mirror of https://git.tukaani.org/xz.git
CMake: Always add pthread flags into CMAKE_REQUIRED_LIBRARIES
It was weird to add CMAKE_THREAD_LIBS_INIT in CMAKE_REQUIRED_LIBRARIES only if CLOCK_MONOTONIC is available. Alternative would be to remove the thread libs from CMAKE_REQUIRED_LIBRARIES after the check for pthread_condattr_setclock() but keeping the libs should be fine too. Then it's ready in case more pthread functions were wanted some day.
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@ -645,11 +645,13 @@ if(XZ_THREADS)
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target_link_libraries(liblzma PRIVATE Threads::Threads)
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add_compile_definitions(MYTHREAD_POSIX)
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# Make the thread libs available in later checks. In practice
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# only pthread_condattr_setclock check should need this.
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list(INSERT CMAKE_REQUIRED_LIBRARIES 0 "${CMAKE_THREAD_LIBS_INIT}")
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# Check if pthread_condattr_setclock() exists to
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# use CLOCK_MONOTONIC.
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if(HAVE_CLOCK_MONOTONIC)
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list(INSERT CMAKE_REQUIRED_LIBRARIES 0
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"${CMAKE_THREAD_LIBS_INIT}")
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check_symbol_exists(pthread_condattr_setclock pthread.h
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HAVE_PTHREAD_CONDATTR_SETCLOCK)
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tuklib_add_definition_if(ALL HAVE_PTHREAD_CONDATTR_SETCLOCK)
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