Hadrian: generation of PDF documents doesn't work

With ghc.nix

While trying to produce _build/docs/pdfs/Haddock.pdf:

kpathsea: Running mktexmf pcrr8t

! I can't find file `pcrr8t'.
<*> ...:=ljfour; mag:=1; nonstopmode; input pcrr8t
                                                  
Please type another input file name
! Emergency stop.
<*> ...:=ljfour; mag:=1; nonstopmode; input pcrr8t
                                                  
Transcript written on mfput.log.
grep: pcrr8t.log: No such file or directory

With the CI docker images

(e.g this x86_64 debian8 one)

Agian, while trying to product the PDF version of the haddock manual:

| Run Xelatex: Haddock.tex => /tmp/extra-dir-87721391039866
This is XeTeX, Version 3.14159265-2.6-0.99992 (TeX Live 2015/dev/Debian) (preloaded format=xelatex)
 restricted \write18 enabled.
entering extended mode
(./Haddock.tex
LaTeX2e <2014/05/01>
Babel <3.9l> and hyphenation patterns for 2 languages loaded.
(./sphinxmanual.cls
Document Class: sphinxmanual 2009/06/02 Document class (Sphinx manual)
(/usr/share/texlive/texmf-dist/tex/latex/base/report.cls
Document Class: report 2014/09/29 v1.4h Standard LaTeX document class
(/usr/share/texlive/texmf-dist/tex/latex/base/size10.clo)))
(/usr/share/texlive/texmf-dist/tex/latex/base/inputenc.sty

Package inputenc Warning: inputenc package ignored with utf8 based engines.

)
! Undefined control sequence.
<recently read> \DeclareUnicodeCharacter 
                                         
l.5 \DeclareUnicodeCharacter
                            {00A0}{\nobreakspace}
No pages of output.
Transcript written on Haddock.log.

This StackExchange post that Matthew pointed me to gives a clue as to as why this happens.

I am going to comment out the needs that make us produce these files in Hadrian when we ask for the docs, for now, leaving a comment pointing to this ticket. Then as we figure out solutions to these issues (especially 2), since that's GHC's CI system), we can put those PDFs back in and mark this ticket as solved.

Trac metadata

Trac field	Value
Version	8.7
Type	Bug
TypeOfFailure	OtherFailure
Priority	high
Resolution	Unresolved
Component	Build System (Hadrian)
Test case
Differential revisions
BlockedBy
Related
Blocking
CC	snowleopard
Operating system
Architecture

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Hadrian: generation of PDF documents doesn't work

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