--- xf86-input-synaptics-1.2.2.ebuild	2010-04-10 11:23:47.000000000 +0200
+++ xf86-input-synaptics-1.2.2.ebuild	2010-04-10 11:22:01.000000000 +0200
@@ -32,7 +32,7 @@
 pkg_postinst() {
 	x-modular_pkg_postinst
 	# Just a friendly warning
-	if linux_config_exists \
+	if ! linux_config_exists \
 			|| ! linux_chkconfig_present INPUT_EVDEV; then
 		echo
 		ewarn "This driver requires event interface support in your kernel"