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Re: [PATCH v1 07/10] configure: fix check for libzstd
From: |
Alex Bennée |
Subject: |
Re: [PATCH v1 07/10] configure: fix check for libzstd |
Date: |
Thu, 05 Mar 2020 10:09:20 +0000 |
User-agent: |
mu4e 1.3.9; emacs 27.0.90 |
Juan Quintela <address@hidden> writes:
> Alex Bennée <address@hidden> wrote:
>> Alex Bennée <address@hidden> writes:
>>
>>> Fixes: 3a67848134d0
>>> Signed-off-by: Alex Bennée <address@hidden>
>>> ---
>>> configure | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/configure b/configure
>>> index 7b373bc0bb8..caa65f58831 100755
>>> --- a/configure
>>> +++ b/configure
>>> @@ -2464,7 +2464,7 @@ fi
>>> # zstd check
>>>
>>> if test "$zstd" != "no" ; then
>>> - if $pkg_config --exist libzstd ; then
>>> + if $pkg_config --exists libzstd ; then
>
> Hi
>
> several things:
>
> a- I found why I didn't get the error. Fedora pkg-config is really
> "smart":
>
> b- I have tried (with this patch), the following configurations:
> * --enable-zstd
> * --disable-zstd
> with both libzstd-devel installed and not installed. Everything
> worked as expected.
> (BTW, I tested that before submmiting the patch in the first place, I
> thought that I had done all testing needed for such a check).
>
> Can you told me what architecture/distro/os are you using.
It broke on the CI setup - it could be another issue with the ageing
Travis images (Ubuntu 16.04).
>> Dropping this patch as it breaks the build even more!
>>
>> CC migration/block.o
>>
>> /home/travis/build/stsquad/qemu/migration/multifd-zstd.c:24:5: error:
>> unknown type name ‘ZSTD_CStream’
>>
>> ZSTD_CStream *zcs;
>>
>> ^
>
> This is really weird. if you arrive here, that means:
> - you have zstd devel installed (whatever is that called for your
> os/distro/whatever).
Well it detected it:
zstd support yes
>
> - pkg-config has found zstd devel packages and configured them (that
> file depends on CONFiG_ZSTD beoing defined)
>
> - gcc has found <zstd.h> (i.e. it don't give one error about that
> include file not found).
>
> And zstd don't have ZSTD_CStream defined? What is going on here?
> Can you post/show what is on your zstd.h file?
> What zstd library version do you have?
>
> I thought that zstd was a new library, and that we didn't need to check
> for versions. It appears that I was wrong. And no, the include file
> don't show what features are new/old.
Obviously not that new but has changed since it first got introduced.
--
Alex Bennée
- [PATCH v1 02/10] tests/vm: Debug mode shows ssh output., (continued)
- [PATCH v1 02/10] tests/vm: Debug mode shows ssh output., Alex Bennée, 2020/03/02
- [PATCH v1 06/10] travis: enable tools build on OS X, Alex Bennée, 2020/03/02
- [PATCH v1 09/10] tests/acceptance: move @skipUnless decoration to test itself, Alex Bennée, 2020/03/02
- [PATCH v1 08/10] configure: detect and report genisoimage, Alex Bennée, 2020/03/02
- [PATCH v1 07/10] configure: fix check for libzstd, Alex Bennée, 2020/03/02
[PATCH v1 04/10] tests/vm: give wait_ssh() option to wait for root, Alex Bennée, 2020/03/02
[PATCH v1 03/10] tests/vm: increased max timeout for vm boot., Alex Bennée, 2020/03/02
[PATCH v1 05/10] tests/vm: Added gen_cloud_init_iso() to basevm.py, Alex Bennée, 2020/03/02
[PATCH v1 10/10] travis.yml: install python3 numpy and opencv libraries, Alex Bennée, 2020/03/02