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openmpi/opal/mca/btl/usnic/configure.m4
Jeff Squyres 21bc9042e1 mtl/ofi: check for FI_LOCAL_COMM+FI_REMOTE_COMM
Make sure to get an RDM provider that can provide both local and
remote communication.  We need this check because some providers could
be selected via RXD or RXM, but can't provide local communication, for
example.

Add OPAL_CHECK_OFI_VERSION_GE() m4 macro to check that the Libfabric
we're building against is >= a target version.  Use this check in two
places:

1. MTL/OFI: Make sure it is >= v1.5, because the FI_LOCAL_COMM /
   FI_REMOTE_COMM constants were introduced in Libfabric API v1.5.
2. BTL/usnic: It already had similar configury to check for Libfabric
   >= v1.1, but the usnic component was checking for >= v1.3.  So
   update the btl/usnic configury to use the new macro and check for
   >= v1.3.

Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
2020-01-13 08:19:53 -08:00

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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) 2004-2005 The Regents of the University of California.
# All rights reserved.
# Copyright (c) 2006 Sandia National Laboratories. All rights
# reserved.
# Copyright (c) 2010-2020 Cisco Systems, Inc. All rights reserved
# Copyright (c) 2017 Los Alamos National Security, LLC. All rights
# reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# MCA_opal_btl_usnic_POST_CONFIG([should_build])
# ------------------------------------------
AC_DEFUN([MCA_opal_btl_usnic_POST_CONFIG], [
AM_CONDITIONAL([OPAL_BTL_USNIC_BUILD_UNIT_TESTS],
[test "$1" -eq 1 && test "X$enable_opal_btl_usnic_unit_tests" = "Xyes"])
])
# MCA_btl_usnic_CONFIG([action-if-can-copalle],
# [action-if-cant-copalle])
# ------------------------------------------------
AC_DEFUN([MCA_opal_btl_usnic_CONFIG],[
AC_CONFIG_FILES([opal/mca/btl/usnic/Makefile])
AC_ARG_WITH([usnic],
[AS_HELP_STRING([--with-usnic],
[If specified, cause an error if usNIC
support cannot be built])])
# If --without-usnic was specified, then gracefully exit.
# Otherwise, do the rest of the config.
AS_IF([test "x$with_usnic" = "xno"],
[AC_MSG_WARN([--without-usnic specified; skipping usnic BTL])
$2],
[_OPAL_BTL_USNIC_DO_CONFIG($1, $2)])
])
AC_DEFUN([_OPAL_BTL_USNIC_DO_CONFIG],[
OPAL_VAR_SCOPE_PUSH([unit_tests])
# see README.test for information about this scheme
AC_ARG_ENABLE([opal-btl-usnic-unit-tests],
[AS_HELP_STRING([--enable-opal-btl-usnic-unit-tests],
[build unit tests for the usnic BTL,
including the test runner program,
opal_btl_usnic_run_tests])])
AS_IF([test "X$enable_opal_btl_usnic_unit_tests" = "Xyes"],
[unit_tests=1
AC_MSG_NOTICE([enabling usnic BTL unit tests])],
[unit_tests=0])
AC_DEFINE_UNQUOTED([OPAL_BTL_USNIC_UNIT_TESTS], [$unit_tests],
[define to 1 if usnic BTL unit tests are enabled, 0 otherwise])
unset unit_tests
# The current logic in btl_usnic_compat.h checks the OPAL version as a
# proxy for the top-level OPAL version. Unfortunately this does the wrong
# thing for other top-level projects that might use the usnic BTL, such as
# ORCM. ORCM's versioning is totally unrelated to OPAL's. As a short term
# workaround, just disqualify ourselves if the OPAL version seems too old.
# In the longer term we should be doing something else, like versioning
# OPAL and OPAL separately.
opal_btl_usnic_happy=yes
AS_IF([test "$OPAL_MAJOR_VERSION" -eq "1" && \
test "$OPAL_MINOR_VERSION" -lt "7"],
[AC_MSG_NOTICE([OPAL version appears to be too old, disabling the usnic BTL])
opal_btl_usnic_happy=no])
# We only want to build on 64 bit Linux.
AS_IF([test "$opal_btl_usnic_happy" = "yes"],
[AC_CHECK_SIZEOF([void *])
AC_MSG_CHECKING([for 64 bit Linux])
case $host_os in
*linux*)
AS_IF([test $ac_cv_sizeof_void_p -eq 8],
[],
[opal_btl_usnic_happy=no])
;;
*)
opal_btl_usnic_happy=no
;;
esac
AC_MSG_RESULT([$opal_btl_usnic_happy])
])
AS_IF([test "$opal_btl_usnic_happy" = "yes"],
[ # The usnic BTL requires OFI libfabric support
OPAL_CHECK_OFI
opal_btl_usnic_happy=$opal_ofi_happy])
# The usnic BTL requires at least OFI libfabric v1.3.
AS_IF([test "$opal_btl_usnic_happy" = "yes"],
[OPAL_CHECK_OFI_VERSION_GE([1,3],
[],
[opal_btl_usnic_happy=no])])
# Make sure we can find the OFI libfabric usnic extensions header
AS_IF([test "$opal_btl_usnic_happy" = "yes" ],
[opal_btl_usnic_CPPFLAGS_save=$CPPFLAGS
CPPFLAGS="$opal_ofi_CPPFLAGS $CPPFLAGS"
AC_CHECK_HEADER([rdma/fi_ext_usnic.h],
[],
[opal_btl_usnic_happy=no])
CPPFLAGS=$opal_btl_usnic_CPPFLAGS_save
])
# All done
AS_IF([test "$opal_btl_usnic_happy" = "yes"],
[$1],
[AS_IF([test "$with_usnic" = "yes"],
[AC_MSG_WARN([--with-usnic was specified, but Cisco usNIC support cannot be built])
AC_MSG_ERROR([Cannot continue])],
[$2])
])
OPAL_SUMMARY_ADD([[Transports]],[[Cisco usNIC]],[[btl_usnic]],[$opal_btl_usnic_happy])
OPAL_VAR_SCOPE_POP
])dnl