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44 lines
1.0 KiB
CMake
44 lines
1.0 KiB
CMake
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# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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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::WrapRt)
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set(WrapRt_FOUND ON)
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return()
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endif()
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set(WrapRt_FOUND OFF)
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include(CheckCXXSourceCompiles)
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include(CMakePushCheckState)
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find_library(LIBRT rt)
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cmake_push_check_state()
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if(LIBRT)
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list(APPEND CMAKE_REQUIRED_LIBRARIES "${LIBRT}")
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endif()
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check_cxx_source_compiles("
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#include <unistd.h>
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#include <time.h>
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int main(int, char **) {
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timespec ts; clock_gettime(CLOCK_REALTIME, &ts);
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}" HAVE_GETTIME)
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cmake_pop_check_state()
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if(HAVE_GETTIME)
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set(WrapRt_FOUND ON)
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add_library(WrapRt::WrapRt INTERFACE IMPORTED)
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if (LIBRT)
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target_link_libraries(WrapRt::WrapRt INTERFACE "${LIBRT}")
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endif()
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(WrapRt DEFAULT_MSG WrapRt_FOUND)
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