diff options
Diffstat (limited to 'Modules/FindThreads.cmake')
-rw-r--r-- | Modules/FindThreads.cmake | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/Modules/FindThreads.cmake b/Modules/FindThreads.cmake index a0bc4d1..c607923 100644 --- a/Modules/FindThreads.cmake +++ b/Modules/FindThreads.cmake @@ -39,7 +39,7 @@ #============================================================================= # Copyright 2002-2009 Kitware, Inc. -# Copyright 2011-2014 Rolf Eike Beer <eike@sf-mail.de> +# Copyright 2011-2015 Rolf Eike Beer <eike@sf-mail.de> # # Distributed under the OSI-approved BSD License (the "License"); # see accompanying file Copyright.txt for details. @@ -51,15 +51,23 @@ # (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}) +if(CMAKE_C_COMPILER_LOADED) + include (CheckIncludeFile) +elseif(CMAKE_CXX_COMPILER_LOADED) + include (CheckIncludeFileCXX) +else() + message(FATAL_ERROR "FindThreads only works if either C or CXX language is enabled") +endif() + # Do we have sproc? if(CMAKE_SYSTEM_NAME MATCHES IRIX AND NOT CMAKE_THREAD_PREFER_PTHREAD) + include (CheckIncludeFiles) CHECK_INCLUDE_FILES("sys/types.h;sys/prctl.h" CMAKE_HAVE_SPROC_H) endif() @@ -83,11 +91,18 @@ macro(_check_pthreads_flag) # 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") + if(CMAKE_C_COMPILER_LOADED) + set(_threads_src ${CMAKE_CURRENT_LIST_DIR}/CheckForPthreads.c) + elseif(CMAKE_CXX_COMPILER_LOADED) + set(_threads_src ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/FindThreads/CheckForPthreads.cxx) + configure_file(${CMAKE_CURRENT_LIST_DIR}/CheckForPthreads.c "${_threads_src}" COPYONLY) + endif() try_run(THREADS_PTHREAD_ARG THREADS_HAVE_PTHREAD_ARG ${CMAKE_BINARY_DIR} - ${CMAKE_CURRENT_LIST_DIR}/CheckForPthreads.c + ${_threads_src} CMAKE_FLAGS -DLINK_LIBRARIES:STRING=-pthread COMPILE_OUTPUT_VARIABLE OUTPUT) + unset(_threads_src) if(THREADS_HAVE_PTHREAD_ARG) if(THREADS_PTHREAD_ARG STREQUAL "2") @@ -120,7 +135,11 @@ if(CMAKE_HAVE_SPROC_H AND NOT CMAKE_THREAD_PREFER_PTHREAD) set(CMAKE_USE_SPROC_INIT 1) else() # Do we have pthreads? - CHECK_INCLUDE_FILES("pthread.h" CMAKE_HAVE_PTHREAD_H) + if(CMAKE_C_COMPILER_LOADED) + CHECK_INCLUDE_FILE("pthread.h" CMAKE_HAVE_PTHREAD_H) + else() + CHECK_INCLUDE_FILE_CXX("pthread.h" CMAKE_HAVE_PTHREAD_H) + endif() if(CMAKE_HAVE_PTHREAD_H) # |