Re: GSoC 2020: make hangs when making fonts

[Owen Lamb]

On Mon, Jun 29, 2020 at 2:40 PM Thomas Morley <thomasmorley65@gmail.com>
wrote:

> Am Mo., 29. Juni 2020 um 22:43 Uhr schrieb Owen Lamb <owendlamb@gmail.com
> >:
> >
> > Hi all,
> >
> > On Friday, make started hanging when making the first .pfb font file,
> > displaying no new information after:
> >
> > Making mf/out/feta11.pfb < mf
> > Copyright (c) 2000-2014 by George Williams. See AUTHORS for Contributors.
> >  License GPLv3+: GNU GPL version 3 or later <
> > http://gnu.org/licenses/gpl.html>
> >  with many parts BSD <http://fontforge.org/license.html>. Please read
> > LICENSE.
> >  Based on sources from 20170812-ML-D.
> >  Based on source from git with hash:
> >
> > After ctrl-C'ing the attempt, the following is displayed:
> >
> > ^Cmf2pt1: You'll need to install FontForge if you want feta11.pfb
> > autohinted (not required, but strongly recommended)
> > /home/dev/lilypond-git/build/.././mf/GNUmakefile:36: recipe for target
> > 'out/feta11.log' failed
> > make[1]: *** [out/feta11.log] Interrupt
> > /home/dev/lilypond-git/build/../stepmake/stepmake/generic-targets.make:6:
> > recipe for target 'all' failed
> > make: *** [all] Interrupt
> >
> > At first, I thought it was my latest changes that broke it, but the build
> > fails no matter what commit or branch I checkout. So far, I've tried
> > running make on:
> >
> >    - my own dev/lamb/GSoC-2020,
> >    - a few commits in my work's history,
> >    - the point at which current master and my branch diverge (i.e. what
> >    master was at right before I started work), and
> >    - the current state of master.
> >
> > All of them provide the same error message described above.
> >
> > FontForge is installed and functional, so I'm not sure why mf2pt1 thinks
> I
> > don't have it. I also tried installing a fresh copy of LilyDev in case I
> > somehow messed something up, but that didn't help either. Re-running
> > ../configure from the build folder does not reveal any missing
> > dependencies. I'm at a loss as to what else to do!
> >
> > Any ideas on what might have gone wrong?
> >
> > Thanks in advance,
> > Owen
>
> Hi Owen,
>
> FWIW, I did:
>
> git checkout remotes/origin/dev/lamb/GSoC-2020
> rm -fr build/
> sh autogen.sh --noconfigure
> mkdir -p build/
> cd build/
> ../configure
> make -j3 CPU_COUNT=3
>
> failed with:
>
> /home/hermann/lilypond-git/flower/jsoncpp.cc: In function 'void
> Json::throwRuntimeError(const String&)':
> /home/hermann/lilypond-git/flower/jsoncpp.cc:2620:25: error: exception
> handling disabled, use -fexceptions to enable
>    throw RuntimeError(msg);
>                          ^
>
> A subsequent `make'  from current master i.e.
> 751d453f9172c7dff81d11181158051065badeaf
> succeeded.
>
> Not sure whether this helps...


Ah! Sorry about that. JSON_USE_EXCEPTION should be #defined as 0. I just
pushed a quick fix.

At any rate, for me the lilypond executable builds successfully in all
cases. The issue is only with generating fonts.

--Owen