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openmpi/config/ompi_check_mxm.m4
2016-11-22 15:03:20 -08:00

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dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2001-2011 Mellanox Technologies Ltd. ALL RIGHTS RESERVED.
dnl Copyright (c) 2015 Research Organization for Information Science
dnl and Technology (RIST). All rights reserved.
dnl Copyright (c) 2016 Los Alamos National Security, LLC. All rights
dnl reserved.
dnl Copyright (c) 2016 Cisco Systems, Inc. All rights reserved.
dnl $COPYRIGHT$
dnl
dnl Additional copyrights may follow
dnl
dnl $HEADER$
dnl
# OMPI_CHECK_MXM(prefix, [action-if-found], [action-if-not-found])
# --------------------------------------------------------
# check if MXM 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_MXM],[
if test -z "$ompi_check_mxm_happy" ; then
AC_ARG_WITH([mxm],
[AC_HELP_STRING([--with-mxm(=DIR)],
[Build Mellanox Messaging support, optionally adding
DIR/include and DIR/lib or DIR/lib64 to the search path for headers and libraries])])
AC_ARG_WITH([mxm-libdir],
[AC_HELP_STRING([--with-mxm-libdir=DIR],
[Search for Mellanox MXM libraries in DIR])])
OPAL_CHECK_WITHDIR([mxm-libdir], [$with_mxm_libdir], [libmxm.*])
ompi_check_mxm_$1_save_CPPFLAGS="$CPPFLAGS"
ompi_check_mxm_$1_save_LDFLAGS="$LDFLAGS"
ompi_check_mxm_$1_save_LIBS="$LIBS"
AS_IF([test "$with_mxm" != "no"],
[AS_IF([test ! -z "$with_mxm" && test "$with_mxm" != "yes"],
[
ompi_check_mxm_dir="$with_mxm"
])
AS_IF([test ! -z "$with_mxm_libdir" && test "$with_mxm_libdir" != "yes"],
[ompi_check_mxm_libdir="$with_mxm_libdir"])
OPAL_CHECK_PACKAGE([ompi_check_mxm],
[mxm/api/mxm_api.h],
[mxm],
[mxm_cleanup],
[],
[$ompi_check_mxm_dir],
[$ompi_check_mxm_libdir],
[ompi_check_mxm_happy="yes"],
[ompi_check_mxm_happy="no"])],
[ompi_check_mxm_happy="no"])
CPPFLAGS="$ompi_check_mxm_$1_save_CPPFLAGS"
LDFLAGS="$ompi_check_mxm_$1_save_LDFLAGS"
LIBS="$ompi_check_mxm_$1_save_LIBS"
AC_MSG_CHECKING(for MXM version compatibility)
AC_REQUIRE_CPP
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -I$ompi_check_mxm_dir/include"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <mxm/api/mxm_version.h>]],
[[
#ifndef MXM_VERSION
#error "MXM Version is less than 2.1, please upgrade"
#endif
#
#if MXM_API < MXM_VERSION(2,1)
#error "MXM Version is less than 2.1, please upgrade"
#endif
]])],
[ompi_mxm_version_ok="yes"],
[ompi_mxm_version_ok="no"])
AC_MSG_RESULT([$ompi_mxm_version_ok])
CFLAGS=$old_CFLAGS
AS_IF([test "$ompi_mxm_version_ok" = "no"], [ompi_check_mxm_happy="no"])
OPAL_SUMMARY_ADD([[Transports]],[[Mellanox MXM]],[$1],[$ompi_check_mxm_happy])
fi
AS_IF([test "$ompi_check_mxm_happy" = "yes"],
[$1_LDFLAGS="[$]$1_LDFLAGS $ompi_check_mxm_LDFLAGS"
$1_LIBS="[$]$1_LIBS $ompi_check_mxm_LIBS"
$1_CPPFLAGS="[$]$1_CPPFLAGS $ompi_check_mxm_CPPFLAGS"
$2],
[AS_IF([test ! -z "$with_mxm" && test "$with_mxm" != "no"],
[AC_MSG_ERROR([MXM support requested but not found. Aborting])])
$3])
])