1*9356374aSAndroid Build Coastguard Worker# Integrates googletest at configure time. Based on the instructions at 2*9356374aSAndroid Build Coastguard Worker# https://github.com/google/googletest/tree/master/googletest#incorporating-into-an-existing-cmake-project 3*9356374aSAndroid Build Coastguard Worker 4*9356374aSAndroid Build Coastguard Worker# Set up the external googletest project, downloading the latest from Github 5*9356374aSAndroid Build Coastguard Worker# master if requested. 6*9356374aSAndroid Build Coastguard Workerconfigure_file( 7*9356374aSAndroid Build Coastguard Worker ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt.in 8*9356374aSAndroid Build Coastguard Worker ${CMAKE_BINARY_DIR}/googletest-external/CMakeLists.txt 9*9356374aSAndroid Build Coastguard Worker) 10*9356374aSAndroid Build Coastguard Worker 11*9356374aSAndroid Build Coastguard Workerset(ABSL_SAVE_CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) 12*9356374aSAndroid Build Coastguard Workerset(ABSL_SAVE_CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}) 13*9356374aSAndroid Build Coastguard Workerif (BUILD_SHARED_LIBS) 14*9356374aSAndroid Build Coastguard Worker set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin) 15*9356374aSAndroid Build Coastguard Worker set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DGTEST_CREATE_SHARED_LIBRARY=1") 16*9356374aSAndroid Build Coastguard Workerendif() 17*9356374aSAndroid Build Coastguard Worker 18*9356374aSAndroid Build Coastguard Worker# Configure and build the googletest source. 19*9356374aSAndroid Build Coastguard Workerexecute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" . 20*9356374aSAndroid Build Coastguard Worker RESULT_VARIABLE result 21*9356374aSAndroid Build Coastguard Worker WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-external ) 22*9356374aSAndroid Build Coastguard Workerif(result) 23*9356374aSAndroid Build Coastguard Worker message(FATAL_ERROR "CMake step for googletest failed: ${result}") 24*9356374aSAndroid Build Coastguard Workerendif() 25*9356374aSAndroid Build Coastguard Worker 26*9356374aSAndroid Build Coastguard Workerexecute_process(COMMAND ${CMAKE_COMMAND} --build . 27*9356374aSAndroid Build Coastguard Worker RESULT_VARIABLE result 28*9356374aSAndroid Build Coastguard Worker WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-external) 29*9356374aSAndroid Build Coastguard Workerif(result) 30*9356374aSAndroid Build Coastguard Worker message(FATAL_ERROR "Build step for googletest failed: ${result}") 31*9356374aSAndroid Build Coastguard Workerendif() 32*9356374aSAndroid Build Coastguard Worker 33*9356374aSAndroid Build Coastguard Workerset(CMAKE_CXX_FLAGS ${ABSL_SAVE_CMAKE_CXX_FLAGS}) 34*9356374aSAndroid Build Coastguard Workerset(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${ABSL_SAVE_CMAKE_RUNTIME_OUTPUT_DIRECTORY}) 35*9356374aSAndroid Build Coastguard Worker 36*9356374aSAndroid Build Coastguard Worker# Prevent overriding the parent project's compiler/linker settings on Windows 37*9356374aSAndroid Build Coastguard Workerset(gtest_force_shared_crt ON CACHE BOOL "" FORCE) 38*9356374aSAndroid Build Coastguard Worker 39*9356374aSAndroid Build Coastguard Worker# Add googletest directly to our build. This defines the gtest and gtest_main 40*9356374aSAndroid Build Coastguard Worker# targets. 41*9356374aSAndroid Build Coastguard Workeradd_subdirectory(${absl_gtest_src_dir} ${absl_gtest_build_dir} EXCLUDE_FROM_ALL) 42