2016-07-31 17:35:57 +01:00
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macro_optional_find_package (Threads OFF)
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2017-07-30 22:24:00 +01:00
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2016-07-31 17:35:57 +01:00
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if (WITH_Threads)
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#
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# CMAKE_THREAD_LIBS_INIT - the thread library
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# CMAKE_USE_SPROC_INIT - are we using sproc?
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# CMAKE_USE_WIN32_THREADS_INIT - using WIN32 threads?
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# CMAKE_USE_PTHREADS_INIT - are we using pthreads
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# CMAKE_HP_PTHREADS_INIT - are we using hp pthreads
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#
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# The following import target is created
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#
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# ::
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#
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# Threads::Threads
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#
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# For systems with multiple thread libraries, caller can set
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#
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# ::
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#
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# CMAKE_THREAD_PREFER_PTHREAD
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#
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# If the use of the -pthread compiler and linker flag is prefered then the
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# caller can set
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#
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# ::
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#
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set( THREADS_PREFER_PTHREAD_FLAG ON)
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if (CMAKE_USE_PTHREADS_INIT)
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target_link_libraries(libYap pthread)
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set (HAVE_READLINE_READLINE_H 1)
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# set( CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} )
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check_function_exists( pthread_mutexattr_setkind_np HAVE_PTHREAD_MUTEXATTR_SETKIND_NP )
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check_function_exists( pthread_mutexattr_settype HAVE_PTHREAD_MUTEXATTR_SETTYPE )
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check_function_exists( pthread_setconcurrency HAVE_PTHREAD_SETCONCURRENCY )
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endif (CMAKE_USE_PTHREADS_INIT)
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set(YAP_SYSTEM_OPTIONS "threads " ${YAP_SYSTEM_OPTIONS})
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set_property( DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS THREADS=1)
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#
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# Please note that the compiler flag can only be used with the imported
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# target. Use of both the imported target as well as this switch is highly
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# recommended for new code.
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endif (WITH_Threads)
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cmake_dependent_option (WITH_Pthread_Locking
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"use pthread locking primitives for internal locking" ON
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"WITH_Threads" OFF)
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IF(WITH_Pthread_Lockin)
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set_DIRECTORY_properties(PROPERTIES APPEND COMPILE_DEFINITIONS USE_PTHREAD_LOCKING=1)
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ENDIF()
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CMAKE_DEPENDENT_OPTION (WITH_MAX_Threads 1024
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"maximum number of threads" "WITH_Threads" 1)
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CMAKE_DEPENDENT_OPTION (WITH_MAX_Workers 64
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"maximum number of or-parallel workers" "WITH_MAX_Workers" 1)
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