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From: Peter Maydell <peter.maydell@linaro.org>
To: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: "Paolo Bonzini" <pbonzini@redhat.com>,
	"Thomas Huth" <thuth@redhat.com>,
	qemu-devel@nongnu.org,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>
Subject: Re: [PULL 15/26] configure, meson: move pthread_setname_np checks to Meson
Date: Mon, 15 Nov 2021 17:25:34 +0000	[thread overview]
Message-ID: <CAFEAcA9Qz03E5aRG3S=LuUEXaMhmndtbxok6FK0+tN8CV2DfQw@mail.gmail.com> (raw)
In-Reply-To: <YZKVuz5VJN6e9zjo@redhat.com>

On Mon, 15 Nov 2021 at 17:16, Daniel P. Berrangé <berrange@redhat.com> wrote:
>
> On Thu, Oct 14, 2021 at 06:29:27PM +0200, Paolo Bonzini wrote:
> > This makes the pthreads check dead in configure, so remove it
> > as well.
>
> This change appears broken
>
> On v6.1.0
>
> $ grep SETNAME_NP build/config-host.h
> #define CONFIG_PTHREAD_SETNAME_NP_W_TID 1
>
> While on git master
>
> $ grep SETNAME_NP build/config-host.h
> #define CONFIG_PTHREAD_SETNAME_NP_WO_TID
> #define CONFIG_PTHREAD_SETNAME_NP_W_TID
>
>
> it shoudn't be possible to have both these configs
> satisfied as they're 2 completely different impls.
>
> In the meson-log.txt we can see both tests passing, but with
> warnings
>
>   /home/berrange/src/virt/qemu/build/meson-private/tmpt191k3q1/testfile.c:9:5: warning: implicit declaration of function 'pthread_setname_np'; did you mean 'pthread_setcanceltype'? [-Wimplicit-function-declaration]
>
> So it isn't actually validating the function parameter
> signature, and then link is succeeding because the linker
> doesn't care about the incompatible function signatures.
>
> Peter meanwhile reports that he gets no pthread_Setname_np
> at all, and his meson-build.log shows -Werror set. This
> causes the missing fnuction signature to cause tests to
> fail in both cases.

More specifically, these tests get run with
"-Werror=implicit-function-declaration" (and this is not
because I've passed any kind of -Werror option in --extra-cflags;
I have passed --enable-werror but that is supposed to be the
default anyway...)

-- PMM


  reply	other threads:[~2021-11-15 17:26 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-14 16:29 [PULL 00/26] Meson changes for 2021-10-14 Paolo Bonzini
2021-10-14 16:29 ` [PULL 01/26] configure: remove --oss-lib Paolo Bonzini
2021-10-14 16:29 ` [PULL 02/26] audio: remove CONFIG_AUDIO_WIN_INT Paolo Bonzini
2021-10-14 16:29 ` [PULL 03/26] configure, meson: move audio driver detection to Meson Paolo Bonzini
2021-11-01 14:32   ` Peter Maydell
2021-10-14 16:29 ` [PULL 04/26] meson: define symbols for all available audio drivers Paolo Bonzini
2021-10-14 16:29 ` [PULL 05/26] configure: add command line options for " Paolo Bonzini
2021-10-14 16:29 ` [PULL 06/26] kconfig: split CONFIG_SPARSE_MEM from fuzzing Paolo Bonzini
2021-10-14 16:29 ` [PULL 07/26] configure, meson: move fuzzing configuration to Meson Paolo Bonzini
2021-10-14 16:29 ` [PULL 08/26] trace: simple: pass trace_file unmodified to config-host.h Paolo Bonzini
2021-10-14 16:29 ` [PULL 09/26] trace: move configuration from configure to Meson Paolo Bonzini
2021-10-14 16:29 ` [PULL 10/26] configure, meson: move CONFIG_HOST_DSOSUF " Paolo Bonzini
2021-10-14 16:29 ` [PULL 11/26] configure, meson: get HOST_WORDS_BIGENDIAN via the machine object Paolo Bonzini
2021-10-14 16:29 ` [PULL 12/26] configure, meson: remove CONFIG_GCOV from config-host.mak Paolo Bonzini
2021-10-14 16:29 ` [PULL 13/26] meson: HAVE_GDB_BIN is not used by C code Paolo Bonzini
2021-10-14 16:29 ` [PULL 14/26] configure, meson: move remaining HAVE_* compiler tests to Meson Paolo Bonzini
2021-10-14 16:29 ` [PULL 15/26] configure, meson: move pthread_setname_np checks " Paolo Bonzini
2021-11-15 17:15   ` Daniel P. Berrangé
2021-11-15 17:25     ` Peter Maydell [this message]
2021-10-14 16:29 ` [PULL 16/26] configure, meson: move libaio check to meson.build Paolo Bonzini
2021-10-14 16:29 ` [PULL 17/26] configure, meson: move vde detection to meson Paolo Bonzini
2021-10-14 16:29 ` [PULL 18/26] configure, meson: move netmap " Paolo Bonzini
2021-10-14 16:29 ` [PULL 19/26] configure, meson: move Spice configure handling " Paolo Bonzini
2021-10-14 16:29 ` [PULL 20/26] configure: remove obsolete Solaris ar check Paolo Bonzini
2021-10-14 16:29 ` [PULL 21/26] configure, meson: move more compiler checks to Meson Paolo Bonzini
2021-11-15 16:36   ` Peter Maydell
2021-11-15 16:42     ` Peter Maydell
2021-11-16  9:29       ` Paolo Bonzini
2021-11-16 13:13       ` Peter Maydell
2021-11-15 16:55     ` Peter Maydell
2021-10-14 16:29 ` [PULL 22/26] configure: remove deprecated --{enable, disable}-git-update Paolo Bonzini
2021-10-14 16:29 ` [PULL 23/26] configure: accept "internal" for --enable-capstone/slirp/fdt Paolo Bonzini
2021-10-14 16:29 ` [PULL 24/26] configure: prepare for auto-generated option parsing Paolo Bonzini
2021-10-14 16:29 ` [PULL 25/26] meson-buildoptions: include list of tracing backends Paolo Bonzini
2021-10-14 16:29 ` [PULL 26/26] configure: automatically parse command line for meson -D options Paolo Bonzini
2021-10-14 19:15 ` [PULL 00/26] Meson changes for 2021-10-14 Richard Henderson

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