[cfe-dev] clang ToT doesn't build on macOS 10.10 anymore...?

[Hans Wennborg via cfe-dev]

I just ran into the same thing :-/

On Fri, Jan 26, 2018 at 11:22 PM, Sean McBride via cfe-dev
<cfe-dev at lists.llvm.org> wrote:
> Hi all,
>
> I just tried updating my clang build on a few machines, and it built fine on 10.11, but on a macOS 10.10 with AppleClang 7.0.2.7000181 I get this:
>
> /Users/builder/llvm/llvm/projects/compiler-rt/lib/builtins/adddf3.c:28:53: error: alias unsupported on this file format
> AEABI_RTABI double __aeabi_dadd(double a, double b) COMPILER_RT_ALIAS(__adddf3);
>                                                     ^
> /Users/builder/llvm/llvm/projects/compiler-rt/lib/builtins/int_lib.h:29:36: note: expanded from macro 'COMPILER_RT_ALIAS'
> #define COMPILER_RT_ALIAS(aliasee) _Pragma("GCC error(\"alias unsupported on this file format\")")
>                                    ^
> <scratch space>:89:6: note: expanded from here
>  GCC error("alias unsupported on this file format")
>      ^
>
> Should this build?  Is 10.10 supported?
>
> Thanks,
>
> Sean
>
>
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