source: lemon-0.x/bootstrap @ 2015:5e51c9eb5e83

#!/bin/bash

quiet=0
function quiet { [[ $quiet == 1 ]]; }

if [[ "$1" == "-q" ]]; then
  quiet=1
  shift
fi

prev=
for option
do
  if test -n "$prev"
  then
    eval "$prev=\$option"
    prev=
    continue
  fi

  optarg=`expr "x$option" : 'x[^=]*=\(.*\)'`

  case $option in

  -amver | --amver)
    prev=amver ;;
  -amver=* | --amver=*)
    amver=$optarg ;;

  -acver | --acver)
    prev=acver ;;
  -acver=* | --acver=*)
    acver=$optarg ;;

  --help | -h)
    cat << EOF
Usage: $0 [OPTION]

Options:
  -h, --help            display this help and exit
      --amver=VERSION   use VERSION version of automake
      --acver=VERSION   use VERSION version of autoconf

Expamle:
  $0 --amver=1.8 --acver=2.59
EOF
    exit 0
    ;;

  *)
    cat << EOF >&2
$0: unrecognized option: $option
Try \`$0 --help' for more information.
EOF
    exit 1
    ;;

  esac
done

automake=automake
aclocal=aclocal
autoconf=autoconf
autoheader=autoheader

if test -n "$amver"
then
  automake=automake-$amver
  aclocal=aclocal-$amver
fi

if test -n "$acver"
then
  autoconf=autoconf-$acver
  autoheader=autoheader-$acver
fi

quiet || echo "Try using 'autoreconf -vi' instead of this."

set -e
quiet || set -x

$aclocal -I m4
(quiet && exec > /dev/null; libtoolize --force --copy)
$autoconf
$autoheader
$automake --add-missing --copy --gnu