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# the following code to fetch googletest
# is inspired by and adapted after https://crascit.com/2015/07/25/cmake-gtest/
# download and unpack googletest at configure time
macro(fetch_googletest _download_module_path _download_root)
set(GOOGLETEST_DOWNLOAD_ROOT ${_download_root})
configure_file(
${_download_module_path}/googletest-download.cmake
${_download_root}/CMakeLists.txt
@ONLY
)
unset(GOOGLETEST_DOWNLOAD_ROOT)
execute_process(
COMMAND
"${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
WORKING_DIRECTORY
${_download_root}
)
execute_process(
COMMAND
"${CMAKE_COMMAND}" --build .
WORKING_DIRECTORY
${_download_root}
)
# adds the targers: gtest, gtest_main, gmock, gmock_main
add_subdirectory(
${_download_root}/googletest-src
${_download_root}/googletest-build
)
endmacro()
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