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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.
import("//build/config/win/visual_studio_version.gni")
import("//build/toolchain/goma.gni")
# Should only be running on Windows.
assert(is_win)
# Setup the Visual Studio state.
#
# Its arguments are the VS path and the compiler wrapper tool. It will write
# "environment.x86" and "environment.x64" to the build directory and return a
# list to us.
gyp_win_tool_path =
rebase_path("//tools/gyp/pylib/gyp/win_tool.py", root_build_dir)
exec_script("setup_toolchain.py",
[
visual_studio_path,
gyp_win_tool_path,
windows_sdk_path,
visual_studio_runtime_dirs,
])
# This value will be inherited in the toolchain below.
concurrent_links = exec_script("../get_concurrent_links.py", [], "value")
# Parameters:
# cpu_arch: cpu_arch to pass as a build arg
# environment: File name of environment file.
template("msvc_toolchain") {
if (defined(invoker.concurrent_links)) {
concurrent_links = invoker.concurrent_links
}
env = invoker.environment
if (is_debug) {
configuration = "Debug"
} else {
configuration = "Release"
}
exec_script("../../vs_toolchain.py",
[
"copy_dlls",
rebase_path(root_build_dir),
configuration,
invoker.cpu_arch,
])
toolchain(target_name) {
# Make these apply to all tools below.
lib_switch = ""
lib_dir_switch = "/LIBPATH:"
tool("cc") {
rspfile = "{{output}}.rsp"
pdbname = "{{target_out_dir}}/{{target_output_name}}_c.pdb"
command =
"ninja -t msvc -e $env -- cl.exe /nologo /showIncludes /FC @$rspfile /c {{source}} /Fo{{output}} /Fd$pdbname"
depsformat = "msvc"
description = "CC {{output}}"
outputs =
[ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.obj" ]
rspfile_content = "{{defines}} {{include_dirs}} {{cflags}} {{cflags_c}}"
}
tool("cxx") {
rspfile = "{{output}}.rsp"
# The PDB name needs to be different between C and C++ compiled files.
pdbname = "{{target_out_dir}}/{{target_output_name}}_cc.pdb"
command =
"ninja -t msvc -e $env -- cl.exe /nologo /showIncludes /FC @$rspfile /c {{source}} /Fo{{output}} /Fd$pdbname"
depsformat = "msvc"
description = "CXX {{output}}"
outputs =
[ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.obj" ]
rspfile_content = "{{defines}} {{include_dirs}} {{cflags}} {{cflags_c}}"
}
tool("rc") {
command =
"$python_path gyp-win-tool rc-wrapper $env rc.exe {{defines}} {{include_dirs}} /fo{{output}} {{source}}"
outputs =
[ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.res" ]
description = "RC {{output}}"
}
tool("asm") {
# TODO(brettw): "/safeseh" assembler argument is hardcoded here. Extract
# assembler flags to a variable like cflags. crbug.com/418613
command =
"$python_path gyp-win-tool asm-wrapper $env ml.exe {{defines}} {{include_dirs}} /safeseh /c /Fo {{output}} {{source}}"
description = "ASM {{output}}"
outputs =
[ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.obj" ]
}
tool("alink") {
rspfile = "{{output}}.rsp"
command =
"$python_path gyp-win-tool link-wrapper $env False lib.exe /nologo /ignore:4221 /OUT:{{output}} @$rspfile"
description = "LIB {{output}}"
outputs = [
# Ignore {{output_extension}} and always use .lib, there's no reason to
# allow targets to override this extension on Windows.
"{{target_out_dir}}/{{target_output_name}}.lib",
]
default_output_extension = ".lib"
# The use of inputs_newline is to work around a fixed per-line buffer
# size in the linker.
rspfile_content = "{{inputs_newline}}"
}
tool("solink") {
dllname = "{{root_out_dir}}/{{target_output_name}}{{output_extension}}" # e.g. foo.dll
libname =
"{{root_out_dir}}/{{target_output_name}}{{output_extension}}.lib" # e.g. foo.dll.lib
rspfile = "${dllname}.rsp"
link_command =
"$python_path gyp-win-tool link-wrapper $env False link.exe /nologo /IMPLIB:$libname /DLL /OUT:$dllname /PDB:${dllname}.pdb @$rspfile"
# TODO(brettw) support manifests
#manifest_command = "$python_path gyp-win-tool manifest-wrapper $env mt.exe -nologo -manifest $manifests -out:${dllname}.manifest"
#command = "cmd /c $link_command && $manifest_command"
command = link_command
default_output_extension = ".dll"
description = "LINK(DLL) {{output}}"
outputs = [
dllname,
libname,
]
link_output = libname
depend_output = libname
# The use of inputs_newline is to work around a fixed per-line buffer
# size in the linker.
rspfile_content = "{{libs}} {{solibs}} {{inputs_newline}} {{ldflags}}"
}
tool("link") {
rspfile = "{{output}}.rsp"
link_command =
"$python_path gyp-win-tool link-wrapper $env False link.exe /nologo /OUT:{{output}} /PDB:{{output}}.pdb @$rspfile"
# TODO(brettw) support manifests
#manifest_command = "$python_path gyp-win-tool manifest-wrapper $env mt.exe -nologo -manifest $manifests -out:{{output}}.manifest"
#command = "cmd /c $link_command && $manifest_command"
command = link_command
default_output_extension = ".exe"
description = "LINK {{output}}"
outputs =
[ "{{root_out_dir}}/{{target_output_name}}{{output_extension}}" ]
# The use of inputs_newline is to work around a fixed per-line buffer
# size in the linker.
rspfile_content = "{{inputs_newline}} {{libs}} {{solibs}} {{ldflags}}"
}
tool("stamp") {
command = "$python_path gyp-win-tool stamp {{output}}"
description = "STAMP {{output}}"
}
tool("copy") {
command =
"$python_path gyp-win-tool recursive-mirror {{source}} {{output}}"
description = "COPY {{source}} {{output}}"
}
# 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.
toolchain_args() {
cpu_arch = invoker.cpu_arch
}
}
}
# TODO(dpranke): Declare both toolchains all of the time when we
# get it sorted out how we want to support them both in a single build.
# Right now only one of these can be enabled at a time because the
# runtime libraries get copied to root_build_dir and would collide.
if (cpu_arch == "x86") {
msvc_toolchain("32") {
environment = "environment.x86"
cpu_arch = "x86"
}
}
if (cpu_arch == "x64") {
msvc_toolchain("64") {
environment = "environment.x64"
cpu_arch = "x64"
}
}
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