Re: regtests for previous stables failing

[David Kastrup]

Thomas Morley <address@hidden> writes:

> 2017-10-27 23:13 GMT+02:00 David Kastrup <address@hidden>:
>>
>> It's a bit tricky.  Maybe we should cherry-pick the necessary
>> compatibility patches to the stable branches' tips?  If you want to
>> bisect, you'd need to skim them in as well, I guess.
>
> The compability patch is likely:
>
> commit [r2545fab01a601743bb3ecc18942cf14263ccfc6c]
> Author: David Kastrup <address@hidden>
> Date:   Sat May 2 00:35:35 2015 +0200
>
>     Issue 4364: Allow ImageMagick's compare to exit with status 1
>
>     Apparently Ubuntu 15.04 has a version of "compare" that cannot be easily
>     persuaded to return anything but exit status 1 (which indicates
>     dissimilar images but no actual error condition) so we allow this in
>     script/build/output-distance.py in order to keep "make check" from
>     failing.
>
>     This patch is somewhat artless but does the trick.
>
> Putting this one on top of my local copy of remotes/origin/stable/2.18
> makes it work with GNU Make 4.1
>
> Though, not for my 2.16.-branch.
> I get:
> ~/lilypond-git/build (dev/2-16-test)$ make -j5
> /home/hermann/lilypond-git/stepmake/stepmake/po-targets.make:41: ***
> recipe commences before first target.  Stop.
> Not sure what it makes it fail here but succeeds for 2.18.

commit 1ca9814191d16fd3c571d93035247db039254fc1
Author: Julien Rioux <address@hidden>
Date:   Mon Oct 28 21:42:43 2013 +0100

    Build: Fix compilation with GNU make 4.0
    
    Fix "recipes commence before first target" error.
    
    Patch from Thomas Klausner.


-- 
David Kastrup