From: David Gibson addnote in arch/ppc64/boot (a userspace tool, not kernel code) uses exit() without including stdlib.h. arch/ppc64/boot/addnote.c | 1 + 1 files changed, 1 insertion(+) diff -puN arch/ppc64/boot/addnote.c~ppc64-addnote-warning-fix arch/ppc64/boot/addnote.c --- 25/arch/ppc64/boot/addnote.c~ppc64-addnote-warning-fix 2003-05-22 00:12:35.000000000 -0700 +++ 25-akpm/arch/ppc64/boot/addnote.c 2003-05-22 00:12:35.000000000 -0700 @@ -14,6 +14,7 @@ * Usage: addnote zImage */ #include +#include #include #include #include _