64 lines
2.5 KiB
Plaintext
64 lines
2.5 KiB
Plaintext
# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import("//gn/standalone/sanitizers/vars.gni")
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declare_args() {
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is_hermetic_clang = is_clang && (is_linux_host || is_win_host)
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}
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assert(!is_hermetic_clang || is_clang, "is_hermetic_clang requires is_clang")
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linux_llvm_objcopy = ""
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if (is_linux_host) {
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if (is_hermetic_clang) {
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_hermetic_llvm_dir =
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rebase_path("//buildtools/linux64/clang", root_build_dir)
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linux_clang_bin = "$_hermetic_llvm_dir/bin/clang"
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linux_clangxx_bin = "$_hermetic_llvm_dir/bin/clang++"
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linux_llvm_objcopy = "$_hermetic_llvm_dir/bin/llvm-objcopy"
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linux_clang_linker = "lld"
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} else if (is_clang && !is_system_compiler) {
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# Guess the path for the system clang.
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# When is_system_compiler = true users neet to explicitly set cc / target_cc
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# vars in the GN args."
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_find_llvm_out = exec_script("linux_find_llvm.py", [], "list lines")
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_linux_llvm_dir = _find_llvm_out[0]
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linux_clang_bin = _find_llvm_out[1]
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linux_clangxx_bin = _find_llvm_out[2]
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linux_clang_linker = "gold"
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}
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} else if (is_mac_host && is_clang && !is_system_compiler) {
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_mac_toolchain_dirs = exec_script("mac_find_llvm.py", [], "list lines")
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# _mac_toolchain_dirs[0] contains the mac toolchain dir.
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mac_clangrt_dir = _mac_toolchain_dirs[1]
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} else if (is_win_host) {
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if (is_hermetic_clang) {
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# Use the toolchain pulled by //tools/install-build-deps. This tracks
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# chromium's llvm dist.
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_llvm_win_path = rebase_path("//buildtools/win/clang/bin", root_build_dir)
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win_clang_bin = "${_llvm_win_path}\clang-cl.exe"
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win_clangxx_bin = "${_llvm_win_path}\clang-cl.exe"
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win_clang_linker = "${_llvm_win_path}\lld-link.exe"
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} else {
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# Assume clang-cl.exe / lld-link.exe are on the PATH. The user can always
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# ovveride them by setting cc/cxx/linker GN variables.
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# See //gn/standalone/toolchain/BUILD.gn.
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win_clang_bin = "clang-cl.exe"
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win_clangxx_bin = "clang-cl.exe"
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win_clang_linker = "lld-link.exe"
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}
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}
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