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openmpi/opal/mca/shmem/mmap/configure.m4
2011-06-21 15:41:57 +00:00

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# -*- shell-script -*-
#
# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
# University Research and Technology
# Corporation. All rights reserved.
# Copyright (c) 2004-2005 The University of Tennessee and The University
# of Tennessee Research Foundation. All rights
# reserved.
# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
# University of Stuttgart. All rights reserved.
# Copyright (c) 2004-2005 The Regents of the University of California.
# All rights reserved.
# Copyright (c) 2010 Cisco Systems, Inc. All rights reserved.
# Copyright (c) 2010-2011 Los Alamos National Security, LLC.
# All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# MCA_opal_shmem_mmap_CONFIG(action-if-can-compile,
# [action-if-cant-compile])
# ------------------------------------------------
AC_DEFUN([MCA_opal_shmem_mmap_CONFIG],[
AC_CONFIG_FILES([opal/mca/shmem/mmap/Makefile])
# do we have the mmap shm stuff?
AC_MSG_CHECKING([if want mmap shared memory support])
AC_ARG_ENABLE(mmap-shmem,
AC_HELP_STRING([--disable-mmap-shmem],
[disable mmap shared memory support (default: enabled)]))
AS_IF([test "$enable_mmap_shmem" = "no"],
[AC_MSG_RESULT([no])
shmem_mmap_sm_build_mmap=0],
[AC_MSG_RESULT([yes])
AC_SEARCH_LIBS([mmap], [c],
[shmem_mmap_sm_build_mmap=1],
[shmem_mmap_sm_build_mmap=0])])
AS_IF([test "$enable_mmap_shmem" = "yes" -a "$shmem_mmap_sm_build_mmap" = "0"],
[AC_MSG_WARN([mmap shared memory support requested but not found])
AC_MSG_ERROR([Cannot continue])])
AS_IF([test "$shmem_mmap_sm_build_mmap" = "1"], [$1], [$2])
AC_DEFINE_UNQUOTED([OPAL_SHMEM_MMAP],
[$shmem_mmap_sm_build_mmap],
[Whether we have shared memory support for mmap or not])
])dnl