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# -*- bazel-starlark -*-
# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Siso configuration for clang/linux."""
load("@builtin//struct.star", "module")
load("./android.star", "android")
load("./clang_all.star", "clang_all")
load("./clang_unix.star", "clang_unix")
load("./fuchsia.star", "fuchsia")
load("./win_sdk.star", "win_sdk")
target_cpus = ["amd64", "i386", "arm64", "armhf"]
def __filegroups(ctx):
fg = {
"third_party/android_toolchain/ndk/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include:include": {
"type": "glob",
"includes": ["*"],
# can't use "*.h", because c++ headers have no extension.
},
"third_party/android_toolchain/ndk/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/local/include:include": {
"type": "glob",
"includes": ["*"],
},
"third_party/llvm-build/Release+Asserts/bin:llddeps": {
"type": "glob",
"includes": [
"clang*",
"ld.lld",
"ld64.lld",
"lld",
"llvm-nm",
"llvm-objcopy",
"llvm-objdump",
"llvm-otool",
"llvm-readelf",
"llvm-readobj",
"llvm-strip",
],
},
"third_party/llvm-build/Release+Asserts/lib/clang:libs": {
"type": "glob",
"includes": ["*/lib/*/*", "*/lib/*", "*/share/*"],
},
}
def __add_sysroot_for_target_cpu(fg, cpu):
fg.update({
# for precomputed subtrees
"build/linux/debian_bullseye_%s-sysroot/usr/include:include" % cpu: {
"type": "glob",
"includes": ["*"],
# need bits/stab.def, c++/*
},
"build/linux/debian_bullseye_%s-sysroot/usr/lib:headers" % cpu: {
"type": "glob",
"includes": ["*.h", "crtbegin.o"],
},
"build/linux/debian_bullseye_%s-sysroot:libs" % cpu: {
"type": "glob",
"includes": ["*.so*", "*.o", "*.a"],
"excludes": [
"usr/lib/python*/*/*",
"systemd/*/*",
"usr/libexec/*/*",
],
},
})
return fg
for cpu in target_cpus:
fg = __add_sysroot_for_target_cpu(fg, cpu)
if android.enabled(ctx):
fg.update(android.filegroups(ctx))
if fuchsia.enabled(ctx):
fg.update(fuchsia.filegroups(ctx))
fg.update(clang_all.filegroups(ctx))
return fg
__handlers = {}
__handlers.update(clang_unix.handlers)
__handlers.update(clang_all.handlers)
def __step_config(ctx, step_config):
step_config["input_deps"].update({
"third_party/android_toolchain/ndk/toolchains/llvm/prebuilt/linux-x86_64/sysroot:headers": [
"third_party/android_toolchain/ndk/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include:include",
"third_party/android_toolchain/ndk/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/local/include:include",
],
"third_party/llvm-build/Release+Asserts/bin/clang++:link": [
"third_party/llvm-build/Release+Asserts/bin:llddeps",
],
"third_party/llvm-build/Release+Asserts:link": [
"third_party/llvm-build/Release+Asserts/bin:llddeps",
"third_party/llvm-build/Release+Asserts/lib/clang:libs",
],
})
def __add_sysroot_for_target_cpu(step_config, cpu):
step_config["input_deps"].update({
# sysroot headers for precomputed subtrees
"build/linux/debian_bullseye_%s-sysroot:headers" % cpu: [
"build/linux/debian_bullseye_%s-sysroot/usr/include:include" % cpu,
"build/linux/debian_bullseye_%s-sysroot/usr/lib:headers" % cpu,
],
"build/linux/debian_bullseye_%s-sysroot:link" % cpu: [
"build/linux/debian_bullseye_%s-sysroot:libs" % cpu,
"third_party/llvm-build/Release+Asserts/bin:llddeps",
# The following inputs are used for sanitizer builds.
# It might be better to add them only for sanitizer builds if there is a performance issue.
"third_party/llvm-build/Release+Asserts/lib/clang:libs",
],
})
for cpu in target_cpus:
__add_sysroot_for_target_cpu(step_config, cpu)
step_config["input_deps"].update(clang_all.input_deps)
step_config["rules"].extend(clang_unix.rules(ctx))
if win_sdk.enabled(ctx):
win_sdk.step_config(ctx, step_config)
return step_config
clang = module(
"clang",
step_config = __step_config,
filegroups = __filegroups,
handlers = __handlers,
)