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Re: [Qemu-devel] Can't build without --disable-tcg after upgrading gcc (


From: Richard Henderson
Subject: Re: [Qemu-devel] Can't build without --disable-tcg after upgrading gcc (I think)
Date: Thu, 21 Mar 2019 11:58:10 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

On 3/21/19 11:10 AM, Markus Armbruster wrote:
> I re-ran the failing compile with "-c -o tcg/tcg-op.o" replaced by "-E
> -dD -o tcg/tcg-op.i", and uploaded the resulting tcg-op.i to
> 
>     https://www.pond.sub.org/~armbru/debug/tcg-op.i
> 
> Diffing this against yours might provide clues.

Either you're not building master,

-# 1 "/home/rth/work/qemu/qemu/accel/tcg/tcg-runtime.h" 1
+# 1 "/home/armbru/work/qemu/tcg/tcg-runtime.h" 1

since this file got moved 18 months ago,

commit 61a3f8f6c047620f4d55ade4f5607a9d019984c6
Author: Philippe Mathieu-Daudé <address@hidden>
Date:   Mon Sep 11 18:33:26 2017 -0300

    accel/tcg: move tcg-runtime to accel/tcg/

Or, despite ccache -C, you're getting wrong results.

I myself hate ccache for the oddball effects it has, often not dissimilar to
this, and do not have it installed at all.


r~



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