xref: /arkcompiler/toolchain/build/config/ohos/BUILD.gn

# Copyright (c) 2023 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("$build_root/config/compiler/compiler.gni")
import("$build_root/config/ohos/config.gni")
import("$build_root/third_party_gn/musl/musl_config.gni")

assert(is_ohos)

config("compiler") {
  cflags = [
    "-ffunction-sections",
    "-fno-short-enums",
  ]
  defines = [ "HAVE_SYS_UIO_H" ]

  cflags += [ "--target=$abi_target" ]
  include_dirs = [ "${musl_sysroot}/usr/include/${abi_target}" ]

  ldflags = [ "--target=$abi_target" ]
  asmflags = cflags
}

config("runtime_config") {
  cflags_cc = []

  defines = [
    "__MUSL__",
    "_LIBCPP_HAS_MUSL_LIBC",
    "__BUILD_LINUX_WITH_CLANG",
  ]
  ldflags = [ "-nostdlib" ]

  libs = [
    rebase_path(libclang_rt_file),
    "c",
    rebase_path(libcxxabi_file),
  ]

  if ((current_cpu == "arm" && arm_version == 6) || current_cpu == "mipsel") {
    libs += [ "atomic" ]
    libs_out_dir = "usr/lib/${musl_target_triple}"
    output_dir = "${target_out_dir}/${libs_out_dir}"
    atomic_path = rebase_path("${output_dir}")
    ldflags += [ "-L${atomic_path}" ]
  }

  ldflags += [ "-Wl,--warn-shared-textrel" ]
}

config("executable_config") {
  cflags = [
    "-fPIE",
    "-fPIC",
  ]
  asmflags = [ "-fPIE" ]
}