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This commit is contained in:
Vitor Santos Costa 2016-07-31 10:20:54 -05:00
parent 168d0b41ec
commit 4fa33de8a8
1 changed files with 63 additions and 0 deletions
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63
cmake/Threads.cmake Normal file
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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)