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openmpi/config/ompi_check_mxm.m4
Jeff Squyres b29b852281 Consolidate all the opal/orte/ompi .m4 files back to the top-level
config/ directory.  We split them apart a while ago in the hopes that
it would simplify things, but it didn't really (e.g., because there
were still some ompi/opal .m4 files in the top-level config/
directory, resulting in developer confusion where any given m4 macro
was defined).

So this commit consolidates them back into the top-level directory for
simplicity.  

There's still (at least) two changes that would be nice to make:

 1. Split any generated .m4 file (e.g., autogen-generated .m4 files)
    into a separate directory somewhere so that a top-level -Iconfig/
    will only get our explicitly defined macros, not the autogen stuff
    (e.g., with libevent2019 needing to get the visibility macro, but
    NOT all the autogen-generated inclusion of component configure.m4
    files).
 1. Change configure to be of the form:
{{{
# ...a small amount of preamble/setup...
OPAL_SETUP
m4_ifdef([project_orte], [ORTE_SETUP])
m4_ifdef([project_ompi], [OMPI_SETUP])
# ...a small amount of finishing stuff...
}}}

I doubt we'll ever get anything as clean as that, but that would be
the goal to shoot for.

This commit was SVN r27704.
2012-12-19 00:00:36 +00:00

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# -*- shell-script -*-
#
# Copyright (C) Mellanox Technologies Ltd. 2001-2011. ALL RIGHTS RESERVED.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# 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],[
AC_ARG_WITH([mxm],
[AC_HELP_STRING([--with-mxm(=DIR)],
[Build Mellanox Messaging support])])
OMPI_CHECK_WITHDIR([mxm], [$with_mxm], [include/mxm/api/mxm_api.h])
AC_ARG_WITH([mxm-libdir],
[AC_HELP_STRING([--with-mxm-libdir=DIR],
[Search for Mellanox Messaging libraries in DIR])])
OMPI_CHECK_WITHDIR([mxm-libdir], [$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" -a "$with_mxm" != "yes"],
[ompi_check_mxm_dir="$with_mxm"])
AS_IF([test ! -z "$with_mxm_libdir" -a "$with_mxm_libdir" != "yes"],
[ompi_check_mxm_libdir="$with_mxm_libdir"])
OMPI_CHECK_PACKAGE([$1],
[mxm/api/mxm_api.h],
[mxm],
[mxm_cleanup],
[],
[$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_$1_save_LIBS"
AS_IF([test "$ompi_check_mxm_happy" = "yes"],
[$2],
[AS_IF([test ! -z "$with_mxm" -a "$with_mxm" != "no"],
[AC_MSG_ERROR([MXM support requested but not found. Aborting])])
$3])
])