# 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.

if (defined(ohos_lite)) {
  import("//build/lite/config/component/lite_component.gni")
} else {
  import("//build/ohos.gni")
}
import("//third_party/elfutils/elfutils_config.gni")

config("elfutils_defaults") {
  defines = [
    "HAVE_CONFIG_H",
    "_GNU_SOURCE",
    "NMNES=1000",
  ]

  cflags = [ "-std=gnu99" ]
}

config("elfutils_public_config") {
  include_dirs = [ "include" ]
}

if (defined(ohos_lite)) {
  lite_library("libelf") {
    if (ohos_kernel_type == "liteos_m") {
      target_type = "static_library"
    } else {
      target_type = "shared_library"
    }

    defines = [
      "HAVE_CONFIG_H",
      "_GNU_SOURCE",
      "NMNES=1000",
      "DISABLE_HAVE_ERROR_H=1",
    ]

    cflags = [
      "-std=gnu99",
      "-Wall",
      "-Wno-int-conversion",
    ]

    sources = sources_libelf

    include_dirs = [
      "//third_party/elfutils",
      "//third_party/elfutils/lib",
      "//third_party/elfutils/libelf",
      "//third_party/zlib",
    ]

    deps = [ "//third_party/zlib:libz" ]
  }
  lite_library("libdw") {
    if (ohos_kernel_type == "liteos_m") {
      target_type = "static_library"
    } else {
      target_type = "shared_library"
    }

    defines = [
      "HAVE_CONFIG_H",
      "_GNU_SOURCE",
      "NMNES=1000",
      "DISABLE_HAVE_ERROR_H=1",
    ]

    remove_configs = [
      "//build/lite/config:language_c"
    ]
    cflags = [
      "-std=gnu99",
      "-Wall",
      "-Wno-unused-result",
      "-Wno-format-nonliteral",
      "-Wno-int-conversion",
    ]

    sources = sources_backends
    sources += sources_libcpu
    sources += sources_libdw
    sources += sources_libdwelf
    sources += sources_libdwfl
    sources += sources_libebl

    include_dirs = [
      "//third_party/elfutils",
      "//third_party/elfutils/lib",
      "//third_party/elfutils/libasm",
      "//third_party/elfutils/libelf",
      "//third_party/elfutils/libcpu",
      "//third_party/elfutils/libdw",
      "//third_party/elfutils/libdwelf",
      "//third_party/elfutils/libdwfl",
      "//third_party/elfutils/libebl",
      "//third_party/zlib",
    ]

    public_configs = [ ":elfutils_public_config" ]

    deps = [
      ":libelf",
      "//third_party/musl-fts:libfts",
    ]
  }
} else {
  # Build libelf
  ohos_static_library("libelf_static") {
    configs = [ ":elfutils_defaults" ]

    sources = sources_libelf

    include_dirs = [
      "//third_party/elfutils",
      "//third_party/elfutils/lib",
      "//third_party/elfutils/libelf",
    ]

    deps = [ "//third_party/zlib:libz" ]

    license_file = "COPYING-LGPLV3"
    subsystem_name = "thirdparty"
    part_name = "elfutils"
  }

  # Build libdw
  ohos_static_library("libdw_static") {
    configs = [ ":elfutils_defaults" ]

    sources = sources_backends
    sources += sources_libcpu
    sources += sources_libdw
    sources += sources_libdwelf
    sources += sources_libdwfl
    sources += sources_libebl

    include_dirs = [
      "//third_party/elfutils",
      "//third_party/elfutils/lib",
      "//third_party/elfutils/libasm",
      "//third_party/elfutils/libelf",
      "//third_party/elfutils/libcpu",
      "//third_party/elfutils/libdw",
      "//third_party/elfutils/libdwelf",
      "//third_party/elfutils/libdwfl",
      "//third_party/elfutils/libebl",
    ]

    public_configs = [ ":elfutils_public_config" ]

    deps = [ ":libelf_static" ]

    license_file = "COPYING-LGPLV3"
    subsystem_name = "thirdparty"
    part_name = "elfutils"
  }
}