[AS_HELP_STRING([--without-gui],
[Don't build the PSPPIRE GUI (using GTK+)])],
[], [with_gui=yes])
-AM_CONDITIONAL([HAVE_GUI],
+AM_CONDITIONAL([building_gui],
[test "$with_cairo" != no && test "$with_gui" != "no"])
if test "$with_cairo" != no && test "$with_gui" != "no"; then
PKG_CHECK_MODULES([GTHREAD], [gthread-2.0], [],