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