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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/build/toolchain/apple/toolchain.gni
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/build/toolchain/apple/toolchain.gni')
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+# 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.
+
+# TODO(brettw) Use "gcc_toolchain.gni" like the Linux toolchains. This requires
+# some enhancements since the commands on Mac are slightly different than on
+# Linux.
+
+import("//build/config/apple/symbols.gni")
+import("//build/config/clang/clang.gni")
+import("//build/config/compiler/compiler.gni")
+import("//build/config/coverage/coverage.gni")
+import("//build/config/rust.gni")
+import("//build/toolchain/cc_wrapper.gni")
+import("//build/toolchain/goma.gni")
+import("//build/toolchain/rbe.gni")
+import("//build/toolchain/toolchain.gni")
+
+assert((target_os == "ios" && host_os == "mac") || host_os != "win")
+
+declare_args() {
+ # This controls whether whole module optimization is enabled when building
+ # Swift modules. If enabled, the compiler will compile the module as one
+ # unit, generating just one single object file. Otherwise, it will generate
+ # one object file per .swift file. If unspecified, will default to "true"
+ # for official builds, and "false" for all other builds.
+ swift_whole_module_optimization = -1
+}
+
+if (swift_whole_module_optimization == -1) {
+ swift_whole_module_optimization = is_official_build
+}
+
+# When implementing tools using Python scripts, a TOOL_VERSION=N env
+# variable is placed in front of the command. The N should be incremented
+# whenever the script is changed, so that the build system rebuilds all
+# edges that utilize the script. Ideally this should be changed to use
+# proper input-dirty checking, but that could be expensive. Instead, use a
+# script to get the tool scripts' modification time to use as the version.
+# This won't cause a re-generation of GN files when the tool script changes
+# but it will cause edges to be marked as dirty if the ninja files are
+# regenerated. See https://crbug.com/619083 for details. A proper fix
+# would be to have inputs to tools (https://crbug.com/621119).
+tool_versions =
+ exec_script("get_tool_mtime.py",
+ rebase_path([
+ "//build/toolchain/apple/filter_libtool.py",
+ "//build/toolchain/apple/linker_driver.py",
+ "//build/toolchain/ios/compile_xcassets.py",
+ "//build/toolchain/ios/swiftc.py",
+ ],
+ root_build_dir),
+ "trim scope")
+
+# Shared toolchain definition. Invocations should set current_os to set the
+# build args in this definition.
+template("apple_toolchain") {
+ toolchain(target_name) {
+ # When invoking this toolchain not as the default one, these args will be
+ # passed to the build. They are ignored when this is the default toolchain.
+ assert(defined(invoker.toolchain_args),
+ "Toolchains must declare toolchain_args")
+ toolchain_args = {
+ # Populate toolchain args from the invoker.
+ forward_variables_from(invoker.toolchain_args, "*")
+
+ # The host toolchain value computed by the default toolchain's setup
+ # needs to be passed through unchanged to all secondary toolchains to
+ # ensure that it's always the same, regardless of the values that may be
+ # set on those toolchains.
+ host_toolchain = host_toolchain
+ }
+
+ # When the invoker has explicitly overridden use_goma or cc_wrapper in the
+ # toolchain args, use those values, otherwise default to the global one.
+ # This works because the only reasonable override that toolchains might
+ # supply for these values are to force-disable them.
+ if (defined(toolchain_args.use_remoteexec)) {
+ toolchain_uses_remoteexec = toolchain_args.use_remoteexec
+ } else {
+ toolchain_uses_remoteexec = use_remoteexec
+ }
+ if (defined(toolchain_args.use_goma)) {
+ toolchain_uses_goma = toolchain_args.use_goma
+ } else {
+ toolchain_uses_goma = use_goma
+ }
+ if (defined(toolchain_args.cc_wrapper)) {
+ toolchain_cc_wrapper = toolchain_args.cc_wrapper
+ } else {
+ toolchain_cc_wrapper = cc_wrapper
+ }
+ assert(!(toolchain_uses_remoteexec && toolchain_uses_goma),
+ "Goma and re-client can't be used together.")
+ assert(!(toolchain_cc_wrapper != "" && toolchain_uses_remoteexec),
+ "re-client and cc_wrapper can't be used together.")
+ assert(!(toolchain_cc_wrapper != "" && toolchain_uses_goma),
+ "Goma and cc_wrapper can't be used together.")
+
+ if (defined(toolchain_args.use_lld)) {
+ toolchain_uses_lld = toolchain_args.use_lld
+ } else {
+ toolchain_uses_lld = use_lld
+ }
+ if (defined(toolchain_args.use_xcode_clang)) {
+ toolchain_uses_xcode_clang = toolchain_args.use_xcode_clang
+ } else {
+ toolchain_uses_xcode_clang = use_xcode_clang
+ }
+
+ # Supports building with the version of clang shipped with Xcode when
+ # targeting iOS by not respecting clang_base_path.
+ if (toolchain_uses_xcode_clang) {
+ prefix = invoker.bin_path
+ } else {
+ prefix = rebase_path("$clang_base_path/bin/", root_build_dir)
+ }
+
+ _cc = "${prefix}clang"
+ _cxx = "${prefix}clang++"
+
+ swiftmodule_switch = "-Wl,-add_ast_path,"
+
+ # Compute the compiler prefix.
+ if (toolchain_uses_remoteexec) {
+ if (defined(toolchain_args.rbe_cc_cfg_file)) {
+ toolchain_rbe_cc_cfg_file = toolchain_args.rbe_cc_cfg_file
+ } else {
+ toolchain_rbe_cc_cfg_file = rbe_cc_cfg_file
+ }
+
+ # C/C++ (clang) rewrapper prefix to use when use_remoteexec is true.
+ compiler_prefix = "${rbe_bin_dir}/rewrapper -cfg=${toolchain_rbe_cc_cfg_file} -exec_root=${rbe_exec_root} "
+ } else if (toolchain_uses_goma) {
+ assert(toolchain_cc_wrapper == "",
+ "Goma and cc_wrapper can't be used together.")
+ compiler_prefix = "$goma_dir/gomacc "
+ if (use_goma_rust) {
+ rust_compiler_prefix = compiler_prefix
+ }
+ } else if (toolchain_cc_wrapper != "") {
+ compiler_prefix = toolchain_cc_wrapper + " "
+ } else {
+ compiler_prefix = ""
+ }
+
+ cc = compiler_prefix + _cc
+ cxx = compiler_prefix + _cxx
+ ld = _cxx
+
+ # Set the explicit search path for clang++ so it uses the right linker
+ # binary.
+ if (!toolchain_uses_lld) {
+ ld += " -B " + invoker.bin_path
+ }
+
+ if (defined(toolchain_args.coverage_instrumentation_input_file)) {
+ toolchain_coverage_instrumentation_input_file =
+ toolchain_args.coverage_instrumentation_input_file
+ } else {
+ toolchain_coverage_instrumentation_input_file =
+ coverage_instrumentation_input_file
+ }
+ _use_clang_coverage_wrapper =
+ toolchain_coverage_instrumentation_input_file != ""
+ if (_use_clang_coverage_wrapper) {
+ _coverage_wrapper =
+ rebase_path("//build/toolchain/clang_code_coverage_wrapper.py",
+ root_build_dir) + " --files-to-instrument=" +
+ rebase_path(toolchain_coverage_instrumentation_input_file,
+ root_build_dir) + " --target-os=" + target_os
+ cc = "$python_path $_coverage_wrapper ${cc}"
+ cxx = "$python_path $_coverage_wrapper ${cxx}"
+ }
+
+ linker_driver =
+ "TOOL_VERSION=${tool_versions.linker_driver} " +
+ rebase_path("//build/toolchain/apple/linker_driver.py", root_build_dir)
+
+ # Specify an explicit path for the strip binary.
+ _strippath = invoker.bin_path + "strip"
+ linker_driver += " -Wcrl,strippath," + _strippath
+
+ # This makes the linker set timestamps in Mach-O files to 0.
+ linker_driver += " --deterministic"
+
+ # On iOS, the final applications are assembled using lipo (to support fat
+ # builds). The correct flags are passed to the linker_driver.py script
+ # directly during the lipo call. The test is against the target_os because
+ # there is no need to create .dSYMs for targets compiled for the host.
+ if (defined(invoker.strip_with_lipo) && invoker.strip_with_lipo) {
+ _enable_dsyms = false
+ _save_unstripped_output = false
+ } else {
+ _enable_dsyms = enable_dsyms
+ _save_unstripped_output = save_unstripped_output
+ }
+
+ # Make these apply to all tools below.
+ lib_switch = "-l"
+ lib_dir_switch = "-L"
+
+ # Object files go in this directory. Use label_name instead of
+ # target_output_name since labels will generally have no spaces and will be
+ # unique in the directory.
+ object_subdir = "{{target_out_dir}}/{{label_name}}"
+
+ # If dSYMs are enabled, this flag will be added to the link tools.
+ if (_enable_dsyms) {
+ dsym_switch = " -Wcrl,dsym,{{root_out_dir}} "
+ dsym_switch += "-Wcrl,dsymutilpath," +
+ rebase_path("//tools/clang/dsymutil/bin/dsymutil",
+ root_build_dir) + " "
+
+ dsym_output_dir =
+ "{{root_out_dir}}/{{target_output_name}}{{output_extension}}.dSYM"
+ dsym_output = [
+ "$dsym_output_dir/Contents/Info.plist",
+ "$dsym_output_dir/Contents/Resources/DWARF/" +
+ "{{target_output_name}}{{output_extension}}",
+ ]
+ } else {
+ dsym_switch = ""
+ }
+
+ if (_save_unstripped_output) {
+ _unstripped_output = "{{root_out_dir}}/{{target_output_name}}{{output_extension}}.unstripped"
+ }
+
+ if (toolchain_has_rust) {
+ if (!defined(rust_compiler_prefix)) {
+ rust_compiler_prefix = ""
+ }
+ rustc = "$rust_compiler_prefix${rust_prefix}rustc"
+
+ # Ideally, we'd add -Clink-args=\"{{ldflags}}\" to each of the Rust
+ # tools below which may link (i.e. rust_bin, rust_cdylib, rust_macro).
+ # However, it seems -fuse-ld=lld causes difficulties.
+
+ tool("rust_staticlib") {
+ rust_outfile = "{{target_out_dir}}/{{crate_name}}.a"
+ depfile = "{{output}}.d"
+ command = "$rustc $rustc_common_args --emit=dep-info=$depfile,link -o $rust_outfile"
+ description = "RUST $rust_outfile"
+ outputs = [ rust_outfile ]
+ }
+
+ tool("rust_rlib") {
+ rust_outfile = "{{target_out_dir}}/lib{{crate_name}}.rlib"
+ depfile = "{{output}}.d"
+ command = "$rustc $rustc_common_args --emit=dep-info=$depfile,link -o $rust_outfile"
+ description = "RUST $rust_outfile"
+ outputs = [ rust_outfile ]
+ }
+
+ if (rustc_can_link) {
+ tool("rust_bin") {
+ rust_outfile = "{{root_out_dir}}/{{crate_name}}"
+ depfile = "{{output}}.d"
+ command = "$rustc $rustc_common_args --emit=dep-info=$depfile,link -o $rust_outfile"
+ description = "RUST $rust_outfile"
+ outputs = [ rust_outfile ]
+ }
+
+ tool("rust_cdylib") {
+ rust_outfile = "{{target_out_dir}}/lib{{crate_name}}.dylib"
+ depfile = "{{output}}.d"
+ command = "$rustc $rustc_common_args --emit=dep-info=$depfile,link -o $rust_outfile"
+ description = "RUST $rust_outfile"
+ outputs = [ rust_outfile ]
+ }
+
+ tool("rust_macro") {
+ rust_outfile = "{{target_out_dir}}/lib{{crate_name}}.dylib"
+ depfile = "{{output}}.d"
+ command = "$rustc $rustc_common_args --emit=dep-info=$depfile,link -o $rust_outfile"
+ description = "RUST $rust_outfile"
+ outputs = [ rust_outfile ]
+ }
+ }
+ }
+
+ tool("cc") {
+ depfile = "{{output}}.d"
+ precompiled_header_type = "gcc"
+ command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+ depsformat = "gcc"
+ description = "CC {{output}}"
+ outputs = [ "$object_subdir/{{source_name_part}}.o" ]
+ }
+
+ tool("cxx") {
+ depfile = "{{output}}.d"
+ precompiled_header_type = "gcc"
+ command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+ depsformat = "gcc"
+ description = "CXX {{output}}"
+ outputs = [ "$object_subdir/{{source_name_part}}.o" ]
+ }
+
+ tool("asm") {
+ # For GCC we can just use the C compiler to compile assembly.
+ depfile = "{{output}}.d"
+ command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{asmflags}} -c {{source}} -o {{output}}"
+ depsformat = "gcc"
+ description = "ASM {{output}}"
+ outputs = [ "$object_subdir/{{source_name_part}}.o" ]
+ }
+
+ tool("objc") {
+ depfile = "{{output}}.d"
+ precompiled_header_type = "gcc"
+ command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{framework_dirs}} {{cflags}} {{cflags_objc}} -c {{source}} -o {{output}}"
+ depsformat = "gcc"
+ description = "OBJC {{output}}"
+ outputs = [ "$object_subdir/{{source_name_part}}.o" ]
+ }
+
+ tool("objcxx") {
+ depfile = "{{output}}.d"
+ precompiled_header_type = "gcc"
+ command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{framework_dirs}} {{cflags}} {{cflags_objcc}} -c {{source}} -o {{output}}"
+ depsformat = "gcc"
+ description = "OBJCXX {{output}}"
+ outputs = [ "$object_subdir/{{source_name_part}}.o" ]
+ }
+
+ tool("alink") {
+ rspfile = "{{output}}.rsp"
+
+ if (!toolchain_uses_lld) {
+ # Note about -filelist: Apple's linker reads the file list file and
+ # interprets each newline-separated chunk of text as a file name. It
+ # doesn't do the things one would expect from the shell like unescaping
+ # or handling quotes. In contrast, when Ninja finds a file name with
+ # spaces, it single-quotes them in $inputs_newline as it would normally
+ # do for command-line arguments. Thus any source names with spaces, or
+ # label names with spaces (which GN bases the output paths on) will be
+ # corrupted by this process. Don't use spaces for source files or
+ # labels.
+ rspfile_content = "{{inputs_newline}}"
+
+ script = rebase_path("//build/toolchain/apple/filter_libtool.py",
+ root_build_dir)
+
+ # Specify explicit path for libtool.
+ libtool = invoker.bin_path + "libtool"
+ command = "rm -f {{output}} && TOOL_VERSION=${tool_versions.filter_libtool} $python_path $script $libtool -static -D {{arflags}} -o {{output}} -filelist $rspfile"
+ description = "LIBTOOL-STATIC {{output}}"
+ } else {
+ rspfile_content = "{{inputs}}"
+ ar = "${prefix}llvm-ar"
+ command = "\"$ar\" {{arflags}} -r -c -s -D {{output}} \"@$rspfile\""
+
+ # Remove the output file first so that ar doesn't try to modify the
+ # existing file.
+ command = "rm -f {{output}} && $command"
+ description = "AR {{output}}"
+ }
+ outputs = [ "{{output_dir}}/{{target_output_name}}{{output_extension}}" ]
+ default_output_dir = "{{target_out_dir}}"
+ default_output_extension = ".a"
+ output_prefix = "lib"
+ }
+
+ tool("solink") {
+ # E.g. "./libfoo.dylib":
+ dylib = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
+ rspfile = dylib + ".rsp"
+ pool = "//build/toolchain:link_pool($default_toolchain)"
+
+ # These variables are not built into GN but are helpers that implement
+ # (1) linking to produce a .dylib, (2) extracting the symbols from that
+ # file to a temporary file, (3) if the temporary file has differences from
+ # the existing .TOC file, overwrite it, otherwise, don't change it.
+ #
+ # As a special case, if the library reexports symbols from other dynamic
+ # libraries, we always update the .TOC and skip the temporary file and
+ # diffing steps, since that library always needs to be re-linked.
+ tocname = dylib + ".TOC"
+ temporary_tocname = dylib + ".tmp"
+
+ # Use explicit paths to binaries. The binaries present on the default
+ # search path in /usr/bin are thin wrappers around xcrun, which requires a
+ # full CommandLineTools or Xcode install, and still may not choose the
+ # appropriate binary if there are multiple installs.
+ if (host_os == "mac") {
+ nm = invoker.bin_path + "nm"
+ otool = invoker.bin_path + "otool"
+ } else {
+ nm = "${prefix}llvm-nm"
+ otool = "${prefix}llvm-otool"
+ }
+
+ does_reexport_command = "[ ! -e \"$dylib\" -o ! -e \"$tocname\" ] || $otool -l \"$dylib\" | grep -q LC_REEXPORT_DYLIB"
+
+ link_command = "$linker_driver $ld -shared "
+ if (is_component_build) {
+ link_command += " -Wl,-install_name,@rpath/\"{{target_output_name}}{{output_extension}}\" "
+ }
+ link_command += dsym_switch
+ link_command += "{{ldflags}} -o \"$dylib\" -Wl,-filelist,\"$rspfile\" {{frameworks}} {{swiftmodules}} {{solibs}} {{libs}} {{rlibs}}"
+
+ replace_command = "if ! cmp -s \"$temporary_tocname\" \"$tocname\"; then mv \"$temporary_tocname\" \"$tocname\""
+ extract_toc_command = "{ $otool -l \"$dylib\" | grep LC_ID_DYLIB -A 5; $nm -gPp \"$dylib\" | cut -f1-2 -d' ' | grep -v U\$\$; true; }"
+
+ command = "if $does_reexport_command ; then $link_command && $extract_toc_command > \"$tocname\"; else $link_command && $extract_toc_command > \"$temporary_tocname\" && $replace_command ; fi; fi"
+
+ rspfile_content = "{{inputs_newline}}"
+
+ description = "SOLINK {{output}}"
+
+ # Use this for {{output_extension}} expansions unless a target manually
+ # overrides it (in which case {{output_extension}} will be what the target
+ # specifies).
+ default_output_dir = "{{root_out_dir}}"
+ default_output_extension = ".dylib"
+
+ output_prefix = "lib"
+
+ # Since the above commands only updates the .TOC file when it changes, ask
+ # Ninja to check if the timestamp actually changed to know if downstream
+ # dependencies should be recompiled.
+ restat = true
+
+ # Tell GN about the output files. It will link to the dylib but use the
+ # tocname for dependency management.
+ outputs = [
+ dylib,
+ tocname,
+ ]
+ link_output = dylib
+ depend_output = tocname
+
+ if (_enable_dsyms) {
+ outputs += dsym_output
+ }
+ if (_save_unstripped_output) {
+ outputs += [ _unstripped_output ]
+ }
+ }
+
+ tool("solink_module") {
+ # E.g. "./libfoo.so":
+ sofile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
+ rspfile = sofile + ".rsp"
+ pool = "//build/toolchain:link_pool($default_toolchain)"
+
+ link_command = "$linker_driver $ld -bundle {{ldflags}} -o \"$sofile\" -Wl,-filelist,\"$rspfile\""
+ link_command += dsym_switch
+ link_command +=
+ " {{frameworks}} {{swiftmodules}} {{solibs}} {{libs}} {{rlibs}}"
+ command = link_command
+
+ rspfile_content = "{{inputs_newline}}"
+
+ description = "SOLINK_MODULE {{output}}"
+
+ # Use this for {{output_extension}} expansions unless a target manually
+ # overrides it (in which case {{output_extension}} will be what the target
+ # specifies).
+ default_output_dir = "{{root_out_dir}}"
+ default_output_extension = ".so"
+
+ outputs = [ sofile ]
+
+ if (_enable_dsyms) {
+ outputs += dsym_output
+ }
+ if (_save_unstripped_output) {
+ outputs += [ _unstripped_output ]
+ }
+ }
+
+ tool("link") {
+ outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
+ rspfile = "$outfile.rsp"
+ pool = "//build/toolchain:link_pool($default_toolchain)"
+
+ # Note about -filelist: Apple's linker reads the file list file and
+ # interprets each newline-separated chunk of text as a file name. It
+ # doesn't do the things one would expect from the shell like unescaping
+ # or handling quotes. In contrast, when Ninja finds a file name with
+ # spaces, it single-quotes them in $inputs_newline as it would normally
+ # do for command-line arguments. Thus any source names with spaces, or
+ # label names with spaces (which GN bases the output paths on) will be
+ # corrupted by this process. Don't use spaces for source files or labels.
+ command = "$linker_driver $ld $dsym_switch {{ldflags}} -o \"$outfile\" -Wl,-filelist,\"$rspfile\" {{frameworks}} {{swiftmodules}} {{solibs}} {{libs}} {{rlibs}}"
+ description = "LINK $outfile"
+ rspfile_content = "{{inputs_newline}}"
+ outputs = [ outfile ]
+
+ if (_enable_dsyms) {
+ outputs += dsym_output
+ }
+ if (_save_unstripped_output) {
+ outputs += [ _unstripped_output ]
+ }
+
+ default_output_dir = "{{root_out_dir}}"
+ }
+
+ # These two are really entirely generic, but have to be repeated in
+ # each toolchain because GN doesn't allow a template to be used here.
+ # See //build/toolchain/toolchain.gni for details.
+ tool("stamp") {
+ command = stamp_command
+ description = stamp_description
+ }
+ tool("copy") {
+ command = copy_command
+ description = copy_description
+ }
+
+ tool("copy_bundle_data") {
+ # copy_command use hardlink if possible but this does not work with
+ # directories. Also when running EG2 tests from Xcode, Xcode tries to
+ # copy some files into the application bundle which fails if source
+ # and destination are hardlinked together.
+ #
+ # Instead use clonefile to copy the files which is as efficient as
+ # hardlink but ensure the file have distinct metadata (thus avoid the
+ # error with ditto, see https://crbug.com/1042182).
+ if (host_os == "mac") {
+ command = "rm -rf {{output}} && /bin/cp -Rc {{source}} {{output}}"
+ } else {
+ command = "rm -rf {{output}} && /bin/cp -Rl {{source}} {{output}}"
+ }
+ description = "COPY_BUNDLE_DATA {{source}} {{output}}"
+ pool = "//build/toolchain/apple:bundle_pool($default_toolchain)"
+ }
+
+ # Swift is only used on iOS, not macOS. We want to minimize the number
+ # of Xcode-based tools used by the macOS toolchain, so we intentionally
+ # disallow future uses of Swift on macOS. https://crbug.com/965663.
+ if (toolchain_args.current_os == "ios") {
+ tool("swift") {
+ _tool = rebase_path("//build/toolchain/ios/swiftc.py", root_build_dir)
+
+ depfile = "{{target_out_dir}}/{{module_name}}.d"
+ depsformat = "gcc"
+
+ outputs = [
+ # The module needs to be the first output listed. The blank line after
+ # the module is required to prevent `gn format` from changing the file
+ # order.
+ "{{target_gen_dir}}/{{module_name}}.swiftmodule",
+
+ "{{target_gen_dir}}/{{module_name}}.h",
+ "{{target_gen_dir}}/{{module_name}}.swiftdoc",
+ "{{target_gen_dir}}/{{module_name}}.swiftsourceinfo",
+ ]
+
+ if (swift_whole_module_optimization) {
+ _extra_flags = "-whole-module-optimization"
+ _objects_dir = "{{target_out_dir}}"
+
+ outputs += [ "$_objects_dir/{{module_name}}.o" ]
+ } else {
+ _extra_flags = ""
+ _objects_dir = "{{target_out_dir}}/{{label_name}}"
+
+ partial_outputs = [ "$_objects_dir/{{source_name_part}}.o" ]
+ }
+
+ _env_vars = "TOOL_VERSION=${tool_versions.swiftc}"
+ if (invoker.sdk_developer_dir != "") {
+ _env_vars += " DEVELOPER_DIR=${toolchain_args.sdk_developer_dir}"
+ }
+
+ command =
+ "$_env_vars $python_path $_tool -module-name {{module_name}} " +
+ "-object-dir $_objects_dir " +
+ "-module-path {{target_gen_dir}}/{{module_name}}.swiftmodule " +
+ "-header-path {{target_gen_dir}}/{{module_name}}.h " +
+ "-depfile {{target_out_dir}}/{{module_name}}.d " +
+ "-depfile-filter {{target_gen_dir}}/{{module_name}}.swiftmodule " +
+ "-bridge-header {{bridge_header}} $_extra_flags " +
+ "{{swiftflags}} {{include_dirs}} {{module_dirs}} {{inputs}}"
+ }
+ }
+
+ # xcassets are only used on iOS, not macOS. We want to minimize the number
+ # of Xcode-based tools used by the macOS toolchain, so we intentionally
+ # disallow future uses of xcassets on macOS. https://crbug.com/965663.
+ if (toolchain_args.current_os == "ios") {
+ tool("compile_xcassets") {
+ _tool = rebase_path("//build/toolchain/ios/compile_xcassets.py",
+ root_build_dir)
+
+ _env_vars = "TOOL_VERSION=${tool_versions.compile_xcassets}"
+ if (invoker.sdk_developer_dir != "") {
+ _env_vars += " DEVELOPER_DIR=${toolchain_args.sdk_developer_dir}"
+ }
+
+ command =
+ "$_env_vars $python_path $_tool -p \"${invoker.sdk_name}\" " +
+ "-t \"${invoker.deployment_target}\" " +
+ "-T \"{{bundle_product_type}}\" " +
+ "-P \"{{bundle_partial_info_plist}}\" " + "-o {{output}} {{inputs}}"
+
+ description = "COMPILE_XCASSETS {{output}}"
+ pool = "//build/toolchain/apple:bundle_pool($default_toolchain)"
+ }
+ }
+
+ tool("action") {
+ pool = "//build/toolchain:action_pool($default_toolchain)"
+ }
+ }
+}