Re: [Qemu-devel] [PULL 0/5] linux-user patches for 2.2

[Peter Maydell]

On 6 October 2014 15:59, Peter Maydell <address@hidden> wrote:
> Hi. I'm afraid this doesn't compile on my ARM box:
>
> /root/qemu/linux-user/syscall.c: In function ‘do_syscall’:
> /root/qemu/linux-user/syscall.c:9695:9: error: implicit declaration of
> function ‘timerfd_create’ [-Werror=implicit-function-declaration]
> /root/qemu/linux-user/syscall.c:9695:9: error: nested extern
> declaration of ‘timerfd_create’ [-Werror=nested-externs]
> /root/qemu/linux-user/syscall.c:9705:13: error: implicit declaration
> of function ‘timerfd_gettime’ [-Werror=implicit-function-declaration]
> /root/qemu/linux-user/syscall.c:9705:13: error: nested extern
> declaration of ‘timerfd_gettime’ [-Werror=nested-externs]
> /root/qemu/linux-user/syscall.c:9728:13: error: implicit declaration
> of function ‘timerfd_settime’ [-Werror=implicit-function-declaration]
> /root/qemu/linux-user/syscall.c:9728:13: error: nested extern
> declaration of ‘timerfd_settime’ [-Werror=nested-externs]
> cc1: all warnings being treated as errors

Specifically, this is because of the patch which adds
#ifdef CONFIG_TIMERFD ... #endif -- it is doing so
earlier in the file than the include of "qemu-common.h"
which pulls in the file defining the CONFIG_* macros,
so sys/timerfd.h is now never included.

-- PMM