# Copyright (c) 2020 Project CHIP Authors
#
# 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_overrides/mbedtls.gni")

import("//build_overrides/build.gni")
import("${build_root}/config/compiler/compiler.gni")

template("mbedtls_target") {
  mbedtls_target_name = target_name

  _mbedtls_root = "${mbedtls_repo}/repo"

  config("${mbedtls_target_name}_warnings") {
    cflags = [
      "-Wno-maybe-uninitialized",
      "-Wno-string-concatenation",
      "-Wno-unused-but-set-parameter",
      "-Wno-format-nonliteral",  # Because of mbedtls_debug_print_msg
      "-Wno-conversion",  # Lots of -Wconversion warnings, sadly.
      "-Wno-undef",  # At least MBEDTLS_AESNI_HAVE_CODE is used without being
                     # defined.
    ]

    if (is_clang) {
      cflags += [
        "-Wno-shorten-64-to-32",
        "-Wno-unused-but-set-variable",  # bignum.c: variable 't' set but not
                                         # used
      ]
    }
  }

  config("${mbedtls_target_name}_config") {
    include_dirs = [ "${_mbedtls_root}/include" ]
  }

  static_library(mbedtls_target_name) {
    forward_variables_from(invoker, "*")

    if (!defined(sources)) {
      sources = []
    }

    sources += [
      "${_mbedtls_root}/library/aes.c",
      "${_mbedtls_root}/library/aesni.c",
      "${_mbedtls_root}/library/arc4.c",
      "${_mbedtls_root}/library/aria.c",
      "${_mbedtls_root}/library/asn1parse.c",
      "${_mbedtls_root}/library/asn1write.c",
      "${_mbedtls_root}/library/base64.c",
      "${_mbedtls_root}/library/bignum.c",
      "${_mbedtls_root}/library/blowfish.c",
      "${_mbedtls_root}/library/camellia.c",
      "${_mbedtls_root}/library/ccm.c",
      "${_mbedtls_root}/library/certs.c",
      "${_mbedtls_root}/library/chacha20.c",
      "${_mbedtls_root}/library/chachapoly.c",
      "${_mbedtls_root}/library/cipher.c",
      "${_mbedtls_root}/library/cipher_wrap.c",
      "${_mbedtls_root}/library/cmac.c",
      "${_mbedtls_root}/library/constant_time.c",
      "${_mbedtls_root}/library/ctr_drbg.c",
      "${_mbedtls_root}/library/debug.c",
      "${_mbedtls_root}/library/des.c",
      "${_mbedtls_root}/library/dhm.c",
      "${_mbedtls_root}/library/ecdh.c",
      "${_mbedtls_root}/library/ecdsa.c",
      "${_mbedtls_root}/library/ecjpake.c",
      "${_mbedtls_root}/library/ecp.c",
      "${_mbedtls_root}/library/ecp_curves.c",
      "${_mbedtls_root}/library/entropy.c",
      "${_mbedtls_root}/library/entropy_poll.c",
      "${_mbedtls_root}/library/error.c",
      "${_mbedtls_root}/library/gcm.c",
      "${_mbedtls_root}/library/havege.c",
      "${_mbedtls_root}/library/hkdf.c",
      "${_mbedtls_root}/library/hmac_drbg.c",
      "${_mbedtls_root}/library/md.c",
      "${_mbedtls_root}/library/md2.c",
      "${_mbedtls_root}/library/md4.c",
      "${_mbedtls_root}/library/md5.c",
      "${_mbedtls_root}/library/memory_buffer_alloc.c",
      "${_mbedtls_root}/library/net_sockets.c",
      "${_mbedtls_root}/library/nist_kw.c",
      "${_mbedtls_root}/library/oid.c",
      "${_mbedtls_root}/library/padlock.c",
      "${_mbedtls_root}/library/pem.c",
      "${_mbedtls_root}/library/pk.c",
      "${_mbedtls_root}/library/pk_wrap.c",
      "${_mbedtls_root}/library/pkcs11.c",
      "${_mbedtls_root}/library/pkcs12.c",
      "${_mbedtls_root}/library/pkcs5.c",
      "${_mbedtls_root}/library/pkparse.c",
      "${_mbedtls_root}/library/pkwrite.c",
      "${_mbedtls_root}/library/platform.c",
      "${_mbedtls_root}/library/platform_util.c",
      "${_mbedtls_root}/library/poly1305.c",
      "${_mbedtls_root}/library/psa_crypto.c",
      "${_mbedtls_root}/library/psa_crypto_driver_wrappers.c",
      "${_mbedtls_root}/library/psa_crypto_se.c",
      "${_mbedtls_root}/library/psa_crypto_slot_management.c",
      "${_mbedtls_root}/library/psa_crypto_storage.c",
      "${_mbedtls_root}/library/psa_its_file.c",
      "${_mbedtls_root}/library/ripemd160.c",
      "${_mbedtls_root}/library/rsa.c",
      "${_mbedtls_root}/library/rsa_internal.c",
      "${_mbedtls_root}/library/sha1.c",
      "${_mbedtls_root}/library/sha256.c",
      "${_mbedtls_root}/library/sha512.c",
      "${_mbedtls_root}/library/ssl_cache.c",
      "${_mbedtls_root}/library/ssl_ciphersuites.c",
      "${_mbedtls_root}/library/ssl_cli.c",
      "${_mbedtls_root}/library/ssl_cookie.c",
      "${_mbedtls_root}/library/ssl_msg.c",
      "${_mbedtls_root}/library/ssl_srv.c",
      "${_mbedtls_root}/library/ssl_ticket.c",
      "${_mbedtls_root}/library/ssl_tls.c",
      "${_mbedtls_root}/library/ssl_tls13_keys.c",
      "${_mbedtls_root}/library/threading.c",
      "${_mbedtls_root}/library/timing.c",
      "${_mbedtls_root}/library/version.c",
      "${_mbedtls_root}/library/version_features.c",
      "${_mbedtls_root}/library/x509.c",
      "${_mbedtls_root}/library/x509_create.c",
      "${_mbedtls_root}/library/x509_crl.c",
      "${_mbedtls_root}/library/x509_crt.c",
      "${_mbedtls_root}/library/x509_csr.c",
      "${_mbedtls_root}/library/x509write_crt.c",
      "${_mbedtls_root}/library/x509write_csr.c",
      "${_mbedtls_root}/library/xtea.c",
    ]

    if (!defined(configs)) {
      configs = []
    }

    # Relax warnings for third_party code.
    configs += [ ":${mbedtls_target_name}_warnings" ]

    if (!defined(public_configs)) {
      public_configs = []
    }

    public_configs += [ ":mbedtls_config" ]

    output_name = "libmbedtls"
    output_dir = "${root_out_dir}/lib"
  }
}