#!/bin/sh

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

package="jbig2dec"

AUTOMAKE_FLAGS="$AUTOMAKE_FLAGS"

srcdir=`dirname $0`

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

cd "$srcdir"

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/"

	exit 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 "x$USE_OLD" = "xyes" ; then

  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 \

          automake-1.7 automake-1.8 automake-1.9 automake-1.10; 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\

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

else

  AUTOMAKE=automake

  ACLOCAL=aclocal

  AM_VER=`$AUTOMAKE --version | grep "automake (GNU automake)" | sed 's/[^0-9\.]*//g'`

  AM_MAJ=`echo $AM_VER |cut -d. -f1`

  AM_MIN=`echo $AM_VER |cut -d. -f2`

  AM_PAT=`echo $AM_VER |cut -d. -f3`

  AM_NEEDED=`fgrep AUTOMAKE_OPTIONS Makefile.am | $VERSIONGREP`

  AM_MAJOR_REQ=`echo $AM_NEEDED |cut -d. -f1`

  AM_MINOR_REQ=`echo $AM_NEEDED |cut -d. -f2`

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

  if [ $AM_MAJ -lt $AM_MAJOR_REQ -o $AM_MIN -lt $AM_MINOR_REQ ] ; then

    echo

    echo "You must have automake $AM_NEEDED or better 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

fi

# do we need libtool?

if ! test -z `grep -l -s -e PROG_LIBTOOL configure.ac configure.in`; then

  echo -n "Checking for libtoolize... "

  LIBTOOLIZE=

  for lt in glibtoolize libtoolize; do

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

      LIBTOOLIZE=$lt

      echo $lt

      break;

    fi

  done

  if test -z $LIBTOOLIZE; then

        echo

        echo "You must have GNU libtool 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

fi

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

echo "  $ACLOCAL $ACLOCAL_FLAGS"

$ACLOCAL $ACLOCAL_FLAGS

echo "  $LIBTOOLIZE"

$LIBTOOLIZE --copy

echo "  autoheader"

autoheader

echo "  creating config_types.h.in"

cat >config_types.h.in <

/*

   generated header with missing types for the

   jbig2dec program and library. include this

   after config.h, within the HAVE_CONFIG_H

   ifdef

*/

#ifndef HAVE_STDINT_H

#  ifdef JBIG2_REPLACE_STDINT_H

#   include <@JBIG2_STDINT_H@>

#  else

    typedef unsigned @JBIG2_INT32_T@ uint32_t;

    typedef unsigned @JBIG2_INT16_T@ uint16_t;

    typedef unsigned @JBIG2_INT8_T@ uint8_t;

    typedef signed @JBIG2_INT32_T@ int32_t;

    typedef signed @JBIG2_INT16_T@ int16_t;

    typedef signed @JBIG2_INT8_T@ int8_t;

#  endif /* JBIG2_REPLACE_STDINT */

#endif /* HAVE_STDINT_H */

EOF

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

$AUTOMAKE --add-missing --copy $AUTOMAKE_FLAGS

echo "  autoconf"

autoconf

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."

else

	echo "running ./configure $@"

fi

$srcdir/configure "$@" && echo