# Copyright 2018 The Chromium OS 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("//common-mk/pkg_config.gni")
import("//common-mk/proto_library.gni")

group("all") {
  deps = [
    ":libtpmcrypto",
  ]
  if (use.test) {
    deps += [ ":tpmcrypto_test" ]
  }
}

pkg_config("target_defaults") {
  defines = [ "USE_TPM2=${use.tpm2}" ]
  pkg_deps = [
    "libbrillo-${libbase_ver}",
    "libchrome-${libbase_ver}",
    "protobuf-lite",
    "openssl",
  ]
}

proto_library("tpm_encrypted_data_proto") {
  proto_in_dir = "."
  proto_out_dir = "include/libtpmcrypto"
  sources = [
    "tpm_encrypted_data.proto",
  ]

  # tpm_encrypted_data_proto.a is used by a shared_libary
  # object, so we need to build it with '-fPIC' instead of '-fPIE'.
  use_pic = true
}

shared_library("libtpmcrypto") {
  configs += [ ":target_defaults" ]
  sources = [
    "tpm_crypto_impl.cc",
    "tpm_proto_utils.cc",
  ]
  deps = [
    ":tpm_encrypted_data_proto",
  ]
  if (use.tpm2) {
    sources += [ "tpm2_impl.cc" ]
    libs = [ "trunks" ]
  }
  if (!use.tpm2) {
    sources += [ "tpm1_impl.cc" ]
    libs = [ "tspi" ]
  }
}

if (use.test) {
  pkg_config("test_config") {
    pkg_deps = [ "libchrome-test-${libbase_ver}" ]
  }

  executable("tpmcrypto_test") {
    configs += [
      "//common-mk:test",
      ":target_defaults",
      ":test_config",
    ]
    sources = [
      "tpm_crypto_impl_test.cc",
      "tpm_proto_utils.cc",
      "tpm_proto_utils_test.cc",
    ]
    if (use.tpm2) {
      sources += [ "tpm2_impl.cc" ]
      libs = [ "trunks" ]
    }
    if (!use.tpm2) {
      sources += [ "tpm1_impl.cc" ]
      libs = [ "tspi" ]
    }
    deps = [
      ":libtpmcrypto",
      ":tpm_encrypted_data_proto",
      "//common-mk/testrunner",
    ]
  }
}