dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
dnl                         University Research and Technology
dnl                         Corporation.  All rights reserved.
dnl Copyright (c) 2004-2005 The University of Tennessee and The University
dnl                         of Tennessee Research Foundation.  All rights
dnl                         reserved.
dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
dnl                         University of Stuttgart.  All rights reserved.
dnl Copyright (c) 2004-2005 The Regents of the University of California.
dnl                         All rights reserved.
dnl Copyright (c) 2007-2010 Cisco Systems, Inc.  All rights reserved.
dnl Copyright (c) 2008      Sun Microsystems, Inc.  All rights reserved.
dnl Copyright (c) 2015      Research Organization for Information Science
dnl                         and Technology (RIST). All rights reserved.
dnl $COPYRIGHT$
dnl
dnl Additional copyrights may follow
dnl
dnl $HEADER$
dnl

######################################################################
#
# OMPI_CONTRIB
#
# configure the contributed software components.  Currently fairly
# hard-wired, but someday should be much more like OMPI_MCA.  See
# https://svn.open-mpi.org/trac/ompi/ticket/1162.
#
# USAGE:
#   OMPI_CONTRIB()
#
######################################################################
AC_DEFUN([OMPI_CONTRIB],[
    dnl for OPAL_CONFIGURE_USER env variable
    AC_REQUIRE([OPAL_CONFIGURE_SETUP])

    # Option to not build some of the contributed software packages
    AC_ARG_ENABLE([contrib-no-build],
        AC_HELP_STRING([--enable-contrib-no-build=LIST],
                        [Comma-separated list of contributed package names that will not be built.  Possible values: ompi_mpicontrib_list.  Example: "--enable-contrib-no-build=foo,bar" will disable building both the "foo" and "bar" contributed software packages (default: none -- i.e., build all possible contrib packages)]))

    # Parse the list to see what we should not build
    opal_show_subtitle "Configuring contributed software packages"
    AC_MSG_CHECKING([which contributed software packages should be disabled])
    if test "$enable_contrib_no_build" = "yes"; then
        AC_MSG_RESULT([yes])
        AC_MSG_ERROR([*** The enable-contrib-no-build flag requires an explicit list
*** of packages to not build.  For example, --enable-contrib-no-build=libompitrace])
    else
        ifs_save="$IFS"
        IFS="${IFS}$PATH_SEPARATOR,"
        msg=
        for item in $enable_contrib_no_build; do
            str="`echo DISABLE_contrib_${item}=1 | sed s/-/_/g`"
            eval $str
            msg="$item $msg"
        done
        IFS="$ifs_save"
    fi
    AC_MSG_RESULT([$msg])
    unset msg

    # List of contrib subdirs to traverse into
    OMPI_CONTRIB_SUBDIRS=
    OMPI_CONTRIB_DIST_SUBDIRS=
    OMPI_MPI_CONTRIBS=

    # Cycle through each of the software packages and
    # configure them if not disabled.
    m4_foreach(software, [ompi_mpicontrib_list],
              [_OMPI_CONTRIB_CONFIGURE(software)])

    # Setup the top-level glue
    AC_DEFINE_UNQUOTED([OMPI_MPI_CONTRIBS], ["$OMPI_MPI_CONTRIBS"],
                       [Contributed software packages built with Open MPI])
    AC_SUBST(OMPI_CONTRIB_SUBDIRS)
    AC_SUBST(OMPI_CONTRIB_DIST_SUBDIRS)
])dnl


######################################################################
#
# _OMPI_CONTRIB_SOFTWARE
#
# Setup a specific contributed software package.  This is a subroutine
# because the work to setup each package is essentially the same.
# Currently assumes that there is a configure.m4 file in the
# contributed software directory.  May someday be expanded to handle
# other things.
#
# USAGE:
#   _OMPI_CONTRIB_SOFTARE([package_name])
#
######################################################################
AC_DEFUN([_OMPI_CONTRIB_CONFIGURE],[

    opal_show_subsubsubtitle "$1 (m4 configuration macro)"

    # Put in a convenient enable/disable switch (it's a little more
    # user friendly than
    # --enable-contrib-no-build=<comma_delimited_list>, although each
    # works just as well as the other).
    AC_ARG_ENABLE([$1],
            [AS_HELP_STRING([--disable-$1],
                            [disable support for contributed package $1 (default: enabled)])])
    AS_IF([test "x$enable_$1" = xno], [DISABLE_contrib_$1=yes])

    OMPI_CONTRIB_HAPPY=0
    if test "$DISABLE_contrib_$1" = "" && test "$DISABLE_contrib_all" = ""; then
        OMPI_contrib_$1_CONFIG([OMPI_CONTRIB_HAPPY=1], [])
        AC_MSG_CHECKING([if contributed component $1 can compile])
        if test "$OMPI_CONTRIB_HAPPY" = "1"; then
            OMPI_CONTRIB_SUBDIRS="$OMPI_CONTRIB_SUBDIRS contrib/$1"
            OMPI_CONTRIB_DIST_SUBDIRS="$OMPI_CONTRIB_DIST_SUBDIRS contrib/$1"
            if test "$OMPI_MPI_CONTRIBS" = ""; then
                OMPI_MPI_CONTRIBS=$1
            else
                OMPI_MPI_CONTRIBS="$1, $OMPI_MPI_CONTRIBS"
            fi
            AC_MSG_RESULT([yes])
        else
            AC_MSG_RESULT([no])

            # If this component was requested via command line switch, then abort.
            if test "x$enable_$1" = xyes ; then
                AC_MSG_WARN([Contributed component "$1" failed to configure properly])
                AC_MSG_WARN([This component was requested via command line switch])
                AC_MSG_ERROR([Cannot continue])
            fi
        fi
    else
        AC_MSG_NOTICE([disabled via command line switch])
    fi
    AC_DEFINE_UNQUOTED(OMPI_ENABLE_CONTRIB_$1, [$OMPI_CONTRIB_HAPPY],
                       [Enable contributed software package $1])
    unset OMPI_CONTRIB_HAPPY
])dnl