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

[Antti Kantee <pooka%iki.fi@localhost>]

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

From: Antti Kantee <pooka%iki.fi@localhost>
To: gnats-bugs%NetBSD.org@localhost, lib-bug-people%netbsd.org@localhost, 
 gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, drakain%gmail.com@localhost
Cc: 
Subject: Re: lib/49990: libc++ fails to build with g++ 5.1 due to the following
 types of errors:
Date: Tue, 23 Jun 2015 11:54:24 +0000

 On 23/06/15 10:35, Joerg Sonnenberger wrote:
 > The following reply was made to PR lib/49990; it has been noted by GNATS.
 >
 > From: Joerg Sonnenberger <joerg%britannica.bec.de@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc:
 > Subject: Re: lib/49990: libc++ fails to build with g++ 5.1 due to the
 >   following types of errors:
 > Date: Tue, 23 Jun 2015 12:32:32 +0200
 >
 >   On Sat, Jun 20, 2015 at 11:15:00PM +0000, drakain%gmail.com@localhost wrote:
 >   > --- rt_exception.o ---
 >   > rt_exception.cc:679:43: error: declaration of 'void* __cxa_begin_catch(void*)' has a different exception specifier
 >   >  extern "C" void *__cxa_begin_catch(void *e);
 >   >                                            ^
 >   > rt_exception.cc:608:9: error: from previous declaration 'void* __cxa_begin_catch(void*) throw ()'
 >   >    catch(...)
 >
 >   Frankly, this smells like a GCC bug. It should not force exception
 >   specifiers onto us, especially as adding them results in a runtime
 >   penalty.
 
 Any possibility of a workaround?  I guess libc++ upstream would also be 
 interested in the problem (assuming they didn't already fix it).