Date: Thu, 12 Jan 2012 21:07:05 -0800 From: Chuck Swiger <cswiger@mac.com> To: Dmitry Sarkisov <ait_mlist@rocc.ru> Cc: freebsd-questions@freebsd.org Subject: Re: Ports with modern compilers Message-ID: <467D6FA8-F0FA-45B3-B367-20FE9AD6443C@mac.com> In-Reply-To: <20120113045355.GA166@aperturescience.org> References: <20120113045355.GA166@aperturescience.org>
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On Jan 12, 2012, at 8:53 PM, Dmitry Sarkisov wrote: > Hello list, > > I'd like to try building my ports with features and optimizations modern complers provide. > A couple of q. here: > > 1. What's the safest (less painful) way to go - build with fresh gcc or clang/llvm? For portable code, there shouldn't be much difference in terms of getting a working result. Clang tries to have better diagnostics than gcc; gcc has been around for a lot longer, and is much more likely to work with less-portable code due to GNU'isms. > 2. Is it ok to build new ports with new compiler, while already having a bunch of them build with default gcc version 4.2.1? Yes. A more complete answer would be mostly, so long as nobody has changed C++ symbol mangling or a host of other details. Have fun, but don't expect too much benefit from recompiling things with a newer compiler. Regards, -- -Chuck
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