# Copyright 2017 Google Inc. All rights reserved.
#
# 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.

add_subdirectory(libfuzzer)

add_library(protobuf-mutator
            binary_format.cc
            mutator.cc
            text_format.cc
            utf8_fix.cc)
target_link_libraries(protobuf-mutator
                      ${PROTOBUF_LIBRARIES})
set_target_properties(protobuf-mutator PROPERTIES
                      COMPILE_FLAGS "${NO_FUZZING_FLAGS}"
                      SOVERSION 0)

if (LIB_PROTO_MUTATOR_TESTING)
  protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS
                        mutator_test_proto2.proto
                        mutator_test_proto3.proto)

  add_library(mutator-test-proto
              ${PROTO_SRCS})

  add_executable(mutator_test
                 mutator_test.cc
                 utf8_fix_test.cc
                 weighted_reservoir_sampler_test.cc)
  target_link_libraries(mutator_test
                        protobuf-mutator
                        mutator-test-proto
                        ${ZLIB_LIBRARIES}
                        ${GTEST_BOTH_LIBRARIES}
                        ${CMAKE_THREAD_LIBS_INIT})

  ProcessorCount(CPU_COUNT)
  math(EXPR TEST_SHARDS_COUNT 2*${CPU_COUNT})
  math(EXPR TEST_SHARDS_MAX ${TEST_SHARDS_COUNT}-1)
  foreach(SHARD RANGE ${TEST_SHARDS_MAX})
    add_test(test.protobuf_mutator_test_${SHARD} mutator_test --gtest_color=yes AUTO)
    set_property(
        TEST test.protobuf_mutator_test_${SHARD}
        APPEND PROPERTY ENVIRONMENT
        GTEST_SHARD_INDEX=${SHARD}
        GTEST_TOTAL_SHARDS=${TEST_SHARDS_COUNT})
  endforeach(SHARD)

  add_dependencies(check mutator_test)
endif()

install(TARGETS protobuf-mutator
        EXPORT libprotobuf-mutatorTargets
        ARCHIVE DESTINATION ${LIB_DIR}
        LIBRARY DESTINATION ${LIB_DIR}
        INCLUDES DESTINATION include/libprotobuf-mutator include/libprotobuf-mutator/src)