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ERR: Reorganize to try to fix the -pthread problem on some systems

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This commit is contained in:
Andy Cedilnik
2003-08-22 09:52:05 -04:00
parent a413160fec
commit 21ec23413e
2 changed files with 55 additions and 34 deletions
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71
Modules/FindThreads.cmake
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@@ -9,14 +9,46 @@
INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/CheckLibraryExists.cmake)
# Do we have sproc?
IF(CMAKE_SYSTEM MATCHES IRIX)
CHECK_INCLUDE_FILE("sys/prctl.h" CMAKE_HAVE_SPROC_H)
ENDIF(CMAKE_SYSTEM MATCHES IRIX)
CHECK_INCLUDE_FILE("pthread.h" CMAKE_HAVE_PTHREAD_H)
IF(CMAKE_HAVE_PTHREAD_H)
IF(NOT CMAKE_HAVE_SPROC_H)
IF(NOT APPLE)
IF(CMAKE_HAVE_SPROC_H)
# We have sproc
SET(CMAKE_USE_SPROC_INIT 1)
ELSE(CMAKE_HAVE_SPROC_H)
# Do we have pthreads?
CHECK_INCLUDE_FILE("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)
# 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)
ENDIF(CMAKE_HAVE_PTHREADS_CREATE)
# 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)
ENDIF(CMAKE_HAVE_PTHREAD_CREATE)
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)
ENDIF(CMAKE_HAVE_THR_CREATE)
ENDIF(CMAKE_SYSTEM MATCHES "SunOS.*")
ENDIF(NOT THREADS_HAVE_PTHREAD_ARG)
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
@@ -38,31 +70,14 @@ IF(CMAKE_HAVE_PTHREAD_H)
"Determining if compiler accepts -pthread failed with the following output:\n${OUTPUT}\n\n")
ENDIF(THREADS_HAVE_PTHREAD_ARG)
ENDIF("THREADS_HAVE_PTHREAD_ARG" MATCHES "^THREADS_HAVE_PTHREAD_ARG")
ENDIF(NOT APPLE)
IF(THREADS_HAVE_PTHREAD_ARG)
SET(CMAKE_THREAD_LIBS_INIT "-pthread")
ELSE(THREADS_HAVE_PTHREAD_ARG)
CHECK_LIBRARY_EXISTS(pthreads pthread_create "" CMAKE_HAVE_PTHREADS_CREATE)
IF(CMAKE_HAVE_PTHREADS_CREATE)
SET(CMAKE_THREAD_LIBS_INIT "-lpthreads")
ENDIF(CMAKE_HAVE_PTHREADS_CREATE)
CHECK_LIBRARY_EXISTS(pthread pthread_create "" CMAKE_HAVE_PTHREAD_CREATE)
IF(CMAKE_HAVE_PTHREAD_CREATE)
SET(CMAKE_THREAD_LIBS_INIT "-lpthread")
ENDIF(CMAKE_HAVE_PTHREAD_CREATE)
IF(CMAKE_SYSTEM MATCHES "SunOS.*")
CHECK_LIBRARY_EXISTS(thread thr_create "" CMAKE_HAVE_THR_CREATE)
IF(CMAKE_HAVE_THR_CREATE)
SET(CMAKE_THREAD_LIBS_INIT "-lthread")
ENDIF(CMAKE_HAVE_THR_CREATE)
ENDIF(CMAKE_SYSTEM MATCHES "SunOS.*")
ENDIF(THREADS_HAVE_PTHREAD_ARG)
ENDIF(NOT CMAKE_HAVE_SPROC_H)
ENDIF(CMAKE_HAVE_PTHREAD_H)
IF(CMAKE_HAVE_SPROC_H)
SET(CMAKE_USE_SPROC_INIT 1)
IF(THREADS_HAVE_PTHREAD_ARG)
SET(CMAKE_THREAD_LIBS_INIT "-pthread")
ELSE(THREADS_HAVE_PTHREAD_ARG)
ENDIF(THREADS_HAVE_PTHREAD_ARG)
ENDIF(NOT CMAKE_HAVE_THREADS_LIBRARY)
ENDIF(CMAKE_HAVE_PTHREAD_H)
ENDIF(CMAKE_HAVE_SPROC_H)
IF(CMAKE_THREAD_LIBS_INIT)
SET(CMAKE_USE_PTHREADS_INIT 1)
ENDIF(CMAKE_THREAD_LIBS_INIT)