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Bug 1977317 - ghc fails to build with Sphinx 4.0.2
Summary: ghc fails to build with Sphinx 4.0.2
Keywords:
Status: CLOSED RAWHIDE
Alias: None
Product: Fedora
Classification: Fedora
Component: ghc
Version: rawhide
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Jens Petersen
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks: 1973718
TreeView+ depends on / blocked
 
Reported: 2021-06-29 13:04 UTC by Karolina Surma
Modified: 2021-06-30 18:34 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-06-30 18:34:20 UTC
Type: Bug
Embargoed:

Attachments (Terms of Use)

Description Karolina Surma 2021-06-29 13:04:09 UTC 
ghc fails to build with Sphinx 4.0.2 in Fedora 35 (currently Rawhide).

/usr/bin/sphinx-build -b html -d docs/users_guide/.doctrees-html -D latex_paper_size=letter docs/users_guide docs/users_guide/build-html/users_guide
reading sources... [100%] markup
/builddir/build/BUILD/ghc-8.8.4/utils/haddock/doc/markup.rst:11: WARNING: malformed hyperlink target.
looking for now-outdated files... none found
pickling environment... done
checking consistency... done
preparing documents... done
writing output... [ 25%] index
Running Sphinx v4.0.2
Configuration error:
There is a syntax error in your configuration file: (unicode error) 'unicodeescape' codec can't decode bytes in position 1-2: truncated \uXXXX escape (conf.py, line 87)
make[1]: *** [docs/users_guide/ghc.mk:16: docs/users_guide/build-html/users_guide/index.html] Error 2
make[1]: *** Waiting for unfinished jobs....
writing output... [ 50%] intro
writing output... [ 75%] invoking
writing output... [100%] markup
generating indices... /builddir/build/BUILD/ghc-8.8.4/utils/haddock/doc/invoking.rst:549: WARNING: unknown option: -cpp
/builddir/build/BUILD/ghc-8.8.4/utils/haddock/doc/markup.rst:178: WARNING: undefined label: top-level-declaration
genindex done
writing additional pages... search done
copying static files... done
copying extra files... done
dumping search index in English (code: en)... done
dumping object inventory... done
build succeeded, 3 warnings.
The HTML pages are in .build-html.
cp -R utils/haddock/doc/.build-html utils/haddock/doc/haddock
make: *** [Makefile:128: all] Error 2

For the logs from testing build attempts, see:
https://copr.fedorainfracloud.org/coprs/ksurma/pygments-2.9.0/package/ghc/

You can test you package using Koji scratch build
koji build --scratch <srpm>

For details regarding the Sphinx change, see https://fedoraproject.org/wiki/Changes/Sphinx4
Let us know here if you have any questions. Thank you!
Comment 1 Jens Petersen 2021-06-30 16:33:02 UTC 
Thanks, for the report.

I think this is fixed already upstream in ghc-9:
hopefully a single rawstring might be enough to fix this.
Comment 2 Jens Petersen 2021-06-30 18:34:20 UTC 
This should be fixed by https://src.fedoraproject.org/rpms/ghc/c/bad2a2b5a9ca21cbc1503fb68254c02280fe1461?branch=rawhide

Since it is just a 1 char fix (a python rawstring annotation) I didn't push a build to koji.

Scratch build on x86_64: https://koji.fedoraproject.org/koji/taskinfo?taskID=71085568
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