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# -*- shell-script -*-
#
# Copyright (c) 2009-2017 Cisco Systems, Inc. All rights reserved
# Copyright (c) 2014-2018 Research Organization for Information Science
# and Technology (RIST). All rights reserved.
#
# Copyright (c) 2018 Intel, Inc. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
#
# Priority
#
AC_DEFUN([MCA_opal_hwloc_external_PRIORITY], [90])
#
# Force this component to compile in static-only mode
#
AC_DEFUN([MCA_opal_hwloc_external_COMPILE_MODE], [
AC_MSG_CHECKING([for MCA component $2:$3 compile mode])
$4="static"
AC_MSG_RESULT([$$4])
])
# MCA_hwloc_external_POST_CONFIG()
# ---------------------------------
AC_DEFUN([MCA_opal_hwloc_external_POST_CONFIG],[
OPAL_VAR_SCOPE_PUSH([opal_hwloc_external_basedir])
# If we won, then do all the rest of the setup
AS_IF([test "$1" = "1"],
[AC_DEFINE_UNQUOTED([HWLOC_EXTERNAL_HWLOC_VERSION],
[external],
[Version of hwloc])
# Set this variable so that the framework m4 knows what
# file to include in opal/mca/hwloc/hwloc-internal.h
opal_hwloc_external_basedir=opal/mca/hwloc/external
opal_hwloc_base_include="$opal_hwloc_external_basedir/external.h"
# Add some stuff to CPPFLAGS so that the rest of the source
# tree can be built
CPPFLAGS="$CPPFLAGS $opal_hwloc_external_CPPFLAGS"
LDFLAGS="$LDFLAGS $opal_hwloc_external_LDFLAGS"
LIBS="$LIBS $opal_hwloc_external_LIBS"
# We have to do some extra indirection to get the
# OPAL_HWLOC_WANT_VERBS_HELPER to work. First, the
# opal_hwloc_external_include file (set above), points to a
# file here in this component. That file will include the
# actual external hwloc.h file (via the
# MCA_hwloc_external_header define). And if
# OPAL_HWLOC_WANT_VERBS_HELPER is set, that file will
# include the external hwloc/openfabrics-verbs.h file (via
# the MCA_hwloc_external_openfabrics_helper define).
AS_IF([test "$opal_hwloc_dir" != ""],
[opal_hwloc_include="$opal_hwloc_dir/include/hwloc.h"
opal_hwloc_shmem_include="$opal_hwloc_dir/include/hwloc/shmem.h"
opal_hwloc_openfabrics_include="$opal_hwloc_dir/include/hwloc/openfabrics-verbs.h"],
[opal_hwloc_include="hwloc.h"
opal_hwloc_shmem_include="hwloc/shmem.h"
opal_hwloc_openfabrics_include="hwloc/openfabrics-verbs.h"])
AC_DEFINE_UNQUOTED(MCA_hwloc_external_header,
["$opal_hwloc_include"],
[Location of external hwloc header])
AC_DEFINE_UNQUOTED(MCA_hwloc_external_shmem_header,
["$opal_hwloc_shmem_include"],
[Location of external hwloc shmem header])
AC_DEFINE_UNQUOTED(MCA_hwloc_external_openfabrics_header,
["$opal_hwloc_openfabrics_include"],
[Location of external hwloc OpenFabrics header])
])
OPAL_VAR_SCOPE_POP
])dnl
# MCA_hwloc_external_CONFIG([action-if-found], [action-if-not-found])
# --------------------------------------------------------------------
AC_DEFUN([MCA_opal_hwloc_external_CONFIG],[
AC_CONFIG_FILES([opal/mca/hwloc/external/Makefile])
OPAL_VAR_SCOPE_PUSH([opal_hwloc_external_CPPFLAGS_save opal_hwloc_external_CFLAGS_save opal_hwloc_external_LDFLAGS_save opal_hwloc_external_LIBS_save opal_hwloc_external_tmp opal_hwloc_external_lstopo opal_hwloc_summary_msg])
AC_ARG_WITH([hwloc-libdir],
[AC_HELP_STRING([--with-hwloc-libdir=DIR],
[Search for hwloc libraries in DIR. Should only be used if an external copy of hwloc is being used.])])
# Make sure the user didn't specify --with-hwloc=internal and
# --with-hwloc-libdir=whatever.
AS_IF([test "$with_hwloc" = "internal" && \
test "$with_hwloc_libdir" != ""],
[AC_MSG_WARN([Both --with-hwloc=internal and --with-hwloc-libdir=DIR])
AC_MSG_WARN([were specified, which does not make sense.])
AC_MSG_ERROR([Cannot continue])])
opal_hwloc_summary_msg="internal"
# Try external support if needed
AS_IF([test "$with_hwloc" != "internal"],
[OPAL_CHECK_WITHDIR([hwloc-libdir], [$with_hwloc_libdir],
[libhwloc.*])
AC_MSG_CHECKING([looking for external hwloc in])
AS_IF([test "$with_hwloc" != "external" && \
test "$with_hwloc" != "yes"],
[opal_hwloc_dir=$with_hwloc
AC_MSG_RESULT([($opal_hwloc_dir)])],
[AC_MSG_RESULT([(default search paths)])])
AS_IF([test ! -z "$with_hwloc_libdir" && \
test "$with_hwloc_libdir" != "yes"],
[opal_hwloc_libdir=$with_hwloc_libdir])
opal_hwloc_external_CPPFLAGS_save=$CPPFLAGS
opal_hwloc_external_CFLAGS_save=$CFLAGS
opal_hwloc_external_LDFLAGS_save=$LDFLAGS
opal_hwloc_external_LIBS_save=$LIBS
OPAL_CHECK_PACKAGE([opal_hwloc_external],
[hwloc.h],
[hwloc],
[hwloc_topology_init],
[],
[$opal_hwloc_dir],
[$opal_hwloc_libdir],
[opal_hwloc_external_support=yes],
[opal_hwloc_external_support=no])
AS_IF([test "$opal_hwloc_external_support" = "yes"],
[CPPFLAGS="$CPPFLAGS $opal_hwloc_external_CPPFLAGS"
LDFLAGS="$LDFLAGS $opal_hwloc_external_LDFLAGS"
LIBS="$LIBS $opal_hwloc_external_LIBS"
AC_MSG_CHECKING([if external hwloc version is 1.5 or greater])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <hwloc.h>]],
[[
#if HWLOC_API_VERSION < 0x00010500
#error "hwloc API version is less than 0x00010500"
#endif
]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
opal_hwloc_external_support=no])])
# If external hwloc is not explicitly requested, check external version
# is not lower than the internal one
AS_IF([test "$opal_hwloc_external_support" = "yes"],
[AS_IF([test -z "$with_hwloc" || test "$with_hwloc" = "yes"],
[AC_MSG_CHECKING([if external hwloc version is 2.0 or greater])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <hwloc.h>]],
[[
#if HWLOC_API_VERSION < 0x00020000
#error "hwloc API version is less than 0x00020000"
#endif
]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
opal_hwloc_summary_msg="internal (external hlwoc version is less than internal version 2.0)"
AC_MSG_WARN([external hwloc version is less than internal version 2.0])
AC_MSG_WARN([using internal hwloc])
opal_hwloc_external_support=no])])])
AS_IF([test "$opal_hwloc_external_support" = "yes"],
[AC_DEFINE_UNQUOTED([HWLOC_EXTERNAL_HWLOC_VERSION],
[external],
[Version of hwloc])
AC_CHECK_DECLS([HWLOC_OBJ_OSDEV_COPROC], [], [], [#include <hwloc.h>])
AC_CHECK_FUNCS([hwloc_topology_dup])
# See if the external hwloc supports XML
AC_MSG_CHECKING([if external hwloc supports XML])
AS_IF([test "$opal_hwloc_dir" != ""],
[opal_hwloc_external_lstopo="$opal_hwloc_dir/bin/lstopo"],
[OPAL_WHICH(lstopo, opal_hwloc_external_lstopo)])
opal_hwloc_external_tmp=`$opal_hwloc_external_lstopo --help | $GREP "Supported output file formats" | grep xml`
AS_IF([test "$opal_hwloc_external_tmp" = ""],
[opal_hwloc_external_enable_xml=0
AC_MSG_RESULT([no])],
[opal_hwloc_external_enable_xml=1
AC_MSG_RESULT([yes])])
AC_CHECK_HEADERS([infiniband/verbs.h])
# These flags need to get passed to the wrapper compilers
# (this is unnecessary for the internal/embedded hwloc)
# Finally, add some flags to the wrapper compiler if we're
# building with developer headers so that our headers can
# be found.
hwloc_external_WRAPPER_EXTRA_CPPFLAGS=$opal_hwloc_external_CPPFLAGS
hwloc_external_WRAPPER_EXTRA_LDFLAGS=$opal_hwloc_external_LDFLAGS
hwloc_external_WRAPPER_EXTRA_LIBS=$opal_hwloc_external_LIBS])
CPPFLAGS=$opal_hwloc_external_CPPFLAGS_save
CFLAGS=$opal_hwloc_external_CFLAGS_save
LDFLAGS=$opal_hwloc_external_LDFLAGS_save
LIBS=$opal_hwloc_external_LIBS_save
])
# Done!
AS_IF([test "$opal_hwloc_external_support" = "yes"],
[opal_hwloc_summary_msg="external"
$1],
[# Abort is external hwloc was explicitly requested but cannot be built
AS_IF([test "$with_hwloc" != internal &&
test -n "$with_hwloc"],
[AC_MSG_WARN([external hwloc cannot be built])
AC_MSG_ERROR([Cannot continue.])])
$2])
OPAL_SUMMARY_ADD([[Miscellaneous]],[[HWLOC support]], [], [$opal_hwloc_summary_msg])
AC_SUBST(opal_hwloc_external_LDFLAGS)
AC_SUBST(opal_hwloc_external_LIBS)
OPAL_VAR_SCOPE_POP
])dnl
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