+WITH_GSSAPI=
+AS_IF([test "x$with_gssapi" != xno],
+ [AC_DEFINE([WITH_GSSAPI], [1], [Define if building with GSSAPI support.])])
+
+AC_CHECK_HEADERS([utmpx.h sys/select.h],,,[
+#include <sys/types.h>
+#include <utmp.h>])
+
+# Look for both GTK 1 and GTK 2.
+AM_PATH_GTK([1.2.0], [gtk=1], [gtk=none])
+AM_PATH_GTK_2_0([2.0.0], [gtk=2], [])
+if test "$gtk" = "none"; then
+ all_targets="all-cli"
+else
+ all_targets="all-cli all-gtk"
+fi
+if test "$gtk" = "2"; then
+ ac_save_CFLAGS="$CFLAGS"
+ ac_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $GTK_CFLAGS"
+ LIBS="$GTK_LIBS $LIBS"
+ AC_CHECK_FUNCS([pango_font_family_is_monospace pango_font_map_list_families])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+fi