[Bug c++/95700] read-md.c: "missing sentinel in function call" when building gcc with musl

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95700

--- Comment #21 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to vvinayag from comment #20) 
> The patch did not fix the issue for me, unfortunately, because CXX_FOR_BUILD
> is still set to 'g++'.
> But to make it work, I added the line: CXX="$CXX -std=c++11", as shown in
> the file I have attached.
> With this additional line in both configure and configure.ac, CXX_FOR_BUILD
> is set to 'g++ -std=c++11', and the build succeeded for me. However, I do
> not know whether that is the right solution.

I think the aarch64 issue is fixed with r12-872-g5116b54e4644 on the trunk.