Windows will no longer be supported by ASDF, or ASDF, Windows, Cygwin -- oh, my!

[Jason Miller]

Mingw translates command-line arguments that look like a path into
windows style pathnames if the DLL is present.
On 12:43 Mon 21 Mar     , Robert Goldman wrote:
> On 3/21/16 Mar 21 -10:47 AM, Stas Boukarev wrote:
> > Robert Goldman <rpgoldman at sift.net> writes:
> > 
> >> On 3/21/16 Mar 21 -9:34 AM, Stas Boukarev wrote:
> >>> I never liked the idea of cygwin, mingw (via msys2) seems to be
> >>> working pretty well for me.
> >>
> >> Any chance you could grab a copy of the git repo and run the tests on
> >> Windows?
> >>
> >> I'm relatively confident that everything works the same across lisp
> >> implementations on Windows now.  The same tests fail for me everywhere.
> >>
> >> The tests failing, AFAICT, are mostly due to Cygwin environment bleeding
> >> into the environment used by the Lisp (which interacts with Windows
> >> through CMD.EXE).  My guess is that these will fail in pretty much the
> >> same way under mingw, but I have never used mingw, so I can't really
> >> say.  Does it have its own pathname syntax, the way cygwin does?  (You
> >> can tell I don't use windows -- except for testing ASDF!).
> > Two tests fail:
> > test-run-program.script test-sysdef-asdf.script
> > 
> > test-sysdef-asdf fails because sb-ext:run-program doesn't yet support
> > output redirection on windows.
> > 
> > test-run-program because it can't find "echo" which turns out to be a
> > shell script with echo "$@", cmd.exe has trouble executing that.
> > Found some bsd echo.c, compiled and stuffed it instead of the shell
> > script, the test now passes.
> > 
> > So, ASDF works as much as it can be expected to work.
> > 
> 
> I've got some additional failures: the tests that involve
> re-initializing the ASDF search paths.  Somehow they grab up cygwin
> paths (for me /cygdrive/f/....), which of course doesn't work.
> 
> I could fix those tests probably -- I use a special environment variable
> to load ASDF on Windows under Cygwin -- but that would be just fixing
> the test and leaving ASDF broken.  ASDF simply doesn't reliably work
> under Cygwin because of the Cygwin paths.
> 
> How does mingw do this stuff?  Cygwin gives me /cygdrive/f/ instead of
> f:/, and that's what shows up in pwd....
> 
> thanks,
> r
> 
> 
>