit-d-target -Z unstable-options {{rustflags}} -o $outfile LDFLAGS RUSTENV {{rustenv}}"
 | 
						|
 | 
						|
        description = "RUST staticlib $outfile"
 | 
						|
        rust_sysroot = rust_sysroot_relative_to_out
 | 
						|
        outputs = [ outfile ]
 | 
						|
        default_output_extension = ".a"
 | 
						|
        output_prefix = "lib"
 | 
						|
      }
 | 
						|
 | 
						|
      tool("rust_rlib") {
 | 
						|
        rlibname =
 | 
						|
            "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.rlib".
 | 
						|
        outfile = "{{target_out_dir}}/$rlibname"
 | 
						|
        depfile = "$outfile.d"
 | 
						|
        rspfile = "$outfile.rsp"
 | 
						|
        rspfile_content = "{{rustdeps}} {{externs}}"
 | 
						|
 | 
						|
        # Don't add rspfile in rust_rlib tool.
 | 
						|
        pool = "//build/toolchain:link_pool($default_toolchain)"
 | 
						|
 | 
						|
        command = "$python_path \"$rustc_wrapper\" --clippy-driver=$clippy_driver --rustc=$rustc --depfile=$depfile -- --crate-name {{crate_name}} -C prefer-dynamic {{source}} --crate-type {{crate_type}} $cc_command_args {{rustdeps}} {{externs}} --emit=dep-info=$depfile,link -Z dep-info-omit-d-target -Z unstable-options {{rustflags}} -o $outfile LDFLAGS RUSTENV {{rustenv}}"
 | 
						|
        description = "RUST rlib $outfile"
 | 
						|
        rust_sysroot = rust_sysroot_relative_to_out
 | 
						|
        outputs = [ outfile ]
 | 
						|
        default_output_extension = default_rlib_extension
 | 
						|
        output_prefix = "lib"
 | 
						|
      }
 | 
						|
 | 
						|
      tool("rust_cdylib") {
 | 
						|
        cdylibname =
 | 
						|
            "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.z.so".
 | 
						|
        outfile = "{{output_dir}}/$cdylibname"
 | 
						|
        depfile = "$outfile.d"
 | 
						|
        rspfile = "$outfile.rsp"
 | 
						|
        rspfile_content = "{{rustdeps}} {{externs}}"
 | 
						|
 | 
						|
        unstripped_outfile = "{{root_out_dir}}/lib.unstripped/$outfile"
 | 
						|
 | 
						|
        pool = "//build/toolchain:link_pool($default_toolchain)"
 | 
						|
 | 
						|
        strip_level = "none"  # rustc supports none, debuginfo and symbols
 | 
						|
                              # three strip degree.
 | 
						|
        strip_switch = " -C strip=$strip_level"
 | 
						|
 | 
						|
        minidebug_switch = ""
 | 
						|
        if (full_mini_debug && !is_debug) {
 | 
						|
          minidebug_switch = " --mini-debug"
 | 
						|
        }
 | 
						|
 | 
						|
        command = "$python_path \"$rustc_wrapper\" --clippy-driver=$clippy_driver --rustc=$rustc --depfile=$depfile --rsp=$rspfile --output=$outfile --unstripped-file=$unstripped_outfile --strip=$llvm_strip $minidebug_switch -- --crate-name {{crate_name}} -C prefer-dynamic $strip_switch {{source}} --crate-type {{crate_type}} $cc_command_args --emit=dep-info=$depfile,link -Z dep-info-omit-d-target -Z unstable-options {{rustflags}} -Clink-arg=-Wl,-soname=\"$cdylibname\" -o $unstripped_outfile LDFLAGS {{ldflags}} RUSTENV {{rustenv}}"
 | 
						|
 | 
						|
        description = "RUST cdylib $outfile"
 | 
						|
        rust_sysroot = rust_sysroot_relative_to_out
 | 
						|
        outputs = [ unstripped_outfile ]
 | 
						|
        outputs += [ outfile ]
 | 
						|
        default_output_extension = default_shlib_extension
 | 
						|
        output_prefix = "lib"
 | 
						|
      }
 | 
						|
 | 
						|
      tool("rust_bin") {
 | 
						|
        exename = "{{target_output_name}}{{output_extension}}"
 | 
						|
        outfile = "{{output_dir}}/$exename"
 | 
						|
        depfile = "$outfile.d"
 | 
						|
        rspfile = "$outfile.rsp"
 | 
						|
        rspfile_content = "{{rustdeps}} {{externs}}"
 | 
						|
 | 
						|
        unstripped_outfile = "{{root_out_dir}}/exe.unstripped/$outfile"
 | 
						|
 | 
						|
        pool = "//build/toolchain:link_pool($default_toolchain)"
 | 
						|
 | 
						|
        strip_level = "none"  # rustc supports none, debuginfo and symbols
 | 
						|
                              # three strip degree.
 | 
						|
        strip_switch = " -C strip=$strip_level"
 | 
						|
        minidebug_switch = ""
 | 
						|
        if (full_mini_debug && !is_debug) {
 | 
						|
          minidebug_switch = " --mini-debug"
 | 
						|
        }
 | 
						|
        command = "$python_path \"$rustc_wrapper\" --clippy-driver=$clippy_driver --rustc=$rustc --depfile=$depfile --rsp=$rspfile --output=$outfile --unstripped-file=$unstripped_outfile --strip=$llvm_strip $minidebug_switch -- --crate-name {{crate_name}} $strip_switch {{source}} --crate-type {{crate_type}} $cc_command_args --emit=dep-info=$depfile,link -Z dep-info-omit-d-target -Z unstable-options {{rustflags}} -o $unstripped_outfile LDFLAGS RUSTENV {{rustenv}}"
 | 
						|
 | 
						|
        description = "RUST bin $outfile"
 | 
						|
        rust_sysroot = rust_sysroot_relative_to_out
 | 
						|
        outputs = [ unstripped_outfile ]
 | 
						|
        outputs += [ outfile ]
 | 
						|
        default_output_extension = default_executable_extension
 | 
						|
      }
 | 
						|
 | 
						|
      tool("rust_dylib") {
 | 
						|
        dylibname =
 | 
						|
            "{{target_output_name}}{{output_extension}}"  # e.g.
 | 
						|
                                                          # "libfoo.dylib.so".
 | 
						|
        outfile = "{{output_dir}}/$dylibname"
 | 
						|
        depfile = "$outfile.d"
 | 
						|
        rspfile = "$outfile.rsp"
 | 
						|
        rspfile_content = "{{rustdeps}} {{externs}}"
 | 
						|
 | 
						|
        unstripped_outfile = "{{root_out_dir}}/lib.unstripped/$outfile"
 | 
						|
 | 
						|
        pool = "//build/toolchain:link_pool($default_toolchain)"
 | 
						|
 | 
						|
        strip_level = "none"  # rustc supports none, debuginfo and symbols
 | 
						|
                              # three strip degree.
 | 
						|
        strip_switch = " -C strip=$strip_level"
 | 
						|
        minidebug_switch = ""
 | 
						|
        if (full_mini_debug && !is_debug) {
 | 
						|
          minidebug_switch = " --mini-debug"
 | 
						|
        }
 | 
						|
        command = "$python_path \"$rustc_wrapper\" --clippy-driver=$clippy_driver --rustc=$rustc --depfile=$depfile --rsp=$rspfile --output=$outfile --unstripped-file=$unstripped_outfile --strip=$llvm_strip $minidebug_switch -- --crate-name {{crate_name}} -C prefer-dynamic $strip_switch {{source}} --crate-type {{crate_type}} $cc_command_args --emit=dep-info=$depfile,link -Z dep-info-omit-d-target -Z unstable-options {{rustflags}} -o $unstripped_outfile LDFLAGS {{ldflags}} RUSTENV {{rustenv}}"
 | 
						|
 | 
						|
        description = "RUST dylib $outfile"
 | 
						|
        rust_sysroot = rust_sysroot_relative_to_out
 | 
						|
        outputs = [ unstripped_outfile ]
 | 
						|
        outputs += [ outfile ]
 | 
						|
        default_output_extension = default_dylib_extension
 | 
						|
        output_prefix = "lib"
 | 
						|
      }
 | 
						|
 | 
						|
      tool("rust_macro") {
 | 
						|
        dylibname =
 | 
						|
            "{{target_output_name}}{{output_extension}}"  # e.g.
 | 
						|
                                                          # "libfoo.dylib.so".
 | 
						|
        outfile = "{{output_dir}}/$dylibname"
 | 
						|
        depfile = "$outfile.d"
 | 
						|
        rspfile = "$outfile.rsp"
 | 
						|
        rspfile_content = "{{rustdeps}} {{externs}}"
 | 
						|
 | 
						|
        unstripped_outfile = "{{root_out_dir}}/lib.unstripped/$outfile"
 | 
						|
 | 
						|
        pool = "//build/toolchain:link_pool($default_toolchain)"
 | 
						|
 | 
						|
        strip_level = "none"  # rustc supports none, debuginfo and symbols
 | 
						|
                              # three strip degree.
 | 
						|
        strip_switch = " -C strip=$strip_level"
 | 
						|
        minidebug_switch = ""
 | 
						|
        if (full_mini_debug && !is_debug) {
 | 
						|
          minidebug_switch = " --mini-debug"
 | 
						|
        }
 | 
						|
        command = "$python_path \"$rustc_wrapper\" --clippy-driver=$clippy_driver --rustc=$rustc --depfile=$depfile --rsp=$rspfile --output=$outfile --unstripped-file=$unstripped_outfile --strip=$llvm_strip $minidebug_switch -- --crate-name {{crate_name}} -C prefer-dynamic $strip_switch {{source}} --crate-type {{crate_type}} $cc_command_args --emit=dep-info=$depfile,link -Z dep-info-omit-d-target -Z unstable-options {{rustflags}} -o $unstripped_outfile LDFLAGS {{ldflags}} RUSTENV {{rustenv}}"
 | 
						|
 | 
						|
        description = "RUST proc-macro $outfile"
 | 
						|
        rust_sysroot = rust_sysroot_relative_to_out
 | 
						|
        outputs = [ unstripped_outfile ]
 | 
						|
        outputs += [ outfile ]
 | 
						|
        default_output_extension = default_dylib_extension
 | 
						|
        output_prefix = "lib"
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    tool("action") {
 | 
						|
      pool = "//build/toolchain:action_pool($default_toolchain)"
 | 
						|
    }
 | 
						|
 | 
						|
    forward_variables_from(invoker, [ "deps" ])
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
# This is a shorthand for gcc_toolchain instances based on the Chromium-built
 | 
						|
# version of Clang. Only the toolchain_cpu and toolchain_os variables need to
 | 
						|
# be specified by the invoker, and optionally toolprefix if it's a
 | 
						|
# cross-compile case. Note that for a cross-compile case this toolchain
 | 
						|
# requires a config to pass the appropriate -target option, or else it will
 | 
						|
# actually just be doing a native compile. The invoker can optionally override
 | 
						|
# use_gold too.
 | 
						|
template("clang_toolchain") {
 | 
						|
  if (defined(invoker.toolprefix)) {
 | 
						|
    toolprefix = invoker.toolprefix
 | 
						|
  } else {
 | 
						|
    toolprefix = ""
 | 
						|
  }
 | 
						|
 | 
						|
  gcc_toolchain(target_name) {
 | 
						|
    prefix = rebase_path("$clang_base_path/bin", root_build_dir)
 | 
						|
    cc = "$prefix/clang"
 | 
						|
    cxx = "$prefix/clang++"
 | 
						|
    ld = cxx
 | 
						|
    readelf = "${toolprefix}readelf"
 | 
						|
    ar = "${prefix}/llvm-ar"
 | 
						|
    nm = "${toolprefix}nm"
 | 
						|
 | 
						|
    forward_variables_from(invoker,
 | 
						|
                           [
 | 
						|
                             "strip",
 | 
						|
                             "is_clang_analysis_supported",
 | 
						|
                             "enable_linker_map",
 | 
						|
                             "use_unstripped_as_runtime_outputs",
 | 
						|
                             "rust_abi_target",
 | 
						|
                           ])
 | 
						|
 | 
						|
    toolchain_args = {
 | 
						|
      if (defined(invoker.toolchain_args)) {
 | 
						|
        forward_variables_from(invoker.toolchain_args, "*")
 | 
						|
      }
 | 
						|
      is_clang = true
 | 
						|
    }
 | 
						|
 | 
						|
    if (defined(invoker.shlib_extension) && invoker.shlib_extension != "") {
 | 
						|
      shlib_extension = invoker.shlib_extension
 | 
						|
    }
 | 
						|
    if (defined(rust_abi_target)) {
 | 
						|
      if (rust_abi_target == "x86_64-unknown-linux-gnu") {
 | 
						|
        clang_lib_path = rebase_path("$clang_base_path/lib", root_build_dir)
 | 
						|
        cc_command_args = "--target=${rust_abi_target} -Clinker=$clang -lstdc++ -lclang -L${clang_lib_path} -Clink-arg=-fuse-ld=lld -Clink-arg=-v"
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 |