diff -urN /usr/ports/devel/avr-gcc/files/patch-gcc-config-avr-driver-avr.c devel/avr-gcc/files/patch-gcc-config-avr-driver-avr.c
--- /usr/ports/devel/avr-gcc/files/patch-gcc-config-avr-driver-avr.c	1970-01-01 01:00:00.000000000 +0100
+++ devel/avr-gcc/files/patch-gcc-config-avr-driver-avr.c	2013-03-14 16:32:02.000000000 +0100
@@ -0,0 +1,38 @@
+--- gcc/config/avr/driver-avr.c.orig	2013-03-14 16:26:36.000000000 +0100
++++ gcc/config/avr/driver-avr.c	2013-03-14 16:28:52.000000000 +0100
+@@ -55,7 +55,7 @@
+ avr_device_to_arch (int argc, const char **argv)
+ {
+   if (0 == argc)
+-    return;
++    return NULL;
+ 
+   avr_set_current_device (argv[0]);
+ 
+@@ -71,7 +71,7 @@
+   char data_section_start_str[16];
+ 
+   if (0 == argc)
+-    return;  
++    return NULL;  
+ 
+   avr_set_current_device (argv[0]);
+   
+@@ -93,7 +93,7 @@
+ avr_device_to_startfiles (int argc, const char **argv)
+ {
+   if (0 == argc)
+-    return;
++    return NULL;
+ 
+   avr_set_current_device (argv[0]);
+ 
+@@ -106,7 +106,7 @@
+ avr_device_to_devicelib (int argc, const char **argv)
+ {
+   if (0 == argc)
+-    return;
++    return NULL;
+ 
+   avr_set_current_device (argv[0]);
+