Re: [PATCH] [cygwin|mingw]: Add cross-compile support to cwrapper (take 6)

[Peter Rosin]

Den 2010-08-29 23:30 skrev Roumen Petrov:
> Peter Rosin wrote:
>> Den 2010-08-27 00:27 skrev Roumen Petrov:
>>> Ralf Wildenhues wrote:
>>>> Hi Charles,
>>>>
>>> [SNIP]
>>>>> +  func_wine_to_win32_path_result="$1"
>>>>> +  if test -n "$1"; then
>>>>> +    # Unfortunately, winepath does not exit with a non-zero
>>>>> +    # error code, so we are forced to check the contents of
>>>>> +    # stdout. On the other hand, if the command is not
>>>>> +    # found, the shell will set an exit code of 127 and print
>>>>> +    # *an error message* to stdout. So we must check for both
>>>>> +    # error code of zero AND non-empty stdout, which explains
>>>>> +    # the odd construction:
>>>
>>> Starting from wine 1.3.1 wine path always output paths:
>>
>> I have been reading the git source of winepath, and it definitely
>> has code paths which output an empty result when certain things
>> fail (or rather, a single newline for every path/file it fails to
>> convert), so saying that it "always output paths" is not entirely
>> correct.
>>
>>> Lets wine is correctly configured (Z: drive is linked to the file system 
>>> root):
>>> $ cd $WINEPREFIX/dosdevices
>>> $ winepath -w `pwd`
>>> Z:\%WINEPREFIX_CONVERTED_TO_BACKSLASHES%\dosdevices
>>>
>>> Now lets remove link:
>>> $ rm z:
>>> $ winepath -w `pwd`
>>> \\?\unix\%WINEPREFIX_CONVERTED_TO_BACKSLASHES%\dosdevices
>>>
>>> So sed should remove leading //?/unix
>>
>> This failures are probably comping from inside wine (no mention of
>> "//?/unix" or "\\?\unix" in the winepath source), so probably won't
>> be seen as failure by winepath. But, if you silently remove \\?\unix,
>> then you'll end up with a path that is not complete with a drive
>> letter. I think any \\?\unix prefix should be filed as a failure...
>>
>>>> Peter, are you reading this?  Looks like a TODO item for
>>>> automake/lib/compile.  ;-)
>>
>> Yes, I'm reading this :-) Patches to compile (and ar-lib) to follow
>> when the dust settles...
>>
>> Cheers,
>> Peter
>>
>>
> 
> FYI http://bugs.winehq.org/show_bug.cgi?id=13265

Ok, I have read that and studied the Wine source a bit more and see where
\??\ is transformed into \\?\. So, sorry for the false accusation
regarding copy-paste vs. retyping in my other reply...

I have now prepared a patch for compile and ar-lib in automake...

Cheers,
Peter