13d86e100b
Continue the reorganization of the configure system. Move files from the main config directory to their appropriate level-specific config directories. Modify the configure system to correctly handle compiler detection, test, and setup so that all things pertaining to opal and orte are done at the lower level, with the ompi configure system only looking at mpi-specific options. Ensure the wrapper compilers for orte and ompi only get built when appropriate. Add support for c++ to the orte wrapper compilers, both script and non-script versions. This commit was SVN r22138.
91 строка
2.5 KiB
Plaintext
91 строка
2.5 KiB
Plaintext
dnl
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dnl Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
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dnl University Research and Technology
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dnl Corporation. All rights reserved.
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dnl Copyright (c) 2004-2005 The University of Tennessee and The University
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dnl of Tennessee Research Foundation. All rights
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dnl reserved.
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dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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dnl University of Stuttgart. All rights reserved.
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dnl Copyright (c) 2004-2005 The Regents of the University of California.
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dnl All rights reserved.
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dnl Copyright (c) 2008 Cisco Systems, Inc. All rights reserved.
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dnl $COPYRIGHT$
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dnl
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dnl Additional copyrights may follow
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dnl
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dnl $HEADER$
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dnl
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AC_DEFUN([OMPI_CHECK_PTHREAD_PIDS],[
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#
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# Arguments: none
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#
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# Dependencies: None
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#
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# Sets:
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# OPAL_THREADS_HAVE_DIFFERENT_PIDS (variable)
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#
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# Test for Linux-like threads in the system. We will need to handle things like
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# getpid() differently in the case of a Linux-like threads model.
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#
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AC_MSG_CHECKING([if threads have different pids (pthreads on linux)])
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CFLAGS_save="$CFLAGS"
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CFLAGS="$CFLAGS $THREAD_CFLAGS"
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CPPFLAGS_save="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $THREAD_CPPFLAGS"
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LDFLAGS_save="$LDFLAGS"
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LDFLAGS="$LDFLAGS $THREAD_LDFLAGS"
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LIBS_save="$LIBS"
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LIBS="$LIBS $THREAD_LIBS"
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AC_TRY_RUN([#include <pthread.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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void *checkpid(void *arg);
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int main() {
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pthread_t thr;
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int pid, *retval;
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pid = getpid();
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pthread_create(&thr, NULL, checkpid, &pid);
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pthread_join(thr, (void **) &retval);
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exit(*retval);
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}
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static int ret;
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void *checkpid(void *arg) {
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int ppid = *((int *) arg);
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if (ppid == getpid())
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ret = 0;
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else
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ret = 1;
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pthread_exit((void *) &ret);
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}],
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[MSG=no OPAL_THREADS_HAVE_DIFFERENT_PIDS=0],
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[MSG=yes OPAL_THREADS_HAVE_DIFFERENT_PIDS=1],
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[case $host in
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*-linux*)
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MSG="cross compiling - assuming yes"
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OPAL_THREADS_HAVE_DIFFERENT_PIDS=1
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;;
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*)
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MSG="cross compiling - assuming no"
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OPAL_THREADS_HAVE_DIFFERENT_PIDS=0
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;;
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esac
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])
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CFLAGS="$CFLAGS_save"
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CPPFLAGS="$CPPFLAGS_save"
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LDFLAGS="$LDFLAGS_save"
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LIBS="$LIBS_save"
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AC_MSG_RESULT([$MSG])
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AC_DEFINE_UNQUOTED(OPAL_THREADS_HAVE_DIFFERENT_PIDS, $OPAL_THREADS_HAVE_DIFFERENT_PIDS)
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#
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# if pthreads is not available, then the system does not have an insane threads
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# model
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#
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unset MSG])dnl
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