Subject: Re: bug#26131: [PATCH] gnu: asciidoc: Use local docbook-xml package.

From: Kei Kebreau <[email-masked]>
Date: Thu, 16 Mar 2017 14:32:25 -0400

[email-masked], "Kebreau <kei"@openmailbox.org writes:

> From: Kei Kebreau <[email-masked]>
>
> * gnu/packages/documentation.scm (asciidoc)[inputs]: Add docbook-xml.
> [arguments]: Add 'make-local-docbook-xml' phase.
> ---
>  gnu/packages/documentation.scm | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/gnu/packages/documentation.scm b/gnu/packages/documentation.scm
> index 94e979c88..8b943788a 100644
> --- a/gnu/packages/documentation.scm
> +++ b/gnu/packages/documentation.scm
> @@ -83,8 +83,17 @@ release/xsl/current")
>                             (string-append (assoc-ref inputs "docbook-xsl")
>                                            "/xml/xsl/docbook-xsl-"
>                                            ,(package-version docbook-xsl)))))
> +                       #t))
> +         ;; Do the same for docbook-xml.
> +         (add-before 'install 'make-local-docbook-xml
> +                     (lambda* (#:key inputs #:allow-other-keys)
> +                       (substitute* "docbook45.conf"
> +                         (("http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd")
> +                          (string-append (assoc-ref inputs "docbook-xml")
> +                                         "/xml/dtd/docbook/docbookx.dtd")))
>                         #t)))))
>      (inputs `(("python" ,python-2)
> +              ("docbook-xml" ,docbook-xml)
>                ("docbook-xsl" ,docbook-xsl)
>                ("libxml2" ,libxml2)
>                ("libxslt" ,libxslt)))

This patch fixes some offline validation issues with the docbookx.dtd
file, but I still can't remove all the docbook- and libxml2-related
things from all packages that use them for building documentation (for
example, perf in gnu/packages/linux.scm).