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# Download and unpack googletest at configure time
configure_file(
cmake/GoogleBenchmark.cmake.in
google-benchmark-download/CMakeLists.txt)
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/google-benchmark-download)
if(result)
message(FATAL_ERROR "CMake step for google-benchmark failed: ${result}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/google-benchmark-download)
if(result)
message(FATAL_ERROR "Build step for google-benchmark failed: ${result}")
endif()
# Add google-benchmark directly to our build. This defines
# the benchmark and benchmark_main targets.
add_subdirectory(${CMAKE_CURRENT_BINARY_DIR}/google-benchmark-src
${CMAKE_CURRENT_BINARY_DIR}/google-benchmark-build
EXCLUDE_FROM_ALL)
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