Blacklisting compiler versions or build numbers

[Ryan Schmidt]

On Nov 25, 2012, at 20:11, Jeremy Huddleston Sequoia wrote:

> Pseudocode for the parsing is essentially:
> if is-list(l):
>    if matches_all_versions(car(l), cdr(l))
>        refuse_compiler(l)
> else
>    refuse_compiler(l)
> 
> matches_all_versions(c, vl):
>    if is_empty_list(vl):
>        return true
>    if version_matches(c, car(vl), cadr(vl)):
>        return matches_all_versions(c, cddr(vl))
>    return false

I've created the compiler_blacklist_versions 1.0 portgroup in r100083. It works in my limited testing. Please try it and let me know what you think.

I used an iterative implementation of matches_all_versions because I encountered a strange Tcl error with a recursive implementation.