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# -*- shell-script -*-
#
# Copyright (c) 2009-2020 Cisco Systems, Inc. All rights reserved
# Copyright (c) 2013 Los Alamos National Security, LLC. All rights reserved.
# Copyright (c) 2013-2020 Intel, Inc. All rights reserved.
# Copyright (c) 2021-2023 Nanook Consulting. All rights reserved.
# Copyright (c) 2021-2022 Amazon.com, Inc. or its affiliates.
# All Rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# MCA_hwloc_CONFIG([action-if-found], [action-if-not-found])
# --------------------------------------------------------------------
AC_DEFUN([PMIX_SETUP_HWLOC],[
PMIX_VAR_SCOPE_PUSH([pmix_hwloc_dir pmix_hwloc_libdir pmix_check_hwloc_save_CPPFLAGS])
AC_ARG_WITH([hwloc],
[AS_HELP_STRING([--with-hwloc=DIR],
[Search for hwloc headers and libraries in DIR ])])
AC_ARG_WITH([hwloc-libdir],
[AS_HELP_STRING([--with-hwloc-libdir=DIR],
[Search for hwloc libraries in DIR ])])
AC_ARG_WITH([hwloc-extra-libs],
[AS_HELP_STRING([--with-hwloc-extra-libs=LIBS],
[Add LIBS as dependencies of hwloc])])
AC_ARG_ENABLE([hwloc-lib-checks],
[AS_HELP_STRING([--disable-hwloc-lib-checks],
[If --disable-hwloc-lib-checks is specified, configure will assume that -lhwloc is available])])
pmix_hwloc_support=1
pmix_check_hwloc_save_CPPFLAGS="$CPPFLAGS"
if test "$with_hwloc" = "no"; then
AC_MSG_WARN([PMIx requires HWLOC topology library support.])
AC_MSG_WARN([Please reconfigure so we can find the library.])
AC_MSG_ERROR([Cannot continue.])
fi
AS_IF([test "$with_hwloc_extra_libs" = "yes" -o "$with_hwloc_extra_libs" = "no"],
[AC_MSG_ERROR([--with-hwloc-extra-libs requires an argument other than yes or no])])
AS_IF([test "$enable_hwloc_lib_checks" != "no"],
[OAC_CHECK_PACKAGE([hwloc],
[pmix_hwloc],
[hwloc.h],
[hwloc $with_hwloc_extra_libs],
[hwloc_topology_init],
[],
[pmix_hwloc_support=0])],
[PMIX_FLAGS_APPEND_UNIQ([PMIX_DELAYED_LIBS], [$with_hwloc_extra_libs])])
if test $pmix_hwloc_support -eq 0; then
AC_MSG_WARN([PMIx requires HWLOC topology library support, but])
AC_MSG_WARN([an adequate version of that library was not found.])
AC_MSG_WARN([Please reconfigure and point to a location where])
AC_MSG_WARN([the HWLOC library can be found.])
AC_MSG_ERROR([Cannot continue.])
fi
# update global flags to test for HWLOC version
PMIX_FLAGS_PREPEND_UNIQ([CPPFLAGS], [$pmix_hwloc_CPPFLAGS])
# NOTE: We have already read PMIx's VERSION file, so we can use
# those values
pmix_hwloc_min_num_version=PMIX_HWLOC_NUMERIC_MIN_VERSION
pmix_hwloc_min_version=PMIX_HWLOC_MIN_VERSION
AC_MSG_CHECKING([version at or above v$pmix_hwloc_min_version])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
#include <hwloc.h>
#if (HWLOC_API_VERSION < $pmix_hwloc_min_num_version)
#error "not version $pmix_hwloc_min_num_version or above"
#endif
], [])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT(no)
AC_MSG_WARN([PMIx requires HWLOC v$pmix_hwloc_min_version or above.])
AC_MSG_ERROR([Please select a supported version and configure again])])
AC_MSG_CHECKING([if hwloc version is at least 2.0])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
#include <hwloc.h>
#if HWLOC_VERSION_MAJOR < 2
#error "hwloc version is less than 2.0"
#endif
], [])],
[AC_MSG_RESULT([yes])
pmix_version_high=1],
[AC_MSG_RESULT([no])
pmix_version_high=0])
AM_CONDITIONAL([PMIX_HWLOC_VERSION_HIGH], [test $pmix_version_high -eq 1])
AC_MSG_CHECKING([if hwloc version is greater than 2.x])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
#include <hwloc.h>
#if (HWLOC_VERSION_MAJOR > 2)
#error "hwloc version is greater than 2.x"
#endif
], [])],
[AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes])
AC_MSG_WARN([This PMIx version does not support HWLOC])
AC_MSG_WARN([versions 3.x or higher. Please direct us])
AC_MSG_WARN([to an HWLOC version in the $pmix_hwloc_min_version-2.x range.])
AC_MSG_ERROR([Cannot continue])])
# reset global flags
CPPFLAGS=$pmix_check_hwloc_save_CPPFLAGS
PMIX_FLAGS_APPEND_UNIQ([CPPFLAGS], [$pmix_hwloc_CPPFLAGS])
PMIX_WRAPPER_FLAGS_ADD([CPPFLAGS], [$pmix_hwloc_CPPFLAGS])
PMIX_FLAGS_APPEND_UNIQ([LDFLAGS], [$pmix_hwloc_LDFLAGS])
PMIX_WRAPPER_FLAGS_ADD([LDFLAGS], [$pmix_hwloc_LDFLAGS])
PMIX_WRAPPER_FLAGS_ADD([STATIC_LDFLAGS], [$pmix_hwloc_STATIC_LDFLAGS])
PMIX_FLAGS_APPEND_UNIQ([PMIX_DELAYED_LIBS], [$pmix_hwloc_LIBS])
PMIX_WRAPPER_FLAGS_ADD([LIBS], [$pmix_hwloc_LIBS])
PMIX_WRAPPER_FLAGS_ADD([STATIC_LIBS], [$pmix_hwloc_STATIC_LIBS])
PMIX_WRAPPER_FLAGS_ADD([PC_MODULES], [$pmix_hwloc_PC_MODULES])
PMIX_SUMMARY_ADD([Required Packages], [HWLOC], [], [$pmix_hwloc_SUMMARY])
PMIX_VAR_SCOPE_POP
])
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