scheduler: avoid using a poisoned macro

Change the timer overflow interrupt name evaluation order in
base/scheduler to avoid hitting a poisened macro.

Signed-off-by: Gregor Riepl <onitake@gmail.com>

diff --git a/modules/base/scheduler/scheduler.c b/modules/base/scheduler/scheduler.c
index 13716e7..268e1a9 100644 (file)
--- a/modules/base/scheduler/scheduler.c
+++ b/modules/base/scheduler/scheduler.c
@@ -61,11 +61,12 @@ void scheduler_init(void)
 
 
 #ifdef CONFIG_MODULE_SCHEDULER_TIMER0
+#ifndef TIMER0_OVF_vect
 #if defined(SIG_OVERFLOW0)
-SIGNAL(SIG_OVERFLOW0)
-#else
-SIGNAL(TIMER0_OVF_vect)
+#define TIMER0_OVF_vect SIG_OVERFLOW0
+#endif
 #endif
+SIGNAL(TIMER0_OVF_vect)
 {
        scheduler_interrupt();
 }