1# Download and unpack googletest at configure time
2set(GOOGLETEST_PREFIX "${benchmark_BINARY_DIR}/third_party/googletest")
3configure_file(${benchmark_SOURCE_DIR}/cmake/GoogleTest.cmake.in ${GOOGLETEST_PREFIX}/CMakeLists.txt @ONLY)
4
5set(GOOGLETEST_PATH "${CMAKE_CURRENT_SOURCE_DIR}/googletest" CACHE PATH "") # Mind the quotes
6execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}"
7  -DALLOW_DOWNLOADING_GOOGLETEST=${BENCHMARK_DOWNLOAD_DEPENDENCIES} -DGOOGLETEST_PATH:PATH=${GOOGLETEST_PATH} .
8  RESULT_VARIABLE result
9  WORKING_DIRECTORY ${GOOGLETEST_PREFIX}
10)
11
12if(result)
13  message(FATAL_ERROR "CMake step for googletest failed: ${result}")
14endif()
15
16execute_process(
17  COMMAND ${CMAKE_COMMAND} --build .
18  RESULT_VARIABLE result
19  WORKING_DIRECTORY ${GOOGLETEST_PREFIX}
20)
21
22if(result)
23  message(FATAL_ERROR "Build step for googletest failed: ${result}")
24endif()
25
26# Prevent overriding the parent project's compiler/linker
27# settings on Windows
28set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
29
30include(${GOOGLETEST_PREFIX}/googletest-paths.cmake)
31
32# Add googletest directly to our build. This defines
33# the gtest and gtest_main targets.
34add_subdirectory(${GOOGLETEST_SOURCE_DIR}
35                 ${GOOGLETEST_BINARY_DIR}
36                 EXCLUDE_FROM_ALL)
37
38set_target_properties(gtest PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gtest,INTERFACE_INCLUDE_DIRECTORIES>)
39set_target_properties(gtest_main PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gtest_main,INTERFACE_INCLUDE_DIRECTORIES>)
40set_target_properties(gmock PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gmock,INTERFACE_INCLUDE_DIRECTORIES>)
41set_target_properties(gmock_main PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gmock_main,INTERFACE_INCLUDE_DIRECTORIES>)
42