[Pythonmac-SIG] wxPython build issue

[Kevin Ollivier]

Hi Bill,

On Feb 2, 2006, at 11:53 PM, Bill Northcott wrote:

> On 03/02/2006, at 6:32 PM, Kevin Ollivier wrote:
>>> I found that _POSIX_C_SOURCES is defined in pyconfig.h in Python 2.4
>>> but not 2.3.  So this problem will only arise using Python 2.4 on
>>> Tiger.  Python 2.4 on Panther, or 2.3 on Tiger would be OK.  It  
>>> seems
>>> both Apple and the Python people decided to be IEEE Stds 1003.1-2001
>>> compliant, but it has caused a problem in wxWidgets/wxPython.
>>
>> Thanks for all your help tracking this down! I'm seeing the  
>> problem and have made some changes to the wx configure script that  
>> fix it on OS X. But I need to check if the fix doesn't break  
>> anything on other platforms first. We should have this in the  
>> 2.6.3 release (due in a couple weeks), and fixed in HEAD hopefully  
>> in the next couple days. (I had been doing my 2.4 builds on  
>> Panther, which is why I had not noticed this before!)
>
> Hi Kevin
>
> I thought about this some more and concluded that messing with the  
> autoconf stuff might break other extensions that worked now.
>
> After reading more, particularly http://www.opengroup.org/ 
> onlinepubs/009695399/functions/xsh_chap02_02.html , I settled on a  
> change in wx/string.h.  It seems to me that if the host is IEEE Std  
> 1003.1-2001 compliant  then the HAVE_STRCASECMP..... macros should  
> be ignored and strings.h included.
>
> So I added more alternative conditions to wx/string.h:46 thus:
> #if defined(HAVE_STRCASECMP_IN_STRINGS_H) || _POSIX_C_SOURCE ==  
> 200112L || _XOPEN_SOURCE == 600
>
> This definitely works on MacOS X 10.4 and I don't see how it can  
> break on other systems.

Out of curiosity, was there a problem with just doing defined 
(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) tests? Are these always  
guaranteed to be set to those values?

> Cheers
> Bill Northcott
>
> PS  I still have the issue from my other posting which Adriano  
> posted in September.

Could you give me a thread to look up so that I can follow up?

Thanks,

Kevin