| # Copyright 2016 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. |
| |
| cmake_minimum_required(VERSION 3.5) |
| project(LibProtobufMutator CXX) |
| |
| enable_language(C) |
| enable_language(CXX) |
| |
| option(LIB_PROTO_MUTATOR_DOWNLOAD_PROTOBUF |
| "Automatically download working protobuf" OFF) |
| option(LIB_PROTO_MUTATOR_WITH_ASAN "Enable address sanitizer" OFF) |
| set(LIB_PROTO_MUTATOR_FUZZER_LIBRARIES "" CACHE STRING "Fuzzing engine libs") |
| |
| # External dependencies |
| set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/external) |
| |
| # External dependencies |
| include(ProcessorCount) |
| include(CheckCCompilerFlag) |
| include(CheckCXXCompilerFlag) |
| |
| set(THREADS_PREFER_PTHREAD_FLAG ON) |
| find_package(Threads) |
| |
| find_package(LibLZMA) |
| include_directories(${LIBLZMA_INCLUDE_DIRS}) |
| |
| find_package(ZLIB) |
| include_directories(${ZLIB_INCLUDE_DIRS}) |
| |
| set(CMAKE_CXX_STANDARD 11) |
| |
| include_directories(${PROJECT_SOURCE_DIR}) |
| |
| set(CMAKE_REQUIRED_FLAGS "-fsanitize=address") |
| check_cxx_compiler_flag(-fsanitize=address LIB_PROTO_MUTATOR_HAS_SANITIZE_ADDRESS) |
| check_cxx_compiler_flag("-fsanitize=address -fsanitize-address-use-after-scope" |
| LIB_PROTO_MUTATOR_HAS_SANITIZE_SCOPE) |
| unset(CMAKE_REQUIRED_FLAGS) |
| |
| set(CMAKE_REQUIRED_FLAGS "-fsanitize-coverage=0") |
| check_cxx_compiler_flag(-fsanitize-coverage= LIB_PROTO_MUTATOR_HAS_NO_COVERAGE) |
| unset(CMAKE_REQUIRED_FLAGS) |
| |
| set(CMAKE_REQUIRED_FLAGS "-fsanitize=fuzzer-no-link") |
| check_cxx_compiler_flag(-fsanitize=fuzzer-no-link LIB_PROTO_MUTATOR_HAS_SANITIZE_FUZZER) |
| unset(CMAKE_REQUIRED_FLAGS) |
| |
| set(CMAKE_REQUIRED_FLAGS "-fno-sanitize=fuzzer") |
| check_cxx_compiler_flag(-fno-sanitize=fuzzer LIB_PROTO_MUTATOR_HAS_NO_SANITIZE_FUZZER) |
| unset(CMAKE_REQUIRED_FLAGS) |
| |
| check_cxx_compiler_flag(-Wstring-conversion LIB_PROTO_MUTATOR_HAS_WSTRING_CONVERSION) |
| |
| set(EXTRA_FLAGS "-fno-exceptions -Werror -Wall") |
| if (LIB_PROTO_MUTATOR_HAS_WSTRING_CONVERSION) |
| set(EXTRA_FLAGS "${EXTRA_FLAGS} -Wstring-conversion") |
| endif() |
| |
| if (LIB_PROTO_MUTATOR_WITH_ASAN) |
| if (LIB_PROTO_MUTATOR_HAS_SANITIZE_ADDRESS) |
| set(EXTRA_FLAGS "${EXTRA_FLAGS} -fsanitize=address") |
| if (LIB_PROTO_MUTATOR_HAS_SANITIZE_SCOPE) |
| set(EXTRA_FLAGS "${EXTRA_FLAGS} -fsanitize-address-use-after-scope") |
| endif() |
| endif() |
| endif() |
| |
| # Assume CFLAGS has coverage options if LIB_PROTO_MUTATOR_FUZZER_LIBRARIES was set |
| if ("${LIB_PROTO_MUTATOR_FUZZER_LIBRARIES}" STREQUAL "") |
| if (LIB_PROTO_MUTATOR_HAS_SANITIZE_FUZZER) |
| set(FUZZING_FLAGS "-fsanitize=fuzzer-no-link") |
| set(FUZZING_FLAGS_BINARY "-fsanitize=fuzzer") |
| endif() |
| if (LIB_PROTO_MUTATOR_HAS_SANITIZE_NO_FUZZER) |
| set(NO_FUZZING_FLAGS "-fno-sanitize=fuzzer") |
| endif() |
| endif() |
| if (LIB_PROTO_MUTATOR_HAS_NO_COVERAGE) |
| set(NO_FUZZING_FLAGS "${NO_FUZZING_FLAGS} -fsanitize-coverage=0") |
| endif() |
| |
| set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_FLAGS}") |
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_FLAGS}") |
| |
| set(PROTOBUF_CFLAGS "${CMAKE_C_FLAGS} ${NO_FUZZING_FLAGS} -w") |
| set(PROTOBUF_CXXFLAGS "${CMAKE_CXX_FLAGS} ${NO_FUZZING_FLAGS} -w") |
| if(CMAKE_USE_PTHREADS_INIT) |
| set(PROTOBUF_CFLAGS "${PROTOBUF_CFLAGS} -pthread") |
| set(PROTOBUF_CXXFLAGS "${PROTOBUF_CXXFLAGS} -pthread") |
| endif() |
| |
| if (LIB_PROTO_MUTATOR_DOWNLOAD_PROTOBUF) |
| include(protobuf) |
| else() |
| find_package(Protobuf REQUIRED) |
| include_directories(${PROTOBUF_INCLUDE_DIRS}) |
| include_directories(${CMAKE_CURRENT_BINARY_DIR}) |
| endif() |
| |
| enable_testing() |
| |
| include(googletest) |
| |
| if (NOT LIB_PROTO_MUTATOR_CTEST_JOBS) |
| ProcessorCount(LIB_PROTO_MUTATOR_CTEST_JOBS) |
| endif() |
| add_custom_target(check |
| COMMAND ${CMAKE_CTEST_COMMAND} -j${LIB_PROTO_MUTATOR_CTEST_JOBS} --output-on-failure) |
| |
| add_subdirectory(src) |
| |
| if (NOT "${LIB_PROTO_MUTATOR_FUZZER_LIBRARIES}" STREQUAL "" OR |
| NOT "${FUZZING_FLAGS}" STREQUAL "") |
| add_subdirectory(examples EXCLUDE_FROM_ALL) |
| endif() |
| |