[cfe-dev] libc++ supporting older compilers
Chandler Carruth via cfe-dev
cfe-dev at lists.llvm.org
Sat Dec 19 13:31:27 PST 2015
Even using libstdc++ with Clang is mostly impossible from 5+ because of the
On Sat, Dec 19, 2015 at 1:26 PM Dan Albert via cfe-dev <
cfe-dev at lists.llvm.org> wrote:
> I doubt you can build libstdc++ with clang. Using libstdc++ from clang
> *mostly* works, but I've definitely had reports of certain pieces not
> working (particularly in places like <atomic> and <type_traits>, iirc).
> Note that this was with libstdc++ 4.9. I don't know if that has improved in
> On Sat, Dec 19, 2015 at 12:54 PM, Renato Golin via cfe-dev <
> cfe-dev at lists.llvm.org> wrote:
>> On 18 December 2015 at 23:22, Eric Fiselier via cfe-dev
>> <cfe-dev at lists.llvm.org> wrote:
>> > 4.7 | 4661 | 126
>> > 4.8 | 4015 | 772
>> > 4.9 | 4775 | 12 * 10 are missing "is_trivially_" type
>> This up and down looks odd...
>> > I'm not trying to artificially limit support but I am trying to keep it
>> > moving forward. With limited resources
>> > I want to focus on support for C++1z and new libraries like filesystem.
>> > libc++ users use clang,
>> > and clang gave us full C++11 support in 3.0.It's time we demand it from
>> > other compilers.
>> Doesn't libstdc++ require GCC? Or can it be compiled with Clang?
>> I'm already bootstrapping Clang to compile libc++ on ARM and AArch64,
>> as I got some compilation errors with GCC 4.8. I don't remember the
>> errors, as that was several months ago.
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