PDF book improvements

[Alejandro Colomar <alx@kernel.org>]

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Hi Deri,

My end goal is to be able to embed the creation of the PDF book in the
Makefiles.  To that end, as a first step, I'd like to reuse part of
what we already have in the Makefile.  Currently, we process all files
with -Tpdf, which I guess we'll be able to reuse.

     $ make build-pdf -kij >/dev/null 2>&1
     $ touch man2/gettimeofday.2 
     $ make build-pdf V=1 | sed '/^[[:upper:]]/s/^/\n/'

     PRECONV	.tmp/man/man2/gettimeofday.2.tbl
     preconv   man2/gettimeofday.2 >.tmp/man/man2/gettimeofday.2.tbl

     TBL	.tmp/man/man2/gettimeofday.2.eqn
     tbl <.tmp/man/man2/gettimeofday.2.tbl >.tmp/man/man2/gettimeofday.2.eqn

     EQN	.tmp/man/man2/gettimeofday.2.pdf.troff
     ! (eqn -Tpdf   <.tmp/man/man2/gettimeofday.2.eqn 2>&1 >.tmp/man/man2/gettimeofday.2.pdf.troff) \
     | grep ^ >&2

     TROFF	.tmp/man/man2/gettimeofday.2.pdf.set
     ! (troff -Tpdf -wbreak  -man  <.tmp/man/man2/gettimeofday.2.pdf.troff 2>&1 >.tmp/man/man2/gettimeofday.2.pdf.set) \
     | grep ^ >&2

     GROPDF	.tmp/man/man2/gettimeofday.2.pdf
     gropdf   <.tmp/man/man2/gettimeofday.2.pdf.set >.tmp/man/man2/gettimeofday.2.pdf

What part of this "pipeline" can we reuse?  I guess we can reuse the
.pdf.troff files.  The .pdf.set files probably cannot be reused for
the single book, as they'll have the page numbers and so on already
set, right?

So, I'm imagining that we could cat(1) your front cover with all
these files, and then process with troff(1) and gropdf(1).  Does
that make sense?

Could we also reuse the .pdf.set files and only run gropdf(1) on
the catenation of them?

Cheers,
Alex

-- 
<http://www.alejandro-colomar.es/>
GPG key fingerprint: A9348594CE31283A826FBDD8D57633D441E25BB5

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