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Re: [Qemu-devel] [PATCH 4/8] convert libqemuutil to meson

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 4/8] convert libqemuutil to meson
Date: Mon, 29 Jul 2019 11:36:32 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

On 29/07/19 11:32, Peter Maydell wrote:
>> The NetBSD thing could be worked around with a static library but
>> instead those -D options could be added as global C++ flags:
>>     __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS are a workaround to
>>     allow C++ programs to use stdint.h macros specified in the C99
>>     standard that aren't in the C++ standard.
>> Likewise, the -Wno-sign-compare probably should be added to all files
>> for GCC <=4.6, but in fact we don't support anymore GCC 4.6 so it can go
>> away.
> I think it's an indication that the mechanism in general is
> useful. Switching to a new build system worries me if we
> already find that it is lacking flexibility we're using with
> our current build system -- it suggests that there's likely
> to be missing stuff we're going to run into in future as well...

I agree that the mechanism in general is useful and it's worth thinking
twice about the consequences of not having it (see the CET example).
However, in both of these cases it seems to me that the per-file CFLAGS
were used when they should have not.


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