Subject: Re: [boost] [filesystem][spirit] problems with scoped enums with GCC 4.4 in C++0x mode
From: Francois Barel (frabar666_at_[hidden])
Date: 2009-07-23 18:50:48
Beman Dawes wrote:
> It's a bug in GCC 4.4.0. See GCC Bugzilla Bug 38064.
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38064
>
> This little test:
>
> enum class color { red, green };
>
> int foo(color c )
> {
> return c == color::red ? 5 : 10;
> }
>
> Compiles fine with Borland 6.10 (which also supports scoped enums) but
> fails with GCC 4.4.0.
>
> I've let one of the GCC developers know privately that this bug is
> causing us problems.
>
> I think the fix is to simply define BOOST_NO_SCOPED_ENUMS for GCC 4.4.
> I'll change the config file in trunk accordingly.
GCC 4.4.1 has been released, and includes the fix for this bug.
I think BOOST_NO_SCOPED_ENUMS no longer needs to be defined for 4.4.1
and later? The attached patch to the config file does that.
Regards,
François