[armedbear-devel] ASDF-JAR vs ASDF3 deployment support

[Alan Ruttenberg]

Wasn't #. deprecated in favor of load-time-value?


On Mon, Apr 1, 2013 at 8:15 AM, Erik Huelsmann <ehuels at gmail.com> wrote:

> Hi all,
>
>
> Some years ago, Mark wrote ASDF-JAR; a solution to package ASDF systems
> and their dependencies in JARs.
>
> As it turns out, the solution chosen has some problems with correctly
> packaging ASDs for systems which use the #. reader macro. As an example:
> bordeaux-threads uses a version.lisp-sexp file to canonically define the
> version number and the system definition reads that file in a #. form.
> However, this file isn't packaged because it's not part of the file listing
> in the system definition. This means asdf can't load the definition after
> deployment.
>
> With the advent of ASDF3, its developers have created infrastructure to
> combine fasls of a single system and even fasls of a  system and all its
> dependencies into a single large combined FASL. Among others, this new
> infrastructure does not run into the issue ASDF-JAR is running into. While
> not completely equivalent to the JAR solution, using this infrastructure
> would help us a huge step along that way of getting better deployment. My
> current thinking is that if the single-packed-FASL needs to end up as a
> jar, we can work on that as a next step.
>
> The first step to take would be to create "concatenate fasls"
> functionality, which would do the following:
>
>  * Detect all the file entries in all the passed-in fasls
>  * Create a new output zip file with directories for each fasl being
> packed, populated with the files and directories of that fasl
>  * create a toplevel ._ file which loads the sub-fasls' ._ files
>
>
> Comments?
>
> Bye,
>
>
> Erik.
>
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