See use case below. John Darrington <[email protected]> skribis:
> On Wed, Jul 16, 2014 at 11:23:12AM +0200, Ludovic Court??s wrote: > John Darrington <[email protected]> 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'
