[slime-devel] suggestion for ~/.slime/fasl/*

[Reini Urban]

Pascal J.Bourguignon schrieb:

> Martin Simmons writes:
> 
>>>>>>>On Fri, 22 Oct 2004 05:11:27 +0200 (CEST), "Pascal J.Bourguignon" <pjb at informatimago.com> said:
>>
>>  Pascal> Some lisp implementation can be run on different architectures.
>>
>>  Pascal> If users keep the same home on different computers this will lead to
>>  Pascal> collision in ~/.slime/fasl/* directories.
>>
>>  Pascal> To generate the directory name for fasl files, I use the following
>>  Pascal> function, adding the machine type:
>>
>>  Pascal> (defun first-word (text)
>>  Pascal>   (let ((pos (position (character " ") text)))
>>  Pascal>     (if pos (subseq text 0 pos) text)))
>>
>>  Pascal> (defun implementation-id ()
>>  Pascal>   (format nil "~A-~A-~A"
>>  Pascal>           (first-word (lisp-implementation-type))
>>  Pascal>           (first-word (lisp-implementation-version))
>>  Pascal>           (first-word (machine-type))));;implementation-id
>>
>>This could be problematic if any of the functions returns a string containing
>>illegal filename characters (e.g. /).
> 
> 
> We could do further filtering, or once such an implementation is
> identified, we could map the values it returns to sane words.
> 
> Anyway, the point here is to add the machine type (uname -m) to be
> able to have in the same NFS-mounted home directory both
> SBCL-0.8.14.9-X86 and SBCL-0.8.14.9-PowerPC.

This problems also bite me on clisp-cygwin against clisp-win32.
fasl and filenames are incompatible.
`uname -m` gives i386 which doesn't help. uname -s is required in this case.


-- 
Reini Urban
http://xarch.tu-graz.ac.at/home/rurban/