66 lines
2.2 KiB
Plaintext
66 lines
2.2 KiB
Plaintext
# Copyright 2021 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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import("//build_overrides/pigweed.gni")
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import("//build_overrides/pigweed_environment.gni")
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import("$dir_pw_toolchain/rbe.gni")
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declare_args() {
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# This flag allows you to specify the root directory of the clang, clang++,
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# and llvm-ar binaries to use when compiling with a clang-based toolchain.
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# This is useful for debugging toolchain-related issues by building with an
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# externally-provided toolchain.
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pw_toolchain_CLANG_PREFIX =
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rebase_path(pw_env_setup_CIPD_PIGWEED + "/bin/", root_build_dir)
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# This flag allows you to specify the root directory of the rustc binary.
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pw_toolchain_RUST_PREFIX =
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rebase_path(pw_env_setup_CIPD_PIGWEED + "/rust/bin/", root_build_dir)
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}
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pw_toolchain_clang_tools = {
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ar = "llvm-ar"
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cc = "clang"
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cxx = "clang++"
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ld = cxx
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rustc = "rustc"
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if (pw_toolchain_CLANG_PREFIX != "") {
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ar = pw_toolchain_CLANG_PREFIX + ar
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cc = pw_toolchain_CLANG_PREFIX + cc
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cxx = pw_toolchain_CLANG_PREFIX + cxx
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ld = pw_toolchain_CLANG_PREFIX + ld
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}
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if (pw_toolchain_RUST_PREFIX != "") {
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rustc = pw_toolchain_RUST_PREFIX + rustc
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}
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if (pw_toolchain_USE_RBE) {
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_rbe_debug_flag = ""
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if (pw_toolchain_RBE_DEBUG) {
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_rbe_debug_flag = " -v"
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}
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_exec_root = rebase_path("//")
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_rewrapper_binary = "rewrapper"
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_pw_rbe_config = pw_rbe_clang_config
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_rbe_toolchain_prefix =
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_rewrapper_binary +
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" --labels=type=compile,lang=cpp,compiler=clang --cfg=" +
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_pw_rbe_config + " --exec_root=" + _exec_root + " -- "
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cc = _rbe_toolchain_prefix + cc + _rbe_debug_flag
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cxx = _rbe_toolchain_prefix + cxx + _rbe_debug_flag
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}
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}
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