Re: [boost] [offtopic] cygwin and wchar

Subject: Re: [boost] [offtopic] cygwin and wchar
From: Robert Ramey (ramey_at_[hidden])
Date: 2010-08-04 12:17:45

Eric Niebler wrote:
> On 8/3/2010 9:06 PM, Robert Ramey wrote:
>> Eric Niebler wrote:
>>> I see that the cygwin toolset now expects wchar support, and I've
>>> heard that cygwin does indeed support wchar now, but I don't know
>>> what I need to do to get it. Simply running the cygwin installer and
>>> letting it update everything doesn't seem to do the trick. Help?
>>
>> Hmmm - that's all I did and it worked fine.  I did notice one
>> thing though - it seemed to leave some older version of gcc
>> and libraries on there.  Double check that the older ones
>> aren't being invoked with gcc -v
>
> Ah, I had to install the gcc4 package. It installs side-by-side with
> the earlier gcc package, which is gcc3.
>
> I wonder if it's a good idea for the cygwin toolset to just assume
> that wchar support is present, when really it's only present if the
> user has selected gcc4.

I had this problem for the longest time with the serialization library
where a large part of the library and tests make no sense without
wchar support.  I think I managed to fixup the v2 files to skip that part
of the build to skip the irrelevent parts by making them dependent
on some aspect of config library.

Robert Ramey

>
> Just-sayin'-ly,