Date: Fri, 23 Aug 2013 13:56:14 +0100 From: David Chisnall <theraven@FreeBSD.org> To: Andriy Gapon <avg@FreeBSD.org> Cc: toolchain@FreeBSD.org, "re@FreeBSD.org Engineering Team" <re@FreeBSD.org>, current@FreeBSD.org Subject: Re: patch to add AES intrinsics to gcc Message-ID: <422728FC-CE88-4AEF-AD10-3BF8910A2109@FreeBSD.org> In-Reply-To: <521754E6.3030906@FreeBSD.org> References: <20130822200902.GG94127@funkthat.com> <105E26EE-8471-49D3-AB57-FBE2779CF8D0@FreeBSD.org> <CAE-m3X324rbdP_C=az4eO-EkMcR-yFAeRG7S4q%2BMUsnMezGddw@mail.gmail.com> <5CE4B5FA-9DA0-45E4-8D67-161E0829FE6B@FreeBSD.org> <52173C8D.20608@freebsd.org> <D879DDDA-EF9D-470A-A82E-04E83DB2A7E4__13641.8188493282$1377255996$gmane$org@FreeBSD.org> <521754E6.3030906@FreeBSD.org>
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On 23 Aug 2013, at 13:26, Andriy Gapon <avg@freebsd.org> wrote: > On the other hand these tools are perfect for building FreeBSD kernel = and base. > Extrapolating my experience with base GCC I am very confident in it as = a > FreeBSD development tool. > Extrapolating my experience with Clang I am not yet confident in it as = a > FreeBSD development tool. Nathan has already dealt with this. > I do not care about C11, C++11 and modern C++ codebases. I care about = what's > in /usr/src and what gets compiled by buildkernel/buildworld. That's = just me, > of course. But, OTOH, those who care modern C++ codebases should be = perfectly > capable to install a compiler from ports or switch to clang as their = default > compiler. So you don't want a working debugger? Our gdb doesn't work at all on = MIPS and barely works with code compiled with clang or a recent gcc. We = are planning on importing LLDB soon (Ed Maste has been working on it, = funded by the FreeBSD Foundation), and it is a C++11 code base. It will = not build with our gcc or with our libstdc++ (and, in fact, since it = uses the LLVM libraries, will require LLVM in base to link libc++).=20 Or perhaps you don't care about flattened device trees. The device tree = compiler that we have in base is written in C++ and contains numerous = occurrences of ugly code to make it work with old compilers. I will be = very happy to remove a load of hacks once C++11 support is available in = the base system (not for 10.0, as dtc is used on a lot of tier 2 archs = where gcc is still default). David
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