diff -ur grub2/include/grub/powerpc/libgcc.h grub2.powerpc/include/grub/powerpc/libgcc.h
--- grub2/include/grub/powerpc/libgcc.h	2007-07-22 01:32:24.000000000 +0200
+++ grub2.powerpc/include/grub/powerpc/libgcc.h	2007-12-25 11:50:33.000000000 +0100
@@ -25,6 +25,7 @@
 void EXPORT_FUNC (__fixunsdfsi) (void);
 void EXPORT_FUNC (__floatsidf) (void);
 void EXPORT_FUNC (__floatsisf) (void);
+void EXPORT_FUNC (__floatundisf) (void);
 void EXPORT_FUNC (__lshrdi3) (void);
 void EXPORT_FUNC (__make_dp) (void);
 void EXPORT_FUNC (__make_fp) (void);