--- kernel/conftest.sh	2012-06-05 16:24:13.000000000 +0200
+++ kernel/conftest.sh	2012-06-05 16:43:26.000000000 +0200
@@ -512,7 +512,10 @@ 
             # and if it as an 'event' member.
             #
             echo "$CONFTEST_PREAMBLE
-            #include <asm/system.h>
+            #include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)
+#include <asm/system.h>
+#endif
             #include <linux/pm.h>
             void conftest_pm_message_t(pm_message_t state) {
                 pm_message_t *p = &state;