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Re: [Qemu-devel] build failure on x86, any suggestions?
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] build failure on x86, any suggestions? |
Date: |
Sat, 15 Mar 2008 20:45:08 +0100 |
User-agent: |
Thunderbird 2.0.0.6 (X11/20070801) |
Peter Volkov wrote:
> В Сбт, 15/03/2008 в 14:20 +0000, Paul Brook пишет:
>
>> On Saturday 15 March 2008, Peter Volkov wrote:
>>
>>> Hello.
>>>
>>> I just wanted to point developers attention to the following bug:
>>> bugs.gentoo.org/212351 , comment #11 and further. The problem is that
>>> qemu does not compile any more on x86. I've tried recent snapshot
>>> (2008-03-15_05) and the problem persist there.
>>>
>> You're almost certainly using gcc4.x. Don't do that.
>>
>
> Paul, thank you for you answer. I do have gcc-4 installed on my system
> but I'm sure that I'm using gcc-3.4:
>
>
>> gcc --version
>>
> gcc (GCC) 3.4.6 (Gentoo 3.4.6-r2 p1.5, ssp-3.4.6-1.0, pie-8.7.10)
>
> As I read FAQ this version should be supported. I've tried to build gcc
> without patches (ssp, pie, C++ support and some gentoo specific patches)
> but qemu build process still fails at the same place...
>
>
>> IIRC gentoo already has a big pile hacks for this. This kind of breakage is
>> exactly why those hacks haven't been merged into cvs. They're papering over
>> the problem rather than fixing it, so you should expect them to need
>> constant
>> maintenance.
>>
>
> Sorry, but what hacks are you talking about? The only hack I'm aware
> about is that all system is build with newer compiler while to build
> qemu I have to install old gcc.
>
>
>> As mentioned several times on this recently on this list, the proper fix is
>> to
>> finish the TCG conversion. That will happen "when it's done".
>>
>
> Eh, I saw you talking about this and I'm aware that this will definitely
> take time. That's why I asked for suggestion...
>
>
For the time being you could try the appended patch. It makes x86 on x86
slower though, but should enable you to have a working build at all. I
am not 100% sure if it actually does help in your case though.
Alex
--- a/target-i386/op.c
+++ b/target-i386/op.c
@@ -18,7 +18,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define ASM_SOFTMMU
+//#define ASM_SOFTMMU
#include "exec.h"
/* n must be a constant to be efficient */
- [Qemu-devel] build failure on x86, any suggestions?, Peter Volkov, 2008/03/15
- Re: [Qemu-devel] build failure on x86, any suggestions?, Paul Brook, 2008/03/15
- Re: [Qemu-devel] build failure on x86, any suggestions?, Peter Volkov, 2008/03/15
- Message not available
- Message not available
- Re: [Qemu-devel] build failure on x86, any suggestions?, Peter Volkov, 2008/03/16
- Re: [Qemu-devel] build failure on x86, any suggestions?, Blue Swirl, 2008/03/16
- Re: [Qemu-devel] build failure on x86, any suggestions?, C.W. Betts, 2008/03/19
Re: [Qemu-devel] build failure on x86, any suggestions?, Stefan Weil, 2008/03/15
Re: [Qemu-devel] build failure on x86, any suggestions?, Blue Swirl, 2008/03/15