#!/bin/sh
#
# Bootstrap development of mpeg4ip with GNU autoconf, automake, and libtool
# Assumes tools are available on the system
#

# Check that we can find libtool
# Frequently it hasn't been installed
if glibtool --version > /dev/null 2> /dev/null
then 
    libtool=glibtool
    if libtoolize --version > /dev/null
    then
	echo "Found link for libtoolize"
    else 
	echo "Need a link for libtoolize to glibtoolize"
	echo "Please see readme for how to make on OS X"
	exit 1
    fi
elif libtool --version >/dev/null
then libtool=libtool
else echo "libtool does not appear to be installed."
     echo "Please install it and then rerun this script."
     exit 1
fi

for tool in aclocal autoheader autoconf automake
do 
  if $tool --version >/dev/null 
  then :
  else echo "$tool does not appear to be installed."
       echo "Please install it and then rerun this script."
       exit 1
  fi
done
#
# Test for SDL
#
target_system=`uname -s`
   if sdl-config --version >/dev/null 2>/dev/null
      then
      echo "Found SDL"
   else
      echo "SDL does not appear to be installed - can't find sdl-config"
      echo "Please install it and rerun this script"
      exit 1
   fi
#
# Test for faac
#
allargs="$@"

if test $target_system = "Linux"; then
    have_faac=no
    if which faac >/dev/null 2>/dev/null; then
	have_faac=yes
    fi

    if test $have_faac = "yes"; then
	# we have lame and faac - see if faac is built with mp4 support
	faac --help >faac_help 2>&1
	sdf=`grep "MP4 support unavailable" faac_help`
	rm -f faac_help
	if test -z "$sdf"; then
	    if which mpeg4ip-config >/dev/null 2>/dev/null; then
		echo "Warning - faac uses libmp4v, but we've detected a version"
		echo "of mpeg4ip.  If you get errors building mp4live, please"
		echo "rebuild faac without mp4v2 support"
	    else
		echo "Error - we have detected a version of faac that has libmp4v2 support"
		echo "and no copy of mpeg4ip-config.  This means faac was built with"
		echo "faad2 and the libraries will be incompatible".
		echo "Please reinstall faac without mp4v2 support"
		exit 1
	    fi
	fi
    fi
fi

set -x

# if src tree is created via cvs export to tar.gz
# then empty directories in the repository are pruned
# this code recreates the empty directories
# if src tree is checked out directly via cvs, this is a no-op
mkdir -p ./config || exit 1

#
# This tries to find all the aclocal files that we need
for dir in /usr/local /usr/contrib /opt/gnome /usr /opt/local
do
   if test -d $dir/share/aclocal -a `which aclocal` != $dir/bin/aclocal
   then
     ACLOCAL_FLAGS="-I $dir/share/aclocal $ACLOCAL_FLAGS"
   fi
done

if test $target_system != "CYGWIN_NT-5.1"; then
ERRCMD=--enable-warns-as-err
else
ERRCMD=
fi

pwd=`pwd`
if test $target_system != "Darwin"; then
if test $target_system != "CYGWIN_NT-5.1"; then
for	dir \
in	$pwd/lib/SDLAudio 
do	cd $dir
  aclocal $ACLOCAL_FLAGS || exit 4
  libtoolize --force
  automake --add-missing --foreign || exit 5
  autoconf || exit 6
done
fi
fi

#cd $pwd/lib/rtp
#aclocal $ACLOCAL_FLAGS || exit 3
#libtoolize --force
#autoheader
#automake --add-missing --foreign || exit 1
#autoconf || exit 1
#cd $pwd

cd $pwd/common/video/iso-mpeg4
aclocal $ACLOCAL_FLAGS || exit 3
libtoolize --force
autoheader
automake --add-missing --foreign || exit 1
autoconf || exit 1

cd $pwd 
# top level - we're using autoheader, which needs to be after aclocal  
if `aclocal $ACLOCAL_FLAGS`; then
  echo
  if grep AM_PATH_GTK_2_0 aclocal.m4; then
    echo
  else
    ACLOCAL_FLAGS="-I $pwd/doc $ACLOCAL_FLAGS"
    aclocal $ACLOCAL_FLAGS
  fi
  if grep AM_PATH_ALSA aclocal.m4; then
     echo
  else
     ACLOCAL_FLAGS="-I $pwd/util $ACLOCAL_FLAGS"
     aclocal $ACLOCAL_FLAGS
  fi
else
  if `aclocal -I $pwd/doc`; then
    ACLOCAL_FLAGS="-I $pwd/doc $ACLOCAL_FLAGS"
  else 
    if `aclocal -I $pwd/util`; then
      ACLOCAL_FLAGS="-I $pwd/util $ACLOCAL_FLAGS"
    else
      aclocal -I $pwd/util -I $pwd/doc
      ACLOCAL_FLAGS="-I $pwd/util -I $pwd/doc $ACLOCAL_FLAGS"
    fi
  fi
fi 

libtoolize --force
autoheader || exit 1
automake --add-missing --foreign || exit 1
autoconf || exit 1
echo "Do not remove this file or you might have to re-bootstrap" > bootstrapped
[ ! -x configure ] || ./configure $ERRCMD $allargs ACLOCAL_AMFLAGS="$ACLOCAL_FLAGS" || exit 1
set +x

if test $target_system = "Linux"; then
   disabled_mp4live=no
   while test $# -gt 0;
     do
     if test $1 = "--disable-server"; then
        disabled_mp4live=yes
     else
        if test $1 = "--disable-mp4live"; then
           disabled_mp4live=yes
        fi
     fi
     shift
   done
   if test $disabled_mp4live = no; then
       sh ./mp4live_encoder_check.sh
   fi

fi
# Now ready to run make
echo
echo "ready to make"