milvus/sdk/cmake/FindGTest.cmake

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CMake
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find_package(Threads REQUIRED)
include(ExternalProject)
ExternalProject_Add(
googletest
URL http://ss2.fluorinedog.com/data/gtest_v1.10.x.zip
UPDATE_COMMAND ""
INSTALL_COMMAND ""
LOG_DOWNLOAD ON
LOG_CONFIGURE ON
LOG_BUILD ON)
ExternalProject_Get_Property(googletest source_dir)
set(GTEST_INCLUDE_DIRS ${source_dir}/googletest/include)
set(GMOCK_INCLUDE_DIRS ${source_dir}/googlemock/include)
# The cloning of the above repo doesn't happen until make, however if the dir doesn't
# exist, INTERFACE_INCLUDE_DIRECTORIES will throw an error.
# To make it work, we just create the directory now during config.
file(MAKE_DIRECTORY ${GTEST_INCLUDE_DIRS})
file(MAKE_DIRECTORY ${GMOCK_INCLUDE_DIRS})
ExternalProject_Get_Property(googletest binary_dir)
set(GTEST_LIBRARY_PATH ${binary_dir}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}gtest.a)
set(GTEST_LIBRARY gtest)
add_library(${GTEST_LIBRARY} UNKNOWN IMPORTED)
set_target_properties(${GTEST_LIBRARY} PROPERTIES
"IMPORTED_LOCATION" "${GTEST_LIBRARY_PATH}"
"IMPORTED_LINK_INTERFACE_LIBRARIES" "${CMAKE_THREAD_LIBS_INIT}"
"INTERFACE_INCLUDE_DIRECTORIES" "${GTEST_INCLUDE_DIRS}")
add_dependencies(${GTEST_LIBRARY} googletest)
set(GTEST_MAIN_LIBRARY_PATH ${binary_dir}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}gtest_main.a)
set(GTEST_MAIN_LIBRARY gtest_main)
add_library(${GTEST_MAIN_LIBRARY} UNKNOWN IMPORTED)
set_target_properties(${GTEST_MAIN_LIBRARY} PROPERTIES
"IMPORTED_LOCATION" "${GTEST_MAIN_LIBRARY_PATH}"
"IMPORTED_LINK_INTERFACE_LIBRARImS" "${CMAKE_THREAD_LIBS_INIT}"
"INTERFACE_INCLUDE_DIRECTORIES" "${GTEST_INCLUDE_DIRS}")
add_dependencies(${GTEST_MAIN_LIBRARY} googletest)
# set(GMOCK_LIBRARY_PATH ${binary_dir}/googlemock/${CMAKE_FIND_LIBRARY_PREFIXES}gmock.a)
# set(GMOCK_LIBRARY gmock)
# add_library(${GMOCK_LIBRARY} UNKNOWN IMPORTED)
# set_target_properties(${GMOCK_LIBRARY} PROPERTIES
# "IMPORTED_LOCATION" "${GMOCK_LIBRARY_PATH}"
# "IMPORTED_LINK_INTERFACE_LIBRARIES" "${CMAKE_THREAD_LIBS_INIT}"
# "INTERFACE_INCLUDE_DIRECTORIES" "${GMOCK_INCLUDE_DIRS}")
# add_dependencies(${GMOCK_LIBRARY} googletest)
# set(GMOCK_MAIN_LIBRARY_PATH ${binary_dir}/googlemock/${CMAKE_FIND_LIBRARY_PREFIXES}gmock_main.a)
# set(GMOCK_MAIN_LIBRARY gmock_main)
# add_library(${GMOCK_MAIN_LIBRARY} UNKNOWN IMPORTED)
# set_target_properties(${GMOCK_MAIN_LIBRARY} PROPERTIES
# "IMPORTED_LOCATION" "${GMOCK_MAIN_LIBRARY_PATH}"
# "IMPORTED_LINK_INTERFACE_LIBRARIES" "${CMAKE_THREAD_LIBS_INIT}"
# "INTERFACE_INCLUDE_DIRECTORIES" "${GMOCK_INCLUDE_DIRS}")
# add_dependencies(${GMOCK_MAIN_LIBRARY} ${GTEST_LIBRARY})