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openmpi/config/opal_check_pmi.m4

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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) 2009-2011 Cisco Systems, Inc. All rights reserved.
# Copyright (c) 2011-2013 Los Alamos National Security, LLC. All rights
# reserved.
# Copyright (c) 2014 Intel, Inc. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# OPAL_CHECK_PMI(prefix, [action-if-found], [action-if-not-found])
# --------------------------------------------------------
AC_DEFUN([OPAL_CHECK_PMI],[
AC_ARG_WITH([pmi],
[AC_HELP_STRING([--with-pmi(=DIR)],
[Build PMI support, optionally adding DIR to the search path (default: no)])],
[], with_pmi=no)
opal_enable_pmi=0
opal_pmi_rpath=
opal_have_pmi2=0
opal_have_pmi1=0
# save flags
opal_check_pmi_$1_save_CPPFLAGS="$CPPFLAGS"
opal_check_pmi_$1_save_LDFLAGS="$LDFLAGS"
opal_check_pmi_$1_save_LIBS="$LIBS"
# set defaults
opal_check_pmi_$1_LDFLAGS=
opal_check_pmi_$1_CPPFLAGS=
opal_check_pmi_$1_LIBS=
AC_MSG_CHECKING([if user requested PMI support])
opal_have_pmi_support=no
AS_IF([test "$with_pmi" = "no"],
[AC_MSG_RESULT([no])
$3],
[AC_MSG_RESULT([yes])
AC_MSG_CHECKING([if PMI or PMI2 headers installed])
# cannot use OMPI_CHECK_PACKAGE as its backend header
# support appends "include" to the path, which won't
# work with slurm :-(
AS_IF([test ! -z "$with_pmi" -a "$with_pmi" != "yes"],
[AS_IF([test -d "$with_pmi/lib64"],
[opal_check_pmi_$1_LDFLAGS="-L$with_pmi/lib64"
opal_pmi_rpath="$with_pmi/lib64"],
[opal_check_pmi_$1_LDFLAGS="-L$with_pmi/lib"
opal_pmi_rpath="$with_pmi/lib"])
# look for required headers - both pmi.h AND/OR pmi2.h
# may be present
AS_IF([test -f "$with_pmi/include/pmi2.h" -o -f "$with_pmi/include/pmi.h"],
[opal_check_pmi_$1_CPPFLAGS="-I$with_pmi/include"
AS_IF([test -f "$with_pmi/include/pmi2.h"],
[AC_MSG_RESULT([PMI2 header found])],
[AC_MSG_RESULT([PMI header found])])],
[AS_IF([test -f "$with_pmi/include/slurm/pmi2.h" -o -f "$with_pmi/include/slurm/pmi.h"],
[opal_check_pmi_$1_CPPFLAGS="-I$with_pmi/include/slurm"
AS_IF([test -f "$with_pmi/include/slurm/pmi2.h"],
[AC_MSG_RESULT([Slurm PMI2 headers found])],
[AC_MSG_RESULT([Slurm PMI headers found])])],
[AC_MSG_RESULT([not found])
AC_MSG_WARN([PMI support requested (via --with-pmi) but neither pmi.h])
AC_MSG_WARN([nor pmi2.h were found under locations:])
AC_MSG_WARN([ $with_pmi/include])
AC_MSG_WARN([ $with_pmi/include/slurm])
AC_MSG_WARN([Specified path: $with_pmi])
AC_MSG_ERROR([Aborting])
$3])])],
[AS_IF([test -f "/usr/include/slurm/pmi2.h" -o -f "/usr/include/slurm/pmi.h"],
[opal_check_pmi_$1_CPPFLAGS="-I/usr/include/slurm"])
AC_MSG_RESULT([in default locations])])
# setup to check libraries
LDFLAGS="$LDFLAGS $opal_check_pmi_$1_LDFLAGS"
CPPFLAGS="$CPPFLAGS $opal_check_pmi_$1_CPPFLAGS"
# reset the included libs so we only link in the
# ones we successfully check
opal_check_pmi_$1_LIBS=
# check the PMI libs - both -lpmi and -lpmi2 may
# be present. If both are present, then we need
# to link against both
LIBS="$opal_check_pmi_$1_save_LIBS -lpmi2"
AC_CHECK_LIB([pmi2], [PMI2_Init],
[opal_have_pmi_support=yes
opal_have_pmi2=1
opal_check_pmi_$1_LIBS="$opal_check_pmi_$1_LIBS -lpmi2"])
# if the pmi2 functions aren't in -lpmi2, they might
# be in -lpmi. Nobody follows a convention here, so
# all we can do is check both
AS_IF([test "$opal_have_pmi2" = "0"],
[LIBS="$opal_check_pmi_$1_save_LIBS -lpmi"
AC_CHECK_LIB([pmi], [PMI2_Init],
[opal_have_pmi_support=yes
opal_have_pmi2=1
opal_have_pmi1=1
opal_check_pmi_$1_LIBS="$opal_check_pmi_$1_LIBS -lpmi"])])
# if we haven't already added -lpmi, look for the pmi1 functions
AS_IF([test "$opal_have_pmi1" = "0"],
[LIBS="$opal_check_pmi_$1_save_LIBS -lpmi"
AC_CHECK_LIB([pmi], [PMI_Init],
[opal_have_pmi_support=yes
opal_check_pmi_$1_LIBS="$opal_check_pmi_$1_LIBS -lpmi"])])
AC_MSG_CHECKING([PMI2 and/or PMI support enabled])
AS_IF([test "$opal_have_pmi_support" = "yes"],
[AC_MSG_RESULT([yes])
opal_enable_pmi=1
$1_LDFLAGS="$opal_check_pmi_$1_LDFLAGS"
$1_CPPFLAGS="$opal_check_pmi_$1_CPPFLAGS"
$1_LIBS="$opal_check_pmi_$1_LIBS -Wl,-rpath=$opal_pmi_rpath"
AC_MSG_CHECKING([final added libraries])
AC_MSG_RESULT([$opal_check_pmi_$1_LIBS])
$2],
[AC_MSG_RESULT([no])
AC_MSG_WARN([PMI support requested (via --with-pmi) but not found.])
AC_MSG_ERROR([Aborting.])
$3])
])
# restore flags
CPPFLAGS="$opal_check_pmi_$1_save_CPPFLAGS"
LDFLAGS="$opal_check_pmi_$1_save_LDFLAGS"
LIBS="$opal_check_pmi_$1_save_LIBS"
AC_DEFINE_UNQUOTED([WANT_PMI_SUPPORT],
[$opal_enable_pmi],
[Whether we want PMI support])
AC_DEFINE_UNQUOTED([WANT_PMI2_SUPPORT],
[$opal_have_pmi2],
[Whether we have PMI2 support])
AM_CONDITIONAL(WANT_PMI_SUPPORT, [test "$opal_enable_pmi" = 1])
AM_CONDITIONAL(WANT_PMI2_SUPPORT, [test "$opal_have_pmi2" = 1])
])