+modest_save_cflags="$CFLAGS"
+modest_save_libs="$LIBS"
+CFLAGS="$MODEST_GSTUFF_CFLAGS"
+LIBS="$MODEST_GSTUFF_LIBS"
+AC_CHECK_DECLS([gtk_widget_tap_and_hold_setup],[],[], [#include <gtk/gtk.h>])
+CFLAGS="$modest_save_cflags"
+LIBS="$modest_save_libs"
+