# Copyright (c) 2021 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import("//build/toolchain/gcc_toolchain.gni")
declare_args() {
  # Whether unstripped binaries, i.e. compiled with debug symbols, should be
  # considered runtime_deps rather than stripped ones.
  mingw_unstripped_runtime_outputs = true
}

template("mingw_toolchain") {
  gcc_toolchain(target_name) {
    assert(defined(invoker.toolchain_root),
           "toolchain_root must be defined for mingw_toolchain.")
    assert(defined(invoker.toolchain_args),
           "toolchain_args must be defined for mingw_toolchain.")
    toolchain_args = invoker.toolchain_args

    # Output linker map files for binary size analysis.
    enable_linker_map = true

    _mingw_tool_prefix =
        rebase_path("${invoker.toolchain_root}/bin", root_build_dir)

    cc = "${_mingw_tool_prefix}/clang"
    cxx = "${_mingw_tool_prefix}/clang++"
    ar = "${_mingw_tool_prefix}/llvm-ar"
    ld = cxx
    readelf = "${_mingw_tool_prefix}/llvm-readelf"
    nm = "${_mingw_tool_prefix}/llvm-nm"
    strip = "${_mingw_tool_prefix}/llvm-strip"
    use_unstripped_as_runtime_outputs = mingw_unstripped_runtime_outputs

    executable_extension = ".exe"
    shlib_extension = ".dll"
    dylib_extension = ".dll"
    rlib_extension = ".rlib"
    rust_abi_target = invoker.rust_abi_target
    if (rust_abi_target == "x86_64-pc-windows-gnullvm") {
      cc_command_args = "--target=${rust_abi_target} -Clinker=${_mingw_tool_prefix}/x86_64-w64-mingw32-clang -Clink-arg=-Wl,-Bstatic -Clink-arg=-lunwind -Clink-arg=-fuse-ld=lld -Clink-arg=-Wl,-Bstatic -Clink-arg=-lc++ -Clink-arg=-v -Clink-arg=--target=${rust_abi_target}"
    }
  }
}

mingw_toolchain("mingw_x86_64") {
  toolchain_root = "//prebuilts/mingw-w64/ohos/linux-x86_64/clang-mingw"
  rust_abi_target = "x86_64-pc-windows-gnullvm"
  toolchain_args = {
    current_cpu = "x86_64"
    current_os = "mingw"
    use_custom_libcxx = false
    is_clang = true
  }
}