- added makefile fragment to automatically compile and install filter modules with the extension

PHP_ARG_WITH(imlib, for Imlib2 support,
  [[  --with-imlib            Include php-imlib extension (Imlib2 support).]])
PHP_ARG_WITH(t1lib, for Imlib2 Type1 font support,
  [[  --with-t1lib[=DIR]      Include Type1 font support in php-imlib.]])

echo "imlib: $PHP_IMLIB"
echo "t1lib: $PHP_T1LIB"

if test "$PHP_IMLIB" != "no"; then

  AC_MSG_CHECKING(for Imlib2 version)

  if test -x $(which imlib2-config); then
    IMLIB2_VERSION=$(imlib2-config --version)
    AC_MSG_RESULT($IMLIB2_VERSION)
    if test "$IMLIB2_VERSION" != "1.0.6"; then
      AC_MSG_WARN(This extension has been tested with Imlib2 version 1.0.6 only)
    fi
    PHP_EVAL_LIBLINE($(imlib2-config --libs), IMLIB_SHARED_LIBADD)
    PHP_EVAL_INCLINE($(imlib2-config --cflags))
    AC_DEFINE(HAVE_IMLIB,1,[ ])
    CPPFLAGS="-DPHP_IMLIB_FILTER_PATH=\"\\\"$EXTENSION_DIR/php_imlib_filters\\\"\" $CPPFLAGS"
  else
    AC_MSG_ERROR(imlib2-config script not found)
  fi

  if test "$PHP_T1LIB" != "no"; then

    for i in $PHP_T1LIB /usr/local /usr; do
      test -f "$i/include/t1lib.h" && IMLIB_T1_DIR=$i && break
    done

    if test -z "$IMLIB_T1_DIR"; then
      AC_MSG_ERROR([Your t1lib distribution is not installed correctly. Please reinstall it.])
    fi

    PHP_CHECK_LIBRARY(t1, T1_LoadFont,
    [
      AC_DEFINE(HAVE_LIBT1,1,[ ])
      PHP_ADD_INCLUDE($IMLIB_T1_DIR/include)
      PHP_ADD_LIBRARY_WITH_PATH(t1, $IMLIB_T1_DIR/lib, IMLIB_SHARED_LIBADD)
    ],[
      AC_MSG_ERROR([Problem with libt1.(a|so). Please check config.log for more information.])
    ],[
      -L$IMLIB_T1_DIR/lib
    ])
  fi
  PHP_SUBST(IMLIB_SHARED_LIBADD)
  PHP_NEW_EXTENSION(imlib, php_imlib.c, $ext_shared)
fi