#!/bin/sh
#
# Copyright (c) 2004-2006 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.
# $COPYRIGHT$
# 
# Additional copyrights may follow
# 
# $HEADER$
#

#
# Version of auto tools that we want
#

AM_TARGET_VERSION=1.9.6
AC_TARGET_VERSION=2.59
LT_TARGET_VERSION=2.1a

#
# First things first -- check that the auto versions that we have are
# the ones that we want.
#

check_gnu_version() {
    prog="$1"
    target="$2"

    ver="`$prog --version | head -n 1 | sed -e's/([^)]*)//g' -e's/[^0-9 .][^ ]* / /g' -e's/ //g'`"
    if test "$ver" != "$target"; then 
        cat <<EOF
ERROR: Program "$prog" does not have the correct/expected version:
       Found: $ver

Expected versions:
Automake: $AM_TARGET_VERSION
Autoconf: $AC_TARGET_VERSION
Libtool:  $LT_TARGET_VERSION

Either change this script to match the found version, or install
the correct version of the tools.
EOF
        exit 1
    fi
}

#
# Subroutine to actually make a tarball
#

make_tarball() {
    #
    # Autogen
    #
    echo "*** Running autogen.sh..."
    ./autogen.sh 2>&1 | tee auto.out
    if test ! "$?" = "0"; then
        echo "Autogen failed.  Aborting"
        exit 1
    fi

    #
    # Configure
    #
    echo "*** Running configure..."
    ./configure --enable-dist 2>&1 | tee config.out
    if test ! "$?" = "0"; then 
        echo "Configure failed.  Aborting"
        exit 1
    fi

    #
    # make tarball
    #
    echo "*** Running make distcheck..."
    save_LD=$LD_LIBRARY_PATH
    LD_LIBRARY_PATH=
    make distcheck 2>&1 | tee dist.out
    if test ! "$?" = "0"; then
        echo "Make dist failed.  Aborting"
        exit 1
    fi
    LD_LIBRARY_PATH=$save_LD

    #
    # move
    #
    echo "*** Moving tarballs..."
    mv openmpi-* ..

    echo "*** All done"
}

#########################################################################
# main
#########################################################################

echo "*** Checking GNU tools versions..."
check_gnu_version automake $AM_TARGET_VERSION
check_gnu_version autoconf $AC_TARGET_VERSION
check_gnu_version libtool $LT_TARGET_VERSION

#
# Verify that we're in a top Open MPI dir
#
echo "*** Checking to ensure in top-level Open MPI directory..."
if test -f VERSION -a -f configure.ac -a -f config/ompi_setup_cc.m4; then
    happy=1
else
    echo "Do not appear to be in an Open MPI top directory.  Abort!"
    exit 1
fi

#
# Do svn up and all that
#
echo "*** Removing old VERSION files..."
find . -name VERSION -exec rm -f {} \; -print

echo "*** Running svn up..."
svn up
if test ! "$?" = "0"; then
    echo "SVN update failed.  Aborting"
    exit 1
fi

#
# Ditch "svn" from all version numbers
#
echo "*** Removing svn version numbers..."
svn_r="r`svnversion .`"
version_files="`find . -name VERSION`"
for file in $version_files; do
    echo " - $file"
    sed -e 's/^want_svn=.*/want_svn=0/' \
        -e 's/^svn_r=.*/'svn_r=$svn_r/ $file > $file.new
    cp -f $file.new $file
    rm $file.new
done

#
# Make 2 tarballs:
#
# - one with the greek
# - one without the greek
#
# unless the user specifically said --greekonly, then only make the
# greek tarball.  Making both tarballs at once allows us to guarantee
# to have two tarballs -- one greek and one not -- that have exactly
# the same SVN r number (as opposed to, for example, running this
# script to make a greek tarball, then running it again to make a
# non-greek tarball -- there is a race condition that someone could
# commit in the meantime and change the SVN r number in the 2nd
# tarball)
#

# First, make greek tarball

echo "*** Making greek tarball"
make_tarball

# Now if ! --greekonly, make the non-greek tarball

if test "$1" != "-greekonly" -a "$1" != "--greekonly"; then
    echo "*** REMOVING ALL GREEK FROM VERSION NUMBERS!!"
    for file in $version_files; do
        echo " - $file"
        sed -e 's/^greek=.*/greek=/' $file > $file.new
        cp -f $file.new $file
        rm $file.new
    done
    echo "Making non-greek tarball"
    make_tarball
fi