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| author | Rolf Eike Beer <eike@sf-mail.de> | 2015-09-22 05:46:56 +0200 |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2015-09-25 10:08:05 -0400 |
| commit | 0b38424cf26fea866c54b75347de0c5c8a8d15d3 (patch) | |
| tree | 550c298e80b7987c21c26254c5f884655c35ba65 /Modules/FindThreads.cmake | |
| parent | 9924a212f671dfcc2b20d2a29da23bc440247f19 (diff) | |
| download | cmake-0b38424cf26fea866c54b75347de0c5c8a8d15d3.tar.gz | |
FindThreads: make the call to try_run() work also if only C++ is enabled
This isn't enough to make the whole module work with only C++ enabled.
Diffstat (limited to 'Modules/FindThreads.cmake')
| -rw-r--r-- | Modules/FindThreads.cmake | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Modules/FindThreads.cmake b/Modules/FindThreads.cmake index 88da7c5109..c6079231f2 100644 --- a/Modules/FindThreads.cmake +++ b/Modules/FindThreads.cmake @@ -91,11 +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") |