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Re: Use of libobjc from gcc 4.1 with MinGW


From: Xavier Glattard
Subject: Re: Use of libobjc from gcc 4.1 with MinGW
Date: Fri, 23 Mar 2007 14:06:44 +0000 (UTC)
User-agent: Loom/3.14 (http://gmane.org/)

Nicola Pero <nicola.pero <at> meta-innovation.com> writes:

> 
> > I've did that many times. gnustep-make configure script tells me :
> > 
> > checking for custom shared objc library... 
> > /c/GNUStep/System/Library/Libraries
> > checking whether objc has thread support... yes: 
> > checking whether we should use native ObjC exceptions... no
> > configure: Native objective-c exceptions were requested, but the compiler
> > configure: doesn't support them.
> > configure: error: compiler doesn't support native objective-c exceptions
> >
> > ... and configure fails.
> 
> Oh ... I see.  You are right - it's more complicated.
> 
> Your problem is that the first time you configure gnustep-make, the new 
> libobjc is not yet installed, but gnustep-make will try compiling the ObjC
> snippet to check if native exceptions actually work.  That will fail, but
> then you can't compile the new libobjc! 

Everything becomes clear :-)
But then i should not be the only one with this problem :-\

> Presumably we need a configure flag to force native-exceptions even if
> the compiler would seem to fail when compiling them ?
> (...)

A working configure script in libobjc might be useful...
Then enable-native-exceptions would be a libobjc option,
no more a make one. 

Xavier






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