2019-06-05 12:28:31 +00:00
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# We can't create the same interface imported target multiple times, CMake will complain if we do
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# that. This can happen if the find_package call is done in multiple different subdirectories.
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if(TARGET WrapRt)
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set(WrapRt_FOUND ON)
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return()
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endif()
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2020-02-24 13:34:15 +00:00
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set(WrapRt_FOUND OFF)
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2018-11-05 13:18:57 +00:00
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include(CheckCXXSourceCompiles)
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2019-02-12 15:04:57 +00:00
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include(CMakePushCheckState)
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2018-11-05 13:18:57 +00:00
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find_library(LIBRT rt)
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2019-02-12 15:04:57 +00:00
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cmake_push_check_state()
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2018-11-05 13:18:57 +00:00
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if(LIBRT_FOUND)
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list(APPEND CMAKE_REQUIRED_LIBRARIES "${LIBRT}")
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endif()
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check_cxx_source_compiles("
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#include <unistd.h>
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#include <time.h>
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int main(int argc, char *argv[]) {
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timespec ts; clock_gettime(CLOCK_REALTIME, &ts);
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}" HAVE_GETTIME)
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2019-02-12 15:04:57 +00:00
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cmake_pop_check_state()
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2018-11-05 13:18:57 +00:00
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2020-02-24 13:34:15 +00:00
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if(HAVE_GETTIME)
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set(WrapRt_FOUND ON)
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add_library(WrapRt INTERFACE IMPORTED)
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if (LIBRT_FOUND)
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target_link_libraries(WrapRt INTERFACE "${LIBRT}")
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endif()
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endif()
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