TOOLTOOL_DIR=${TOOLTOOL_DIR:-$topsrcdir}

# $TOOLTOOL_DIR/gtk3 comes from tooltool, when the tooltool manifest contains it.
if [ -d "$TOOLTOOL_DIR/gtk3" ]; then
  if [ -z "$PKG_CONFIG_LIBDIR" ]; then
    echo PKG_CONFIG_LIBDIR must be set >&2
    exit 1
  fi
  export PKG_CONFIG_SYSROOT_DIR="$TOOLTOOL_DIR/gtk3"
  export PKG_CONFIG_PATH="$TOOLTOOL_DIR/gtk3/usr/local/lib/pkgconfig"
  PKG_CONFIG="$TOOLTOOL_DIR/gtk3/usr/local/bin/pkg-config"
  export PATH="$TOOLTOOL_DIR/gtk3/usr/local/bin:${PATH}"
  # Ensure cairo, gdk-pixbuf, etc. are not taken from the system installed packages.
  LDFLAGS="-L$TOOLTOOL_DIR/gtk3/usr/local/lib ${LDFLAGS}"
  ac_add_options --enable-default-toolkit=cairo-gtk3

  # Set things up to use Gtk+3 from the tooltool package
  mk_add_options "export FONTCONFIG_PATH=$TOOLTOOL_DIR/gtk3/usr/local/etc/fonts"
  mk_add_options "export PANGO_SYSCONFDIR=$TOOLTOOL_DIR/gtk3/usr/local/etc"
  mk_add_options "export PANGO_LIBDIR=$TOOLTOOL_DIR/gtk3/usr/local/lib"
  mk_add_options "export GDK_PIXBUF_MODULE_FILE=$TOOLTOOL_DIR/gtk3/usr/local/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache"
  mk_add_options "export GDK_PIXBUF_MODULEDIR=$TOOLTOOL_DIR/gtk3/usr/local/lib/gdk-pixbuf-2.0/2.10.0/loaders"
  mk_add_options "export LD_LIBRARY_PATH=$TOOLTOOL_DIR/gtk3/usr/local/lib"

  # Until a tooltool with bug 1188571 landed is available everywhere
  $TOOLTOOL_DIR/gtk3/setup.sh
else
  PKG_CONFIG=pkg-config
  ac_add_options --enable-default-toolkit=cairo-gtk2
fi