On Wed, Jul 16, 2014 at 11:23:12AM +0200, Ludovic Court??s wrote:
John Darrington <j...@darrington.wattle.id.au> skribis:
> On Tue, Jul 15, 2014 at 10:59:17PM +0200, Ludovic Court??s wrote:
[...]
> The problem is that ???search-path-specification??? is meant for
$PATH-like
> variables that list directories, not files.
>
> That occurred to me too. But what problems does it actually cause?
That we can???t use it for $XML_CATALOG_FILES.
> So I see two solutions:
>
> 1. Patch libxml2 so that it honors a new variable, say
> $XML_CATALOG_DIRECTORIES, which would allow us to use
> ???search-path-specification???.
>
> 2. Augment support for search paths to allow file-based search
paths.
>
> (2) may be best in the long run, but it has ramifications in
different
> places.
>
>
> (1) seems like a good idea only if upstream can be persuaded to adopt it.
Which is unlikely, given that it???s redundant with $XML_CATALOG_FILES.
> What are the ramifications of (2) ?
There are changes in the build tools, for instance
???search-path-as-list???
(used by ???set-path-environment-variable???, used in gnu-build-system.scm)
expects directories, not files. And all this calls things
???directories???.
This is a change we could schedule for the next core-updates.
This sounds like it is the most sensible solution.
J'
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