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Diffstat (limited to 'share/cmake-3.2/Modules/FindThreads.cmake')
| -rwxr-xr-x | share/cmake-3.2/Modules/FindThreads.cmake | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/share/cmake-3.2/Modules/FindThreads.cmake b/share/cmake-3.2/Modules/FindThreads.cmake deleted file mode 100755 index a0bc4d1..0000000 --- a/share/cmake-3.2/Modules/FindThreads.cmake +++ /dev/null @@ -1,216 +0,0 @@ -#.rst: -# FindThreads -# ----------- -# -# This module determines the thread library of the system. -# -# The following variables are set -# -# :: -# -# 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 -# -# :: -# -# THREADS_PREFER_PTHREAD_FLAG -# -# 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. - -#============================================================================= -# Copyright 2002-2009 Kitware, Inc. -# Copyright 2011-2014 Rolf Eike Beer <eike@sf-mail.de> -# -# Distributed under the OSI-approved BSD License (the "License"); -# see accompanying file Copyright.txt for details. -# -# This software is distributed WITHOUT ANY WARRANTY; without even the -# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the License for more information. -#============================================================================= -# (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) -set(CMAKE_REQUIRED_QUIET_SAVE ${CMAKE_REQUIRED_QUIET}) -set(CMAKE_REQUIRED_QUIET ${Threads_FIND_QUIETLY}) - -# Do we have sproc? -if(CMAKE_SYSTEM_NAME MATCHES IRIX AND NOT CMAKE_THREAD_PREFER_PTHREAD) - CHECK_INCLUDE_FILES("sys/types.h;sys/prctl.h" CMAKE_HAVE_SPROC_H) -endif() - -# Internal helper macro. -# Do NOT even think about using it outside of this file! -macro(_check_threads_lib LIBNAME FUNCNAME VARNAME) - if(NOT Threads_FOUND) - CHECK_LIBRARY_EXISTS(${LIBNAME} ${FUNCNAME} "" ${VARNAME}) - if(${VARNAME}) - set(CMAKE_THREAD_LIBS_INIT "-l${LIBNAME}") - set(CMAKE_HAVE_THREADS_LIBRARY 1) - set(Threads_FOUND TRUE) - endif() - endif () -endmacro() - -# Internal helper macro. -# Do NOT even think about using it outside of this file! -macro(_check_pthreads_flag) - if(NOT Threads_FOUND) - # If we did not found -lpthread, -lpthread, or -lthread, look for -pthread - if(NOT DEFINED THREADS_HAVE_PTHREAD_ARG) - message(STATUS "Check if compiler accepts -pthread") - try_run(THREADS_PTHREAD_ARG THREADS_HAVE_PTHREAD_ARG - ${CMAKE_BINARY_DIR} - ${CMAKE_CURRENT_LIST_DIR}/CheckForPthreads.c - CMAKE_FLAGS -DLINK_LIBRARIES:STRING=-pthread - COMPILE_OUTPUT_VARIABLE OUTPUT) - - if(THREADS_HAVE_PTHREAD_ARG) - if(THREADS_PTHREAD_ARG STREQUAL "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 - "Determining if compiler accepts -pthread failed with the following output:\n${OUTPUT}\n\n") - endif() - - endif() - - if(THREADS_HAVE_PTHREAD_ARG) - set(Threads_FOUND TRUE) - set(CMAKE_THREAD_LIBS_INIT "-pthread") - endif() - endif() -endmacro() - -if(CMAKE_HAVE_SPROC_H AND NOT CMAKE_THREAD_PREFER_PTHREAD) - # We have sproc - 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) - - # - # We have pthread.h - # Let's check for the library now. - # - 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) - else() - - # Check for -pthread first if enabled. This is the recommended - # way, but not backwards compatible as one must also pass -pthread - # as compiler flag then. - if (THREADS_PREFER_PTHREAD_FLAG) - _check_pthreads_flag() - endif () - - _check_threads_lib(pthreads pthread_create CMAKE_HAVE_PTHREADS_CREATE) - _check_threads_lib(pthread pthread_create CMAKE_HAVE_PTHREAD_CREATE) - if(CMAKE_SYSTEM_NAME MATCHES "SunOS") - # On sun also check for -lthread - _check_threads_lib(thread thr_create CMAKE_HAVE_THR_CREATE) - endif() - endif() - endif() - - _check_pthreads_flag() - 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_SYSTEM_NAME MATCHES "Windows") - set(CMAKE_USE_WIN32_THREADS_INIT 1) - set(Threads_FOUND TRUE) -endif() - -if(CMAKE_USE_PTHREADS_INIT) - if(CMAKE_SYSTEM_NAME 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: - # http://docs.hp.com/en/B3920-90091/ch12s03.html#d0e11395 - # http://docs.hp.com/en/947/d8.html - # but we need to maintain compatibility here. - # 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() - 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() - -set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE}) -include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) -FIND_PACKAGE_HANDLE_STANDARD_ARGS(Threads DEFAULT_MSG Threads_FOUND) - -if(THREADS_FOUND AND NOT TARGET Threads::Threads) - add_library(Threads::Threads INTERFACE IMPORTED) - - if(THREADS_HAVE_PTHREAD_ARG) - set_property(TARGET Threads::Threads PROPERTY INTERFACE_COMPILE_OPTIONS "-pthread") - endif() - - if(CMAKE_THREAD_LIBS_INIT) - set_property(TARGET Threads::Threads PROPERTY INTERFACE_LINK_LIBRARIES "${CMAKE_THREAD_LIBS_INIT}") - endif() -endif() |