diff options
Diffstat (limited to 'Modules/FindThreads.cmake')
| -rw-r--r-- | Modules/FindThreads.cmake | 192 |
1 files changed, 96 insertions, 96 deletions
diff --git a/Modules/FindThreads.cmake b/Modules/FindThreads.cmake index 21614fb66..5d7677791 100644 --- a/Modules/FindThreads.cmake +++ b/Modules/FindThreads.cmake @@ -21,117 +21,117 @@ # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) -INCLUDE (CheckIncludeFiles) -INCLUDE (CheckLibraryExists) -INCLUDE (CheckSymbolExists) -SET(Threads_FOUND FALSE) +include (CheckIncludeFiles) +include (CheckLibraryExists) +include (CheckSymbolExists) +set(Threads_FOUND FALSE) # Do we have sproc? -IF(CMAKE_SYSTEM MATCHES IRIX AND NOT CMAKE_THREAD_PREFER_PTHREAD) +if(CMAKE_SYSTEM MATCHES IRIX AND NOT CMAKE_THREAD_PREFER_PTHREAD) CHECK_INCLUDE_FILES("sys/types.h;sys/prctl.h" CMAKE_HAVE_SPROC_H) -ENDIF() +endif() -IF(CMAKE_HAVE_SPROC_H AND NOT CMAKE_THREAD_PREFER_PTHREAD) +if(CMAKE_HAVE_SPROC_H AND NOT CMAKE_THREAD_PREFER_PTHREAD) # We have sproc - SET(CMAKE_USE_SPROC_INIT 1) -ELSE() + set(CMAKE_USE_SPROC_INIT 1) +else() # Do we have pthreads? CHECK_INCLUDE_FILES("pthread.h" CMAKE_HAVE_PTHREAD_H) - IF(CMAKE_HAVE_PTHREAD_H) + if(CMAKE_HAVE_PTHREAD_H) # # We have pthread.h # Let's check for the library now. # - SET(CMAKE_HAVE_THREADS_LIBRARY) - IF(NOT THREADS_HAVE_PTHREAD_ARG) + set(CMAKE_HAVE_THREADS_LIBRARY) + if(NOT THREADS_HAVE_PTHREAD_ARG) # Check if pthread functions are in normal C library CHECK_SYMBOL_EXISTS(pthread_create pthread.h CMAKE_HAVE_LIBC_CREATE) - IF(CMAKE_HAVE_LIBC_CREATE) - SET(CMAKE_THREAD_LIBS_INIT "") - SET(CMAKE_HAVE_THREADS_LIBRARY 1) - SET(Threads_FOUND TRUE) - ENDIF() + if(CMAKE_HAVE_LIBC_CREATE) + set(CMAKE_THREAD_LIBS_INIT "") + set(CMAKE_HAVE_THREADS_LIBRARY 1) + set(Threads_FOUND TRUE) + endif() - IF(NOT CMAKE_HAVE_THREADS_LIBRARY) + if(NOT CMAKE_HAVE_THREADS_LIBRARY) # Do we have -lpthreads CHECK_LIBRARY_EXISTS(pthreads pthread_create "" CMAKE_HAVE_PTHREADS_CREATE) - IF(CMAKE_HAVE_PTHREADS_CREATE) - SET(CMAKE_THREAD_LIBS_INIT "-lpthreads") - SET(CMAKE_HAVE_THREADS_LIBRARY 1) - SET(Threads_FOUND TRUE) - ENDIF() + if(CMAKE_HAVE_PTHREADS_CREATE) + set(CMAKE_THREAD_LIBS_INIT "-lpthreads") + set(CMAKE_HAVE_THREADS_LIBRARY 1) + set(Threads_FOUND TRUE) + endif() # Ok, how about -lpthread CHECK_LIBRARY_EXISTS(pthread pthread_create "" CMAKE_HAVE_PTHREAD_CREATE) - IF(CMAKE_HAVE_PTHREAD_CREATE) - SET(CMAKE_THREAD_LIBS_INIT "-lpthread") - SET(CMAKE_HAVE_THREADS_LIBRARY 1) - SET(Threads_FOUND TRUE) - ENDIF() + if(CMAKE_HAVE_PTHREAD_CREATE) + set(CMAKE_THREAD_LIBS_INIT "-lpthread") + set(CMAKE_HAVE_THREADS_LIBRARY 1) + set(Threads_FOUND TRUE) + endif() - IF(CMAKE_SYSTEM MATCHES "SunOS.*") + if(CMAKE_SYSTEM MATCHES "SunOS.*") # On sun also check for -lthread CHECK_LIBRARY_EXISTS(thread thr_create "" CMAKE_HAVE_THR_CREATE) - IF(CMAKE_HAVE_THR_CREATE) - SET(CMAKE_THREAD_LIBS_INIT "-lthread") - SET(CMAKE_HAVE_THREADS_LIBRARY 1) - SET(Threads_FOUND TRUE) - ENDIF() - ENDIF(CMAKE_SYSTEM MATCHES "SunOS.*") - ENDIF(NOT CMAKE_HAVE_THREADS_LIBRARY) - ENDIF(NOT THREADS_HAVE_PTHREAD_ARG) - - IF(NOT CMAKE_HAVE_THREADS_LIBRARY) + if(CMAKE_HAVE_THR_CREATE) + set(CMAKE_THREAD_LIBS_INIT "-lthread") + set(CMAKE_HAVE_THREADS_LIBRARY 1) + set(Threads_FOUND TRUE) + endif() + endif() + endif() + endif() + + if(NOT CMAKE_HAVE_THREADS_LIBRARY) # If we did not found -lpthread, -lpthread, or -lthread, look for -pthread - IF("THREADS_HAVE_PTHREAD_ARG" MATCHES "^THREADS_HAVE_PTHREAD_ARG") - MESSAGE(STATUS "Check if compiler accepts -pthread") - TRY_RUN(THREADS_PTHREAD_ARG THREADS_HAVE_PTHREAD_ARG + if("THREADS_HAVE_PTHREAD_ARG" MATCHES "^THREADS_HAVE_PTHREAD_ARG") + message(STATUS "Check if compiler accepts -pthread") + try_run(THREADS_PTHREAD_ARG THREADS_HAVE_PTHREAD_ARG ${CMAKE_BINARY_DIR} ${CMAKE_ROOT}/Modules/CheckForPthreads.c CMAKE_FLAGS -DLINK_LIBRARIES:STRING=-pthread COMPILE_OUTPUT_VARIABLE OUTPUT) - IF(THREADS_HAVE_PTHREAD_ARG) - IF(THREADS_PTHREAD_ARG MATCHES "^2$") - SET(Threads_FOUND TRUE) - MESSAGE(STATUS "Check if compiler accepts -pthread - yes") - ELSE() - MESSAGE(STATUS "Check if compiler accepts -pthread - no") - FILE(APPEND - ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + if(THREADS_HAVE_PTHREAD_ARG) + if(THREADS_PTHREAD_ARG MATCHES "^2$") + set(Threads_FOUND TRUE) + message(STATUS "Check if compiler accepts -pthread - yes") + else() + message(STATUS "Check if compiler accepts -pthread - no") + file(APPEND + ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining if compiler accepts -pthread returned ${THREADS_PTHREAD_ARG} instead of 2. The compiler had the following output:\n${OUTPUT}\n\n") - ENDIF() - ELSE() - MESSAGE(STATUS "Check if compiler accepts -pthread - no") - FILE(APPEND - ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + endif() + else() + message(STATUS "Check if compiler accepts -pthread - no") + file(APPEND + ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining if compiler accepts -pthread failed with the following output:\n${OUTPUT}\n\n") - ENDIF() + endif() - ENDIF("THREADS_HAVE_PTHREAD_ARG" MATCHES "^THREADS_HAVE_PTHREAD_ARG") + endif() - IF(THREADS_HAVE_PTHREAD_ARG) - SET(Threads_FOUND TRUE) - SET(CMAKE_THREAD_LIBS_INIT "-pthread") - ENDIF() + if(THREADS_HAVE_PTHREAD_ARG) + set(Threads_FOUND TRUE) + set(CMAKE_THREAD_LIBS_INIT "-pthread") + endif() - ENDIF(NOT CMAKE_HAVE_THREADS_LIBRARY) - ENDIF(CMAKE_HAVE_PTHREAD_H) -ENDIF() + endif() + endif() +endif() -IF(CMAKE_THREAD_LIBS_INIT OR CMAKE_HAVE_LIBC_CREATE) - SET(CMAKE_USE_PTHREADS_INIT 1) - SET(Threads_FOUND TRUE) -ENDIF() +if(CMAKE_THREAD_LIBS_INIT OR CMAKE_HAVE_LIBC_CREATE) + set(CMAKE_USE_PTHREADS_INIT 1) + set(Threads_FOUND TRUE) +endif() -IF(CMAKE_SYSTEM MATCHES "Windows") - SET(CMAKE_USE_WIN32_THREADS_INIT 1) - SET(Threads_FOUND TRUE) -ENDIF() +if(CMAKE_SYSTEM MATCHES "Windows") + set(CMAKE_USE_WIN32_THREADS_INIT 1) + set(Threads_FOUND TRUE) +endif() -IF(CMAKE_USE_PTHREADS_INIT) - IF(CMAKE_SYSTEM MATCHES "HP-UX-*") +if(CMAKE_USE_PTHREADS_INIT) + if(CMAKE_SYSTEM MATCHES "HP-UX-*") # Use libcma if it exists and can be used. It provides more # symbols than the plain pthread library. CMA threads # have actually been deprecated: @@ -141,26 +141,26 @@ IF(CMAKE_USE_PTHREADS_INIT) # The CMAKE_HP_PTHREADS setting actually indicates whether CMA threads # are available. CHECK_LIBRARY_EXISTS(cma pthread_attr_create "" CMAKE_HAVE_HP_CMA) - IF(CMAKE_HAVE_HP_CMA) - SET(CMAKE_THREAD_LIBS_INIT "-lcma") - SET(CMAKE_HP_PTHREADS_INIT 1) - SET(Threads_FOUND TRUE) - ENDIF(CMAKE_HAVE_HP_CMA) - SET(CMAKE_USE_PTHREADS_INIT 1) - ENDIF() - - IF(CMAKE_SYSTEM MATCHES "OSF1-V*") - SET(CMAKE_USE_PTHREADS_INIT 0) - SET(CMAKE_THREAD_LIBS_INIT ) - ENDIF() - - IF(CMAKE_SYSTEM MATCHES "CYGWIN_NT*") - SET(CMAKE_USE_PTHREADS_INIT 1) - SET(Threads_FOUND TRUE) - SET(CMAKE_THREAD_LIBS_INIT ) - SET(CMAKE_USE_WIN32_THREADS_INIT 0) - ENDIF() -ENDIF(CMAKE_USE_PTHREADS_INIT) - -INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) + if(CMAKE_HAVE_HP_CMA) + set(CMAKE_THREAD_LIBS_INIT "-lcma") + set(CMAKE_HP_PTHREADS_INIT 1) + set(Threads_FOUND TRUE) + endif() + set(CMAKE_USE_PTHREADS_INIT 1) + endif() + + if(CMAKE_SYSTEM MATCHES "OSF1-V*") + set(CMAKE_USE_PTHREADS_INIT 0) + set(CMAKE_THREAD_LIBS_INIT ) + endif() + + if(CMAKE_SYSTEM MATCHES "CYGWIN_NT*") + set(CMAKE_USE_PTHREADS_INIT 1) + set(Threads_FOUND TRUE) + set(CMAKE_THREAD_LIBS_INIT ) + set(CMAKE_USE_WIN32_THREADS_INIT 0) + endif() +endif() + +include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) FIND_PACKAGE_HANDLE_STANDARD_ARGS(Threads DEFAULT_MSG Threads_FOUND) |