Re: lib/49990: libc++ fails to build with g++ 5.1 due to the following types of errors:

[Dave Huang <khym%azeotrope.org@localhost>]

The following reply was made to PR lib/49990; it has been noted by GNATS.

From: Dave Huang <khym%azeotrope.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: lib-bug-people%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost,
 netbsd-bugs%netbsd.org@localhost,
 drakain%gmail.com@localhost
Subject: Re: lib/49990: libc++ fails to build with g++ 5.1 due to the following types of errors:
Date: Tue, 23 Jun 2015 09:51:02 -0500

 On Jun 23, 2015, at 7:55, Martin Husemann <martin%duskware.de@localhost> wrote:
 > The line numbers reported for the errors do not make any sense to me,
 > if I look at those lines in exception.cc.
 > 
 > I find this forward declaration:
 > 
 >     676 #if __GNUC__ > 3 && __GNUC_MINOR__ > 2 
 >     677 extern "C" void *__cxa_begin_catch(void *e) throw();
 >     678 #else
 >     679 extern "C" void *__cxa_begin_catch(void *e);
 >     680 #endif  
 > 
 > and this definition:
 > 
 >    1192 #if __GNUC__ > 3 && __GNUC_MINOR__ > 2
 >    1193 extern "C" void *__cxa_begin_catch(void *e) throw()
 >    1194 #else           
 >    1195 extern "C" void *__cxa_begin_catch(void *e)
 >    1196 #endif          
 >    1197 {       
 > 
 > which seem to be consistent to me. I also don't see any changes to the
 > predefined __GNUC__ or __GNUC_MINOR__ macros.
 
 While they are consistent, I'm not sure what the intent is. If it's 
 supposed to be checking for gcc > 3.2, I'm pretty sure that's not the 
 way to do it.
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