#!/bin/sh
# Run this to generate the initial makefiles, etc.

PROJECT="libsoftmpeg"
TEST_TYPE=-f
FILE=include/softmpeg.h

LIBTOOL_REQUIRED_VERSION=1.3.4
AUTOCONF_REQUIRED_VERSION=2.13
AUTOMAKE_REQUIRED_VERSION=1.4

M4_FILES=

srcdir=`dirname $0`
test -z "$srcdir" && srcdir=.
ORIGDIR=`pwd`
cd $srcdir

check_version ()
{
    if expr $1 \>= $2 > /dev/null; then
        echo "yes (version $1)"
    else
        echo "Too old (found version $1)!"
        DIE=1
    fi
}

echo "I am testing that you have the required versions of autoconf, automake"
echo "and libtool ..."
echo

DIE=0

echo -n "checking for libtool >= $LIBTOOL_REQUIRED_VERSION ... "
if (libtoolize --version) < /dev/null > /dev/null 2>&1; then
    VER=`libtoolize --version \
         | grep libtool | sed "s/.* \([0-9.]*\)[-a-z0-9]*$/\1/"`
    check_version $VER $LIBTOOL_REQUIRED_VERSION
else
    echo
    echo "  You must have libtool installed to compile $PROJECT."
    echo "  Install the appropriate package for your distribution,"
    echo "  or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
    DIE=1;
fi

echo -n "checking for autoconf >= $AUTOCONF_REQUIRED_VERSION ... "
if (autoconf --version) < /dev/null > /dev/null 2>&1; then
    VER=`autoconf --version \
         | grep -iw autoconf | sed "s/.* \([0-9.]*\)[-a-z0-9]*$/\1/"`
    check_version $VER $AUTOCONF_REQUIRED_VERSION
else
    echo
    echo "  You must have autoconf installed to compile $PROJECT."
    echo "  Download the appropriate package for your distribution,"
    echo "  or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
    DIE=1;
fi

echo -n "checking for automake >= $AUTOMAKE_REQUIRED_VERSION ... "
if (automake --version) < /dev/null > /dev/null 2>&1; then
    VER=`automake --version \
         | grep automake | sed "s/.* \([0-9.]*\)[-a-z0-9]*$/\1/"`
    check_version $VER $AUTOMAKE_REQUIRED_VERSION
else
    echo
    echo "  You must have automake installed to compile $PROJECT."
    echo "  Download the appropriate package for your distribution,"
    echo "  or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
    DIE=1
fi

if test "$DIE" -eq 1; then
    echo
    echo "Please install/upgrade the missing tools and call me again."
    echo        
    exit 1
fi

test $TEST_TYPE $FILE || {
    echo
    echo "You must run this script in the top-level $PROJECT directory."
    echo
    exit 1
}

if test -z "$*"; then
    echo
    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."
    echo
fi

if test -z "$ACLOCAL_FLAGS"; then

    acdir=`aclocal --print-ac-dir`

    for file in $M4_FILES
    do
        if [ ! -f "$acdir/$file" ]; then
            echo
            echo "WARNING: aclocal's directory is $acdir, but..."
            echo "         no file $acdir/$file"
            echo "         You may see fatal macro warnings below."
            echo "         If these files are installed in /some/dir, set the ACLOCAL_FLAGS "
            echo "         environment variable to \"-I /some/dir\", or install"
            echo "         $acdir/$file."
            echo
        fi
    done
fi

if ! aclocal $ACLOCAL_FLAGS; then
   echo "aclocal gave errors. Please fix the error conditions and try again."
   exit 1
fi

libtoolize --force

# optionally feature autoheader
(autoheader --version)  < /dev/null > /dev/null 2>&1 && autoheader

automake --add-missing
autoconf



cd $ORIGDIR

if $srcdir/configure --enable-maintainer-mode "$@"; then
  echo
  echo "Now type 'make' to compile $PROJECT."
else
  echo
  echo "Configure failed or did not finish!"
fi