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

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# -*- shell-script -*-
#
# Copyright (C) 2015 Mellanox Technologies Ltd. ALL RIGHTS RESERVED.
# Copyright (c) 2015 Research Organization for Information Science
# and Technology (RIST). All rights reserved.
# Copyright (c) 2016 Los Alamos National Security, LLC. All rights
# reserved.
# Copyright (c) 2016 Cisco Systems, Inc. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# OMPI_CHECK_UCX(prefix, [action-if-found], [action-if-not-found])
# --------------------------------------------------------
# check if UCX 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_UCX],[
if test -z "$ompi_check_ucx_happy" ; then
AC_ARG_WITH([ucx],
[AC_HELP_STRING([--with-ucx(=DIR)],
[Build with Unified Communication X library support])])
OPAL_CHECK_WITHDIR([ucx], [$with_ucx], [include/ucp/api/ucp.h])
AC_ARG_WITH([ucx-libdir],
[AC_HELP_STRING([--with-ucx-libdir=DIR],
[Search for Unified Communication X libraries in DIR])])
OPAL_CHECK_WITHDIR([ucx-libdir], [$with_ucx_libdir], [libucp.*])
ompi_check_ucx_$1_save_CPPFLAGS="$CPPFLAGS"
ompi_check_ucx_$1_save_LDFLAGS="$LDFLAGS"
ompi_check_ucx_$1_save_LIBS="$LIBS"
AS_IF([test "$with_ucx" != "no"],
[AS_IF([test ! -z "$with_ucx" && test "$with_ucx" != "yes"],
[
ompi_check_ucx_dir="$with_ucx"
ompi_check_ucx_libdir="$with_ucx/lib"
])
AS_IF([test ! -z "$with_ucx_libdir" && test "$with_ucx_libdir" != "yes"],
[ompi_check_ucx_libdir="$with_ucx_libdir"])
ompi_check_ucx_extra_libs="-L$ompi_check_ucx_libdir"
OPAL_CHECK_PACKAGE([ompi_check_ucx],
[ucp/api/ucp.h],
[ucp],
[ucp_cleanup],
[$ompi_check_ucx_extra_libs],
[$ompi_check_ucx_dir],
[$ompi_check_ucx_libdir],
[ompi_check_ucx_happy="yes"],
[ompi_check_ucx_happy="no"])],
[ompi_check_ucx_happy="no"])
CPPFLAGS="$ompi_check_ucx_$1_save_CPPFLAGS"
LDFLAGS="$ompi_check_ucx_$1_save_LDFLAGS"
LIBS="$ompi_check_ucx_$1_save_LIBS"
AC_MSG_CHECKING(for UCX version compatibility)
AC_REQUIRE_CPP
old_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$ompi_check_ucx_dir/include"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <uct/api/version.h>]],
[[
]])],
[ompi_ucx_version_ok="yes"],
[ompi_ucx_version_ok="no"])
AC_MSG_RESULT([$ompi_ucx_version_ok])
CPPFLAGS=$old_CPPFLAGS
AS_IF([test "$ompi_ucx_version_ok" = "no"], [ompi_check_ucx_happy="no"])
OPAL_SUMMARY_ADD([[Transports]],[[Open UCX]],[$1],[$ompi_check_ucx_happy])
fi
AS_IF([test "$ompi_check_ucx_happy" = "yes"],
[$1_CPPFLAGS="[$]$1_CPPFLAGS $ompi_check_ucx_CPPFLAGS"
$1_LDFLAGS="[$]$1_LDFLAGS $ompi_check_ucx_LDFLAGS"
$1_LIBS="[$]$1_LIBS $ompi_check_ucx_LIBS"
$2],
[AS_IF([test ! -z "$with_ucx" && test "$with_ucx" != "no"],
[AC_MSG_ERROR([UCX support requested but not found. Aborting])])
$3])
])