Lilypond documentation build in openSUSE started to fail when gcc 7 was
introduced, a fellow maintainer picked up the patch from this issue and applied
it to lilypond-2.18.2 and it fixed the problem. Strangely enough 2.18.2 worked
with gcc 6
---
** [issues:#4814] grob.cc segfaults on Fedora 24 with gcc6**
**Status:** Verified
**Labels:** Fixed_2_19_46
**Created:** Sat Mar 26, 2016 09:51 PM UTC by Valentin Villenave
**Last Updated:** Mon Jun 05, 2017 05:38 PM UTC
**Owner:** David Kastrup
Greetings,
I’m trying to run LilyPond on Fedora 24 (with GCC 6.0); I’m able to compile it
(with and without guile2 enabled) but when trying to use it, many LilyPond
files trigger a segfault:
~~~~
Parsing...
Interpreting music...
Preprocessing graphical objects...
Program received signal SIGSEGV, Segmentation fault.
0x0000000000496c2f in Grob::get_offset (this=this@entry=0x0,
a=a@entry=X_AXIS) at grob.cc:400
400 if (dim_cache_[a].offset_)
~~~~
Here are the regtests that reproduce the bug (the others compile just fine):
beam-cross-staff-slope.ly
dynamics-alignment-breaker-linebreak.ly
dynamics-alignment-breaker.ly
dynamics-alignment-breaker-order.ly
dynamics-alignment-breaker-subsequent-spanner.ly
dynamics-alignment-no-line-linebreak.ly
dynamics-alignment-no-line.ly
dynamics-context-textspan.ly
dynamics-unbound-hairpin.ly
event-listener-output.ly
fermata-rest-position.ly
font-name.ly
full-measure-rest-fermata.ly
line-arrows.ly
line-style-zigzag-spacing.ly
make-relative.ly
markup-line-thickness.ly
markup-note-grob-style.ly
metronome-mark-broken-bound.ly
minimum-length-after-break.ly
mm-rests2.ly
morgenlied.ly
mozart-hrn-3.ly
multi-measure-rest-center.ly
multi-measure-rest.ly
multi-measure-rest-spacing.ly
multi-measure-rest-text.ly
music-function-end-spanners.ly
offsets.ly
page-turn-page-breaking-repeats.ly
part-combine-a2.ly
part-combine-mmrest-apart.ly
part-combine-mmrest-shared.ly
part-combine-silence-mixed.ly
property-nested-override.ly
quote-cue-during.ly
quote-cue-event-types.ly
repeat-percent-count.ly
repeat-percent-count-visibility.ly
repeat-percent.ly
rest-positioning.ly
scheme-text-spanner.ly
skiptypesetting-multimeasurerest.ly
slur-broken-trend.ly
slur-scoring.ly
slur-tie-control-points.ly
slur-vertical-skylines.ly
spanner-after-line-breaking.ly
staff-mixed-size.ly
stem-direction.ly
stencil-scale.ly
tablature-full-notation.ly
tablature-harmonic-functions.ly
tablature-tie-spanner.ly
text-spanner-attachment-alignment.ly
text-spanner-full-rest.ly
text-spanner-override-order.ly
tie-direction-manual.ly
tie-pitched-trill.ly
trill-spanner-auto-stop.ly
trill-spanner-broken.ly
trill-spanner-chained.ly
trill-spanner-grace.ly
trill-spanner.ly
trill-spanner-pitched-consecutive.ly
trill-spanner-pitched-forced.ly
trill-spanner-pitched.ly
trill-spanner-scaled.ly
What makes is weird is that the bug happens both with my LilyPond
build (latest master branch) *and* with my distribution’s package
(Fedora repos generally have the latest development release: as of now
it’s 2.19.38 but this also happened with .37 and .36); however, GUB
packages of the exact same development release, don’t reproduce the
segfault.
Could it be because Fedora 24 is using GCC6? I’ve tried bisecting but I’m
unable to compile any version older than a couple of weeks, prior to David’s
more rigorous smob types:
http://git.savannah.gnu.org/cgit/lilypond.git/commit/?id=c6758d6d12e33779fc81218693d5650682d8a1ca
Let me know if I can provide any other information (and feel free to close this
issue if it turns out to be caused by something in my environment).
---
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