#
# Copyright (c) 2024 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/ohos.gni")
import("FreeBSD.gni")

config("free_bsd_config") {
  include_dirs = [ "//third_party/FreeBSD" ]
}

ohos_static_library("libfreebsd_static") {
  output_name = "libfreebsd_static"
  sources = [ "lib/libc/gen/fts.c" ]
  if (use_libfuzzer && !is_mac) {
    cflags = []
  } else {
    cflags = [
      "-fno-emulated-tls",
      "-fno-lto",
      "-fno-whole-program-vtables",
    ]

    cflags += [
      "-D_GNU_SOURCE",
      "-DHAVE_REALLOCARRAY",
      "-w",
    ]
  }
  if (host_cpu == "arm64" && host_os == "linux") {
    cflags += [ "-DWITH_FREEBSD" ]
  }
  public_configs = [ ":free_bsd_config" ]
}

static_library("ld128_static") {
  sources = [
    "lib/msun/ld128/e_lgammal_r.c",
    "lib/msun/ld128/e_powl.c",
    "lib/msun/ld128/k_cosl.c",
    "lib/msun/ld128/k_sinl.c",
    "lib/msun/ld128/s_erfl.c",
    "lib/msun/ld128/s_expl.c",
    "lib/msun/ld128/s_logl.c",
    "lib/msun/src/e_acoshl.c",
    "lib/msun/src/e_coshl.c",
    "lib/msun/src/e_lgammal.c",
    "lib/msun/src/e_sinhl.c",
    "lib/msun/src/s_asinhl.c",
    "lib/msun/src/s_tanhl.c",
  ]

  defines = [ "LD128_ENABLE" ]
  include_dirs = [
    "//third_party/FreeBSD/lib/msun/ld128",
    "//third_party/FreeBSD/lib/msun/src",
    "//third_party/FreeBSD/lib/libc/include",
    "//third_party/FreeBSD/sys",
  ]

  configs -= build_inherited_configs
  configs += [ "//build/config/components/musl:soft_musl_config" ]
  cflags = [
    "-mllvm",
    "-instcombine-max-iterations=0",
    "-ffp-contract=fast",
    "-O3",
    "-fPIC",
    "-fstack-protector-strong",
  ]
}

freebsd_files = [
  "contrib/gdtoa/strtod.c",
  "contrib/gdtoa/gethex.c",
  "contrib/gdtoa/smisc.c",
  "contrib/gdtoa/misc.c",
  "contrib/gdtoa/strtord.c",
  "contrib/gdtoa/hexnan.c",
  "contrib/gdtoa/gmisc.c",
  "contrib/gdtoa/hd_init.c",
  "contrib/gdtoa/strtodg.c",
  "contrib/gdtoa/ulp.c",
  "contrib/gdtoa/strtof.c",
  "contrib/gdtoa/sum.c",
  "lib/libc/gdtoa/glue.c",
  "lib/libc/stdio/parsefloat.c",
]

static_library("libc_static") {
  sources = [
    "contrib/tcp_wrappers/strcasecmp.c",
    "lib/libc/gen/arc4random.c",
    "lib/libc/gen/arc4random_uniform.c",
    "lib/libc/stdlib/qsort.c",
    "lib/libc/stdlib/strtoimax.c",
    "lib/libc/stdlib/strtoul.c",
    "lib/libc/stdlib/strtoumax.c",
  ]
  if (!is_llvm_build) {
    sources += [ "contrib/libexecinfo/unwind.c" ]
  }
  if (musl_arch == "arm") {
    sources += freebsd_files
  } else if (musl_arch == "aarch64") {
    sources += [ "lib/msun/src/s_frexpl.c" ]
    if (!defined(ARM_FEATURE_SVE) && !defined(ARM_FEATURE_MTE)) {
      sources += freebsd_files
    }
  } else {
    not_needed([ "freebsd_files" ])
  }
  cflags = [
    "-O3",
    "-fPIC",
    "-fstack-protector-strong",
  ]

  if (!(use_libfuzzer || is_mac || is_asan || use_clang_coverage)) {
    cflags += [ "-flto" ]
  }
  if (!defined(include_dirs)) {
    include_dirs = []
  }
  if (musl_arch == "aarch64") {
    include_dirs += [ "//third_party/FreeBSD/lib/libc/aarch64" ]
  } else if (musl_arch == "arm") {
    include_dirs += [ "//third_party/FreeBSD/lib/libc/arm" ]
  }
  include_dirs += [ "//third_party/FreeBSD/lib/libc/include" ]
  include_dirs += [ "//third_party/FreeBSD/contrib/libexecinfo" ]
  include_dirs += [ "//third_party/FreeBSD/crypto/openssh/openbsd-compat" ]

  configs -= build_inherited_configs
  configs += [ "//build/config/components/musl:soft_musl_config" ]
}