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# -*- shell-script -*-
#
# Copyright (C) 2015-2017 Mellanox Technologies, Inc.
# 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 (c) 2022 Amazon.com, Inc. or its affiliates. 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],[
OPAL_VAR_SCOPE_PUSH([ompi_check_ucx_happy ompi_check_ucx_CPPFLAGS_save ompi_check_ucx_LDFLAGS_save ompi_check_ucx_LIBS_save])
m4_ifblank([$1], [m4_fatal([First argument to OMPI_CHECK_UCX cannot be blank])])
AC_ARG_WITH([ucx],
[AS_HELP_STRING([--with-ucx(=DIR)],
[Build with Unified Communication X library support])])
AC_ARG_WITH([ucx-libdir],
[AS_HELP_STRING([--with-ucx-libdir=DIR],
[Search for Unified Communication X libraries in DIR])])
OAC_CHECK_PACKAGE([ucx],
[$1],
[ucp/api/ucp.h],
[ucp -luct -lucm -lucs],
[ucp_cleanup],
[ompi_check_ucx_happy="yes"],
[ompi_check_ucx_happy="no"])
ompi_check_ucx_CPPFLAGS_save=${CPPFLAGS}
ompi_check_ucx_LDLAGS_save=${LDFLAGS}
ompi_check_ucx_LIBS_save=${LIBS}
OPAL_FLAGS_APPEND_UNIQ([CPPFLAGS], [${$1_CPPFLAGS}])
OPAL_FLAGS_APPEND_UNIQ([LDFLAGS], [${$1_LDFLAGS}])
OPAL_FLAGS_APPEND_MOVE([LIBS], [${$1_LIBS}])
AS_IF([test "$ompi_check_ucx_happy" = yes],
[AC_CACHE_CHECK([for UCX version header],
[ompi_check_ucx_cv_have_version_header],
[AC_REQUIRE_CPP
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <uct/api/version.h>]],[[]])],
[ompi_check_ucx_cv_have_version_header="yes"],
[ompi_check_ucx_cv_have_version_header="no"])])
AS_IF([test "${ompi_check_ucx_cv_have_version_header}" != "yes"],
[ompi_check_ucx_happy=no])])
AS_IF([test "$ompi_check_ucx_happy" = yes],
[# Turn off UCX version v1.8 due to issue #8321
AC_CACHE_CHECK([UCX version > 1.9.x],
[ompi_check_ucx_cv_have_version_gt_1_9],
[AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
#include <ucp/api/ucp_version.h>
]], [[
#if (UCP_API_MAJOR < 1) || ((UCP_API_MAJOR == 1) && (UCP_API_MINOR < 9))
#error "Version too low"
#endif
]])],
[ompi_check_ucx_cv_have_version_gt_1_9=yes],
[ompi_check_ucx_cv_have_version_gt_1_9=no
ompi_check_ucx_happy=no])])])
AS_IF([test "$ompi_check_ucx_happy" = yes],
[AC_CHECK_DECLS([ucp_tag_send_nbr],
[AC_DEFINE([HAVE_UCP_TAG_SEND_NBR],[1],
[have ucp_tag_send_nbr()])], [],
[#include <ucp/api/ucp.h>])
AC_CHECK_DECLS([ucp_ep_flush_nb, ucp_worker_flush_nb,
ucp_request_check_status, ucp_put_nb, ucp_get_nb,
ucp_put_nbx, ucp_get_nbx, ucp_atomic_op_nbx,
ucp_ep_flush_nbx],
[], [],
[#include <ucp/api/ucp.h>])
AC_CHECK_DECLS([ucm_test_events,
ucm_test_external_events],
[], [],
[#include <ucm/api/ucm.h>])
AC_CHECK_DECLS([UCP_ATOMIC_POST_OP_AND,
UCP_ATOMIC_POST_OP_OR,
UCP_ATOMIC_POST_OP_XOR,
UCP_ATOMIC_FETCH_OP_FAND,
UCP_ATOMIC_FETCH_OP_FOR,
UCP_ATOMIC_FETCH_OP_FXOR,
UCP_PARAM_FIELD_ESTIMATED_NUM_PPN,
UCP_WORKER_FLAG_IGNORE_REQUEST_LEAK,
UCP_OP_ATTR_FLAG_MULTI_SEND,
UCP_MEM_MAP_SYMMETRIC_RKEY,
UCS_MEMORY_TYPE_RDMA],
[], [],
[#include <ucp/api/ucp.h>])
AC_CHECK_DECLS([UCP_WORKER_ATTR_FIELD_ADDRESS_FLAGS],
[AC_DEFINE([HAVE_UCP_WORKER_ADDRESS_FLAGS], [1],
[have worker address attribute])], [],
[#include <ucp/api/ucp.h>])
AC_CHECK_DECLS([UCP_ATTR_FIELD_MEMORY_TYPES],
[AC_DEFINE([HAVE_UCP_ATTR_MEMORY_TYPES], [1],
[have memory types attribute])], [],
[#include <ucp/api/ucp.h>])
AC_CHECK_DECLS([UCP_EP_ATTR_FIELD_TRANSPORTS],
[], [],
[#include <ucp/api/ucp.h>])
AC_CHECK_DECLS([ucp_tag_send_nbx,
ucp_tag_send_sync_nbx,
ucp_tag_recv_nbx,
ucp_rkey_compare],
[], [],
[#include <ucp/api/ucp.h>])
AC_CHECK_TYPES([ucp_request_param_t],
[], [],
[[#include <ucp/api/ucp.h>]])
])
CPPFLAGS=${ompi_check_ucx_CPPFLAGS_save}
LDFLAGS=${ompi_check_ucx_LDLAGS_save}
LIBS=${ompi_check_ucx_LIBS_save}
OPAL_SUMMARY_ADD([Transports], [Open UCX], [], [$ompi_check_ucx_happy])
AS_IF([test "$ompi_check_ucx_happy" = "yes"],
[$2],
[AS_IF([test ! -z "$with_ucx" && test "$with_ucx" != "no"],
[AC_MSG_ERROR([UCX support requested but not found. Aborting])])
$3])
OPAL_VAR_SCOPE_POP
])
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