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openmpi/ompi/config/ompi_check_lustre.m4
2012-06-25 20:32:58 +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) 2004-2006 The Regents of the University of California.
# All rights reserved.
# Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
# Copyright (c) 2008-2012 University of Houston. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# OMPI_CHECK_LUSTRE(prefix, [action-if-found], [action-if-not-found])
# --------------------------------------------------------
# check if LUSTRE support can be found. sets prefix_{CPPFLAGS,
# LDFLAGS, LIBS} as needed and runs action-if-found if there is
# support, otherwise executes action-if-not-found
AC_DEFUN([OMPI_CHECK_LUSTRE],[
check_lustre_CPPFLAGS=
check_lustre_LDFLAGS=
check_lustre_LIBS=
check_lustre_save_LIBS="$LIBS"
check_lustre_save_LDFLAGS="$LDFLAGS"
check_lustre_save_CPPFLAGS="$CPPFLAGS"
check_lustre_configuration="none"
ompi_check_lustre_happy="yes"
# Get some configuration information
AC_ARG_WITH([lustre],
[AC_HELP_STRING([--with-lustre(=DIR)],
[Build Lustre support, optionally adding DIR/include, DIR/lib, and DIR/lib64 to the search path for headers and libraries])])
OMPI_CHECK_WITHDIR([lustre], [$with_lustre], [include/lustre/liblustreapi.h])
AC_ARG_WITH([lustre-libs],
[AC_HELP_STRING([--with-lustre-libs=LIBS],
[Libraries to link with for lustre])])
temp_with_lustre="$with_lustre"
AS_IF([test -z "$with_lustre"],
[with_lustre="/usr/"])
temp_with_lustre_libs="$with_lustre_libs"
AS_IF([test -z "$with_lustre_libs"],
[with_lustre_libs="lustre lustreapi"])
# Add correct -I and -L flags
AS_IF([test -d "$with_lustre/include/lustre/"],
[check_lustre_CPPFLAGS="-I$with_lustre/include/lustre/"
$1_CPPFLAGS="$check_lustre_CPPFLAGS"
CPPFLAGS="$CPPFLAGS $check_lustre_CPPFLAGS"],
[ompi_check_lustre_happy="no"])
AS_IF([test "$ompi_check_lustre_happy" = "yes"],
[AS_IF([test -d "$with_lustre/lib64"],
[check_lustre_LDFLAGS="-L$with_lustre/lib64"
$1_LDFLAGS="$check_lustre_LDFLAGS"
LDFLAGS="$LDFLAGS $check_lustre_LDFLAGS"],
[ompi_check_lustre_happy="no"])
],[])
# Try to find all the lustre libraries
AS_IF([test "$ompi_check_lustre_happy" = "yes"],
[ AS_IF([test -n "$with_lustre_libs"]
[for lib in $with_lustre_libs ; do
check_lustre_LIBS="$check_lustre_LIBS -l$lib"
done])
$1_LIBS="$check_lustre_LIBS"
LIBS="$LIBS $check_lustre_LIBS"
# check for lustre
AC_CHECK_HEADERS([liblustreapi.h],
[AC_MSG_CHECKING([if possible to link LUSTRE])
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>
#include <liblustreapi.h>]],
[[llapi_file_create(NULL,0,-1,0, 0);]])],
[AC_MSG_RESULT([yes])
ompi_check_lustre_happy="yes"],
[AC_MSG_RESULT([no])
ompi_check_lustre_happy="no"])],
[ompi_check_lustre_happy="no"])
])
LDFLAGS="$check_lustre_save_LDFLAGS"
CPPFLAGS="$check_lustre_save_CPPFLAGS"
LIBS="$check_lustre_save_LIBS"
AS_IF([test "$ompi_check_lustre_happy" = "yes"],
[$2],
[AS_IF([test ! -z "$with_lustre" -a "$with_lustre" != "no"],
[echo LUSTRE support not found])
$3])
with_lustre="$temp_with_lustre"
with_lustre_libs="$temp_with_lustre_libs"
])