#!/bin/sh

# Run this to set up the build system: configure, makefiles, etc.

# (based on the version in enlightenment's cvs)

package="vorbis"

ACLOCAL_FLAGS="-I m4"

olddir=`pwd`

srcdir=`dirname $0`

test -z "$srcdir" && srcdir=.

cd "$srcdir"

DIE=0

echo "checking for autoconf... "

(autoconf --version) < /dev/null > /dev/null 2>&1 || {

        echo

        echo "You must have autoconf installed to compile $package."

        echo "Download the appropriate package for your distribution,"

        echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"

        DIE=1

}

VERSIONGREP="sed -e s/.*[^0-9\.]\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/"

VERSIONMKMAJ="sed -e s/\([0-9][0-9]*\)[^0-9].*/\\1/"

VERSIONMKMIN="sed -e s/.*[0-9][0-9]*\.//"

# do we need automake?

if test -r Makefile.am; then

  AM_OPTIONS=`fgrep AUTOMAKE_OPTIONS Makefile.am`

  AM_NEEDED=`echo $AM_OPTIONS | $VERSIONGREP`

  if test x"$AM_NEEDED" = "x$AM_OPTIONS"; then

    AM_NEEDED=""

  fi

  if test -z $AM_NEEDED; then

    echo -n "checking for automake... "

    AUTOMAKE=automake

    ACLOCAL=aclocal

    if ($AUTOMAKE --version < /dev/null > /dev/null 2>&1;; then

      echo "yes"

    else

      echo "no"

      AUTOMAKE=

    fi

  else

    echo -n "checking for automake $AM_NEEDED or later... "

    majneeded=`echo $AM_NEEDED | $VERSIONMKMAJ`

    minneeded=`echo $AM_NEEDED | $VERSIONMKMIN`

    for am in automake-$AM_NEEDED automake$AM_NEEDED \

	automake-1.10 automake-1.9 automake-1.8 automake-1.7 automake; do

      ($am --version < /dev/null > /dev/null 2>&1) || continue

      ver=`$am --version < /dev/null | head -n 1 | $VERSIONGREP`

      maj=`echo $ver | $VERSIONMKMAJ`

      min=`echo $ver | $VERSIONMKMIN`

      if test $maj -eq $majneeded -a $min -ge $minneeded; then

        AUTOMAKE=$am

        echo $AUTOMAKE

        break

      fi

    done

    test -z $AUTOMAKE &&  echo "no"

    echo -n "checking for aclocal $AM_NEEDED or later... "

    for ac in aclocal-$AM_NEEDED aclocal$AM_NEEDED \

	aclocal-1.10 aclocal-1.9 aclocal-1.8 aclocal-1.7 aclocal; do

      ($ac --version < /dev/null > /dev/null 2>&1) || continue

      ver=`$ac --version < /dev/null | head -n 1 | $VERSIONGREP`

      maj=`echo $ver | $VERSIONMKMAJ`

      min=`echo $ver | $VERSIONMKMIN`

      if test $maj -eq $majneeded -a $min -ge $minneeded; then

        ACLOCAL=$ac

        echo $ACLOCAL

        break

      fi

    done

    test -z $ACLOCAL && echo "no"

  fi

  test -z $AUTOMAKE || test -z $ACLOCAL && {

        echo

        echo "You must have automake installed to compile $package."

        echo "Download the appropriate package for your distribution,"

        echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"

        exit 1

  }

fi

echo -n "checking for libtool... "

for LIBTOOLIZE in libtoolize glibtoolize nope; do

  ($LIBTOOLIZE --version) < /dev/null > /dev/null 2>&1 && break

done

if test x$LIBTOOLIZE = xnope; then

  echo "nope."

  LIBTOOLIZE=libtoolize

else

  echo $LIBTOOLIZE

fi

($LIBTOOLIZE --version) < /dev/null > /dev/null 2>&1 || {

	echo

	echo "You must have libtool installed to compile $package."

	echo "Download the appropriate package for your system,"

	echo "or get the source from one of the GNU ftp sites"

	echo "listed in http://www.gnu.org/order/ftp.html"

	DIE=1

}

if test "$DIE" -eq 1; then

        exit 1

fi

if test -z "$*"; then

        echo "I am going to run ./configure with no arguments - if you wish "

        echo "to pass any to it, please specify them on the $0 command line."

fi

echo "Generating configuration files for $package, please wait...."

echo "  $ACLOCAL $ACLOCAL_FLAGS"

$ACLOCAL $ACLOCAL_FLAGS || exit 1

echo "  $LIBTOOLIZE --automake"

$LIBTOOLIZE --automake || exit 1

echo "  autoheader"

autoheader || exit 1

echo "  $AUTOMAKE --add-missing $AUTOMAKE_FLAGS"

$AUTOMAKE --add-missing $AUTOMAKE_FLAGS || exit 1

echo "  autoconf"

autoconf || exit 1

cd $olddir

$srcdir/configure --enable-maintainer-mode "$@" && echo