# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/sanitizers/sanitizers.gni")

declare_args() {
  if (current_cpu == "arm") {
    musl_arch = "arm"
  } else if (current_cpu == "arm64") {
    musl_arch = "aarch64"
  } else if (current_cpu == "x86_64" || current_cpu == "x64") {
    musl_arch = "x86_64"
  } else if (current_cpu == "mipsel") {
    musl_arch = "mips"
  } else if (current_cpu == "riscv64") {
    musl_arch = "riscv64"
  } else if (current_cpu == "loongarch64") {
    musl_arch = "loongarch64"
  }
  # musl_root = "$root_out_dir/obj/third_party/musl"
  # musl_sub_arch = ""
  # musl_syslib_dir = "/system/bin"
  # musl_linker_extension = "so.1"
}

declare_args() {
  if ((defined(target_os) && target_os == "ohos") ||
      (defined(ohos_kernel_type) && ohos_kernel_type == "linux")) {
    musl_target_os = "linux"
    if (musl_arch == "mips") {
      musl_target_triple = "mipsel-linux-ohos"
    } else {
      musl_target_triple = "${musl_arch}-linux-ohos"
    }
  } else if (defined(ohos_kernel_type) && ohos_kernel_type == "liteos_a") {
    musl_target_os = "liteos_a"
    musl_target_triple = "arm-liteos-ohos"
  }
}

declare_args() {
  if (is_llvm_build) {
    runtime_lib_path = "//out/llvm-install/lib/clang/15.0.4/lib"
  } else {
    if (host_cpu == "arm64") {
      runtime_lib_path =
          "//prebuilts/clang/ohos/linux-aarch64/llvm/lib/clang/15.0.4/lib"
    } else {
      runtime_lib_path =
          "//prebuilts/clang/ohos/linux-x86_64/llvm/lib/clang/15.0.4/lib"
    }
  }
  musl_use_gwp_asan = false
  if (!is_llvm_build &&
      !(current_cpu == "riscv64" || current_cpu == "loongarch64")) {
    musl_use_gwp_asan = true
  }
  musl_user_custom_libc = true
  musl_use_jemalloc = false
  musl_use_encaps = false
  musl_malloc_plugin = ""
  musl_use_jemalloc_dfx_intf = false
  musl_use_jemalloc_recycle_func = false
  musl_use_pthread_cancel = false
  musl_ported_dir = "intermidiates/${musl_target_os}/musl_src_ported"
  musl_inc_out_dir = "usr/include/${musl_target_triple}"
  musl_uapi_dir = "//kernel/linux/patches/linux-5.10/prebuilts/usr/include"
  musl_linux_kernel_dir = "//kernel/linux/linux-5.10"
  musl_dir = "//third_party/musl"
  musl_porting_dir = "//third_party/musl/porting/linux/user"

  # if (is_asan) {
  #   musl_linker_asan_name =
  #       musl_syslib_dir + "/ld-musl-${musl_arch}${musl_sub_arch}-asan"
  #   musl_ldso_path =
  #       musl_syslib_dir + "/ld-musl-${musl_arch}${musl_sub_arch}-asan." +
  #       musl_linker_extension
  # } else {
  #   musl_ldso_path =
  #       musl_syslib_dir + "/ld-musl-${musl_arch}${musl_sub_arch}." +
  #       musl_linker_extension
  # }
}

declare_args() {
  musl_enable_musl_log = true
  if (!is_standard_system) {
    musl_enable_musl_log = false
  }
  musl_iterate_and_stats_api = false
  musl_secure_level = 1
}

declare_args() {
  if (!defined(product_path)) {
    product_path = ""
  }
}

declare_args() {
  # for unit test
  musl_unit_test_flag = false
}

declare_args() {
  musl_ld128_flag = false
  if (musl_arch == "x86_64") {
    musl_ld128_flag = true
  }
}

declare_args() {
  # for multi lib
  musl_target_multilib = ""
}

declare_args() {
  # whether clang select the legacy encoding
  musl_is_legacy = false
}

declare_args() {
  musl_use_flto = false
}

declare_args() {
  musl_use_icu_locale = false
}

# part of default_compiler_configs from build/config/BUILDCONFIG.gn
musl_inherited_configs = [
  "//build/config/compiler:afdo",
  "//build/config/compiler:afdo_optimize_size",
  "//build/config/compiler:compiler",
  "//build/config/compiler:compiler_arm_fpu",
  "//build/config/compiler:compiler_arm_thumb",
  "//build/config/compiler:chromium_code",
  "//build/config/compiler:default_include_dirs",
  "//build/config/compiler:default_optimization",
  "//build/config/compiler:default_stack_frames",
  "//build/config/compiler:default_symbols",
  "//build/config/compiler:export_dynamic",
  "//build/config/compiler:no_exceptions",
  "//build/config/compiler:no_rtti",
  "//build/config/compiler:runtime_library",
  "//build/config/compiler:thin_archive",
  "//build/config/sanitizers:default_sanitizer_flags",
]

porting_deps = [
  "//third_party/musl:create_alltypes_h",
  "//third_party/musl:create_porting_src",
  "//third_party/musl:create_syscall_h",
  "//third_party/musl:create_version_h",
]