option(protobuf_USE_EXTERNAL_GTEST "Use external Google Test (i.e. not the one in third_party/googletest)" OFF) if (protobuf_USE_EXTERNAL_GTEST) find_package(GTest REQUIRED) else() if (NOT EXISTS "${protobuf_SOURCE_DIR}/third_party/googletest/CMakeLists.txt") message(FATAL_ERROR "Cannot find third_party/googletest directory that's needed to " "build tests. If you use git, make sure you have cloned submodules:\n" " git submodule update --init --recursive\n" "If instead you want to skip tests, run cmake with:\n" " cmake -Dprotobuf_BUILD_TESTS=OFF\n") endif() set(googlemock_source_dir "${protobuf_SOURCE_DIR}/third_party/googletest/googlemock") set(googletest_source_dir "${protobuf_SOURCE_DIR}/third_party/googletest/googletest") include_directories( ${googlemock_source_dir} ${googletest_source_dir} ${googletest_source_dir}/include ${googlemock_source_dir}/include ) add_library(gmock ${protobuf_SHARED_OR_STATIC} "${googlemock_source_dir}/src/gmock-all.cc" "${googletest_source_dir}/src/gtest-all.cc" ) if (protobuf_BUILD_SHARED_LIBS) set_target_properties(gmock PROPERTIES COMPILE_DEFINITIONS "GTEST_CREATE_SHARED_LIBRARY=1" ) endif() if (protobuf_INSTALL) set(protobuf_INSTALL_TESTS ON) endif() target_link_libraries(gmock ${CMAKE_THREAD_LIBS_INIT}) add_library(gmock_main STATIC "${googlemock_source_dir}/src/gmock_main.cc") target_link_libraries(gmock_main gmock) add_library(GTest::gmock ALIAS gmock) add_library(GTest::gmock_main ALIAS gmock_main) add_library(GTest::gtest ALIAS gmock) add_library(GTest::gtest_main ALIAS gmock_main) endif()