blob: cf7b4a699d72a30f0453536c9def205172604388 [file] [log] [blame]
# 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.
declare_args() {
# Path to the directory containing the VC binaries for the right
# combination of host and target architectures. Currently only the
# 64-bit host toolchain is supported, with either 32-bit or 64-bit targets.
# If vc_bin_dir is not specified on the command line (and it normally
# isn't), we will dynamically determine the right value to use at runtime.
vc_bin_dir = ""
}
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("//third_party/gyp/pylib/gyp/win_tool.py", root_build_dir)
toolchain_data = exec_script("setup_toolchain.py",
[
visual_studio_path,
gyp_win_tool_path,
windows_sdk_path,
visual_studio_runtime_dirs,
current_cpu,
],
"scope")
if (vc_bin_dir == "") {
vc_bin_dir = toolchain_data.vc_bin_dir
}
if (use_goma) {
goma_prefix = "$goma_dir/gomacc.exe "
} else {
goma_prefix = ""
}
# Parameters:
# current_cpu: current_cpu to pass as a build arg
# environment: File name of environment file.
template("msvc_toolchain") {
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.current_cpu,
])
cl = invoker.cl
toolchain(target_name) {
# Make these apply to all tools below.
lib_switch = ""
lib_dir_switch = "/LIBPATH:"
tool("cc") {
rspfile = "{{output}}.rsp"
# TODO(brettw) enable this when GN support in the binary has been rolled.
#precompiled_header_type = "msvc"
pdbname = "{{target_out_dir}}/{{target_output_name}}_c.pdb"
command = "ninja -t msvc -e $env -- $cl /nologo /showIncludes /FC @$rspfile /c {{source}} /Fo{{output}} /Fd$pdbname"
depsformat = "msvc"
description = "CC {{output}}"
outputs = [
"{{target_out_dir}}/{{target_output_name}}/{{source_name_part}}.obj",
]
rspfile_content = "{{defines}} {{include_dirs}} {{cflags}} {{cflags_c}}"
}
tool("cxx") {
rspfile = "{{output}}.rsp"
# TODO(brettw) enable this when GN support in the binary has been rolled.
#precompiled_header_type = "msvc"
# 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 -- $cl /nologo /showIncludes /FC @$rspfile /c {{source}} /Fo{{output}} /Fd$pdbname"
depsformat = "msvc"
description = "CXX {{output}}"
outputs = [
"{{target_out_dir}}/{{target_output_name}}/{{source_name_part}}.obj",
]
rspfile_content = "{{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}}"
}
tool("rc") {
command = "$python_path gyp-win-tool rc-wrapper $env rc.exe {{defines}} {{include_dirs}} /fo{{output}} {{source}}"
outputs = [
"{{target_out_dir}}/{{target_output_name}}/{{source_name_part}}.res",
]
description = "RC {{output}}"
}
tool("asm") {
# TODO(brettw): "/safeseh" assembler argument is hardcoded here. Extract
# assembler flags to a variable like cflags. crbug.com/418613
command = "$python_path gyp-win-tool asm-wrapper $env ml.exe {{defines}} {{include_dirs}} {{asmflags}} /safeseh /c /Fo {{output}} {{source}}"
description = "ASM {{output}}"
outputs = [
"{{target_out_dir}}/{{target_output_name}}/{{source_name_part}}.obj",
]
}
tool("alink") {
rspfile = "{{output}}.rsp"
command = "$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 =
"$python_path gyp-win-tool recursive-mirror {{source}} {{output}}"
description = "COPY {{source}} {{output}}"
}
# When invoking this toolchain not as the default one, these args will be
# passed to the build. They are ignored when this is the default toolchain.
toolchain_args = {
current_cpu = invoker.current_cpu
if (defined(invoker.is_clang)) {
is_clang = invoker.is_clang
}
}
}
}
# TODO(dpranke): Declare both toolchains all of the time when we
# get it sorted out how we want to support them both in a single build.
# Right now only one of these can be enabled at a time because the
# runtime libraries get copied to root_build_dir and would collide.
if (current_cpu == "x86") {
msvc_toolchain("x86") {
environment = "environment.x86"
current_cpu = "x86"
cl = "${goma_prefix}\"${vc_bin_dir}/cl.exe\""
is_clang = false
}
msvc_toolchain("clang_x86") {
environment = "environment.x86"
current_cpu = "x86"
prefix = rebase_path("//third_party/llvm-build/Release+Asserts/bin",
root_build_dir)
cl = "${goma_prefix}$prefix/clang-cl.exe"
is_clang = true
}
}
if (current_cpu == "x64") {
msvc_toolchain("x64") {
environment = "environment.x64"
current_cpu = "x64"
cl = "${goma_prefix}\"${vc_bin_dir}/cl.exe\""
is_clang = false
}
msvc_toolchain("clang_x64") {
environment = "environment.x64"
current_cpu = "x64"
prefix = rebase_path("//third_party/llvm-build/Release+Asserts/bin",
root_build_dir)
cl = "${goma_prefix}$prefix/clang-cl.exe"
is_clang = true
}
}