#! /bin/sh
### -*-sh-*-
###
### Create links to the repository
###
### (c) 1997 Mark Wooding
###

###----- Licensing notice ---------------------------------------------------
###
### This file is part of the Common Files Distribution (`common').
###
### `Common' is free software; you can redistribute it and/or modify
### it under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 2 of the License, or
### (at your option) any later version.
###
### `Common' is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with `common'; if not, write to the Free Software Foundation,
### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

set -e

###--------------------------------------------------------------------------
### Basic setup stuff.

ego=$(echo "$0" | sed 's:^.*[/\\]::; s:\.*$::')
usage="Usage: $ego"

###--------------------------------------------------------------------------
### Parse command line arguments.

while [ $# -gt 0 ]; do
  case "$1" in
    --help | -h | --usage | -u)
      echo "$usage"
      exit
      ;;
    --)
      shift
      break
      ;;
    -*)
      echo >&2 "$ego: unknown option \`$1'"
      exit 1
      ;;
  esac
  shift
done

if [ $# -ne 0 ]; then
  echo >&2 "$usage"
  exit 1
fi

###--------------------------------------------------------------------------
### Link any strange common files we need.

[ -f .links ] && mklinks

###--------------------------------------------------------------------------
### Do any initial local stuff.

[ -x build-setup ] && ./build-setup start

###--------------------------------------------------------------------------
### Grind through the Autoconf machinery.

configure=
for i in configure.ac configure.in; do
  [ -f $i ] && configure=$i
done
if [ "$configure" ]; then
  grep >/dev/null AM_PROG_LIBTOOL $configure && libtoolize
  find . -name Makefile.m4 -print | while read m4; do
    dir=$(echo $m4 | sed 's:/[^/]*$::')
    (cd $dir &&
     m4 Makefile.m4 >Makefile.am.new &&
     mv Makefile.am.new Makefile.am)
  done
  aclocalargs=
  for i in config m4; do [ -d $i ] && aclocalargs="$aclocalargs -I $i"; done
  aclocal $aclocalargs
  autoconf --force
  if grep >/dev/null 'AC_CONFIG_AUX_DIR' $configure; then
    auxdir=$(
      sed -n 's:^.*AC_CONFIG_AUX_DIR(\[\?\([^])]*\)\]\?).*$:\1:p' $configure)
    mkdir -p $auxdir
  fi
  grep >/dev/null 'A[MC]_CONFIG_HEADER' $configure && autoheader
  [ -f Makefile.am ] && automake -a
fi

###--------------------------------------------------------------------------
### Do any final local stuff.

[ -x build-setup ] && ./build-setup end

###------ That's all, folks -------------------------------------------------