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# -*- shell-script ; indent-tabs-mode:nil -*-
#
# 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) 2009-2020 Cisco Systems, Inc. All rights reserved
# Copyright (c) 2011-2014 Los Alamos National Security, LLC. All rights
# reserved.
# Copyright (c) 2014-2020 Intel, Inc. All rights reserved.
# Copyright (c) 2014-2019 Research Organization for Information Science
# and Technology (RIST). All rights reserved.
# Copyright (c) 2016 IBM Corporation. All rights reserved.
# Copyright (c) 2021-2025 Nanook Consulting All rights reserved.
# Copyright (c) 2021-2022 Amazon.com, Inc. or its affiliates.
# All Rights reserved.
# Copyright (c) 2023 Jeffrey M. Squyres. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
dnl $1 is the base cap name (i.e., what comes after "PMIX_CAP_")
dnl $2 is the action if happy
dnl $3 is the action if not happy
AC_DEFUN([PRTE_CHECK_PMIX_CAP],[
AC_PREPROC_IFELSE(
[AC_LANG_PROGRAM([#include <pmix_version.h>],
[#if !defined(PMIX_CAPABILITIES)
#error This PMIx does not have any capability flags
#endif
#if !defined(PMIX_CAP_$1)
#error This PMIx does not have the PMIX_CAP_$1 capability flag at all
#endif
#if (PMIX_CAPABILITIES & PMIX_CAP_$1) == 0
#error This PMIx does not have the PMIX_CAP_$1 capability flag set
#endif
]
)
],
[AC_MSG_RESULT([found])
$2],
[AC_MSG_RESULT([not found])
$3])
])
AC_DEFUN([PRTE_CHECK_PMIX],[
PRTE_VAR_SCOPE_PUSH([prte_external_pmix_save_CPPFLAGS prte_pmix_support found_pmixcc])
AC_ARG_WITH([pmix],
[AS_HELP_STRING([--with-pmix(=DIR)],
[Where to find PMIx support, optionally adding DIR to the search path])])
AC_ARG_WITH([pmix-libdir],
[AS_HELP_STRING([--with-pmix-libdir=DIR],
[Look for libpmix in the given directory DIR, DIR/lib or DIR/lib64])])
AC_ARG_WITH([pmix-extra-libs],
[AS_HELP_STRING([--with-pmix-extra-libs=LIBS],
[Add LIBS as dependencies of pmix])])
AC_ARG_ENABLE([pmix-lib-checks],
[AS_HELP_STRING([--disable-pmix-lib-checks],
[If --disable-pmix-lib-checks is specified, configure will assume that -lpmix is available])])
prte_pmix_support=1
if test "$with_pmix" = "no"; then
AC_MSG_WARN([PRTE requires PMIx support using])
AC_MSG_WARN([an external copy that you supply.])
AC_MSG_ERROR([Cannot continue])
fi
AS_IF([test "$with_pmix_extra_libs" = "yes" -o "$with_pmix_extra_libs" = "no"],
[AC_MSG_ERROR([--with-pmix-extra-libs requires an argument other than yes or no])])
AS_IF([test "$enable_pmix_lib_checks" != "no"],
[dnl Need to explicitly enable wrapper compiler to get the dependent libraries
dnl when pkg-config is not available.
pmix_USE_WRAPPER_COMPILER=1
OAC_CHECK_PACKAGE([pmix],
[prte_pmix],
[pmix.h],
[pmix $with_pmix_extra_libs],
[PMIx_Init],
[],
[prte_pmix_support=0])],
[PRTE_FLAGS_APPEND_UNIQ([PRTE_FINAL_LIBS], [$with_pmix_extra_libs])])
AS_IF([test $prte_pmix_support -eq 0],
[AC_MSG_WARN([PRRTE requires PMIx support using an external copy that you supply.])
AC_MSG_ERROR([Cannot continue.])])
prte_external_pmix_save_CPPFLAGS=$CPPFLAGS
PRTE_FLAGS_PREPEND_UNIQ(CPPFLAGS, $prte_pmix_CPPFLAGS)
# if the version file exists, then we need to parse it to find
# the actual release series
# NOTE: We have already read PRRTE's VERSION file, so we can use
# $pmix_min_version.
prte_pmix_min_num_version=PRTE_PMIX_NUMERIC_MIN_VERSION
prte_pmix_min_version=PRTE_PMIX_MIN_VERSION
AC_MSG_CHECKING([version at or above v$prte_pmix_min_version])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
#include <pmix_version.h>
#if (PMIX_NUMERIC_VERSION < $prte_pmix_min_num_version)
#error "not version $prte_pmix_min_num_version or above"
#endif
], [])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT(no)
AC_MSG_WARN([PRRTE requires PMIx v$prte_pmix_min_num_version or above.])
AC_MSG_ERROR([Please select a supported version and configure again])])
AC_CHECK_HEADER([src/util/pmix_argv.h], [],
[AC_MSG_ERROR([Could not find PMIx devel headers. Can not continue.])])
# restore the global flags
CPPFLAGS=$prte_external_pmix_save_CPPFLAGS
PRTE_FLAGS_APPEND_UNIQ(PRTE_FINAL_CPPFLAGS, $prte_pmix_CPPFLAGS)
PRTE_FLAGS_APPEND_UNIQ(PRTE_FINAL_LDFLAGS, $prte_pmix_LDFLAGS)
PRTE_FLAGS_APPEND_UNIQ(PRTE_FINAL_LIBS, $prte_pmix_LIBS)
AC_DEFINE_UNQUOTED([PRTE_PMIX_MINIMUM_VERSION],
[$prte_pmix_min_num_version],
[Minimum supported PMIx version])
found_pmixcc=0
PMIXCC_PATH="pmixcc"
AS_IF([test -n "${with_pmix}"],
[PMIXCC_PATH="${with_pmix}/bin/$PMIXCC_PATH"])
PRTE_LOG_COMMAND([pmixcc_showme_results=`$PMIXCC_PATH --showme:version 2>&1`], [found_pmixcc=1])
PRTE_LOG_MSG([pmixcc version: $pmixcc_showme_results])
AS_IF([test $found_pmixcc -eq 0],
[AC_MSG_WARN([Could not find $PMIXCC_PATH])
PMIXCC_PATH=])
AM_CONDITIONAL([PRTE_HAVE_PMIXCC], [test $found_pmixcc -eq 1])
AC_SUBST([PMIXCC_PATH])
# Check for any needed capabilities from the PMIx we found.
#
# Note: if the PMIx we found does not define capability flags,
# then it definitely does not have the capability flags we're
# looking for. Specifically, we cannot use PMIx versions that
# support LTO compatibility as their pmix_framework.h definition
# is incompatible with our infrastructure
prte_external_pmix_save_CPPFLAGS=$CPPFLAGS
prte_external_pmix_save_LDFLAGS=$LDFLAGS
prte_external_pmix_save_LIBS=$LIBS
PRTE_FLAGS_APPEND_UNIQ(CPPFLAGS, $PRTE_FINAL_CPPFLAGS)
PRTE_FLAGS_APPEND_UNIQ(LDFLAGS, $PRTE_FINAL_LDFLAGS)
PRTE_FLAGS_APPEND_UNIQ(LIBS, $PRTE_FINAL_LIBS)
AC_MSG_CHECKING([for LTO compatibility])
PRTE_CHECK_PMIX_CAP([LTO],
[AC_MSG_RESULT([yes])
AC_MSG_WARN([Your PMIx version includes the PMIX_CAP_LTO])
AC_MSG_WARN([capability flag. The infrastructure defined])
AC_MSG_WARN([within it is not compatible with this version])
AC_MSG_WARN([of PRRTE. Please point us at an earlier PMIx])
AC_MSG_ERROR([Cannot proceed.])],
[AC_MSG_RESULT([no])
AC_MSG_WARN([This build will not be compatible with the])
AC_MSG_WARN([LTO optimizer. All LTO-related flags will])
AC_MSG_WARN([be removed from the build])])
# restore the global flags
CPPFLAGS=$prte_external_pmix_save_CPPFLAGS
LDFLAGS=$prte_external_pmix_save_LDFLAGS
LIBS=$prte_external_pmix_save_LIBS
PRTE_SUMMARY_ADD([Required Packages], [PMIx], [], [$prte_pmix_SUMMARY])
PRTE_VAR_SCOPE_POP
])
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