Re: [Qemu-devel] Re: [PATCH 29/47] Use CONFIG_POSIX to simplify Makefile

[Filip Navara <filip.navara@gmail.com>]

On Mon, Aug 3, 2009 at 10:38 AM, Juan Quintela<quintela@redhat.com> wrote:
> "Sebastian Herbszt" <herbszt@gmx.de> wrote:
>> Juan Quintela wrote:
>
> Hi
>
> Thanks for the report, on my next series, I add this patch that fix the problem:
>
>> I think this patch or a related one breaks MinGW/Win32:
>>
>>  CC    posix-aio-compat.o
>> posix-aio-compat.c:14:23: warning: sys/ioctl.h: No such file or directory
>> posix-aio-compat.c: In function `handle_aiocb_ioctl':
>> posix-aio-compat.c:90: warning: implicit declaration of function `ioctl'
>> posix-aio-compat.c: In function `handle_aiocb_rw_linear':
>> posix-aio-compat.c:182: warning: implicit declaration of function `pwrite'
>> posix-aio-compat.c:187: warning: implicit declaration of function `pread'
>> posix-aio-compat.c: In function `aio_thread':
>> posix-aio-compat.c:284: warning: implicit declaration of function `sigfillset'
>> posix-aio-compat.c:285: warning: implicit declaration of function `sigprocmask'
>> posix-aio-compat.c:332: warning: implicit declaration of function `kill'
>> posix-aio-compat.c: In function `qemu_paio_submit':
>> posix-aio-compat.c:367: error: `EINPROGRESS' undeclared (first use in this function)
>> posix-aio-compat.c:367: error: (Each undeclared identifier is reported only once
>> posix-aio-compat.c:367: error: for each function it appears in.)
>> posix-aio-compat.c: In function `qemu_paio_cancel':
>> posix-aio-compat.c:424: error: `ECANCELED' undeclared (first use in this function)
>> posix-aio-compat.c:426: error: `EINPROGRESS' undeclared (first use in this function)
>> make: *** [posix-aio-compat.o] Error 1
>>
>> v0.11.0-rc0-182-g28e738d on gcc version 3.4.5 (mingw32 special)
>>
>> - Sebastian
>
> From 53e6f57abb0534b5f654dd1b18183c18443ecb5b Mon Sep 17 00:00:00 2001
> From: Juan Quintela <quintela@redhat.com>
> Date: Mon, 3 Aug 2009 10:36:09 +0200
> Subject: [PATCH] disable aio with mingw32
>
>
> Signed-off-by: Juan Quintela <quintela@redhat.com>
> ---
>  configure |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/configure b/configure
> index 58a32a7..a25343a 100755
> --- a/configure
> +++ b/configure
> @@ -359,6 +359,7 @@ if test "$mingw32" = "yes" ; then
>   EXESUF=".exe"
>   CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $CFLAGS"
>   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
> +  aio=no
>  fi
>
>  # find source path

I don't think this is the correct way to fix it in long term or at
least the variables have to be renamed to something like
CONFIG_POSIX_AIO / posix_aio. There's no reason why AIO can't be added
to Win32 port and it surely won't use the posix-aio-compat file.

Best regards,
Filip Navara