Building LO 220.127.116.11 --with-system-jpeg and jpeg-9c fails
Dilyan.Palauzov at aegee.org
Tue Jan 22 20:56:46 UTC 2019
what is the usefulness of a test, that behaves differently with different jpeg libraries, but none of the test-outcomes is clearly wrong?
Provided nobody states, that this test has an added value, I propose removing it completely.
Playing with build options costs just too much time and there are other issues (see my other mails) that forces one to try different --with(out)- combinations. So removing this tests makes life simpler and causes no side effects.
On January 22, 2019 5:31:39 PM GMT+01:00, "Caolán McNamara" <caolanm at redhat.com> wrote:
>On Tue, 2019-01-22 at 13:58 +0000, Дилян Палаузов wrote:
>> libjpeg.so can originate from
>> libjpeg-turbo, https://en.wikipedia.org/wiki/Libjpeg#libjpeg-turbo
>> mozjpeg, https://en.wikipedia.org/wiki/Libjpeg#mozjpeg or
>> ijg.org (jpeg-9c)
>> With ./configure --with-system-jpeg, having installed jpeg-9c as
>> /usr/local/lib/libjpeg.so, make fails with
>> I tried with or without --with-system-jpeg and it fails only in the
>> latter case.
>> What exactly is the problem?
>Well, its simply that the test expects
>vcl/qa/cppunit/graphicfilter/data/jpg/fail/crash-1.jpg to fail to load
>and it unexpectedly succeeded in loading.
>All those --with-system-foo options aren't guaranteed to work in all
>combinations. The bundled case is supposed to work, and the others are
>at your own risk, with the major distros typically keeping their own
>working, and libjpeg9 is unpopular as a default distro libjpeg
>Someone who wants to use a system libjpeg-9 would have to investigate
>if it succeeds for a good reason or if its pure luck, e.g. via
>uninitialized data. Running it under valgrind like the trailing debug
>text mentions would probably be good enough to rule out a "bad" success
>You can move it from the "fail" dir to the "indeterminate" if you just
>want to "get on with it"
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