[Bug ada/81878] --disable-bootstrap --enable-languages=ada fails

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81878

--- Comment #44 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 6 Nov 2018, aoliva at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81878
> 
> Alexandre Oliva <aoliva at gcc dot gnu.org> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>              Status|RESOLVED                    |REOPENED
>          Resolution|FIXED                       |---
> 
> --- Comment #43 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
> native --disable-bootstrap build on x86_64-linux-gnu now fails on trunk:
> gnattools uses g++ -B../../ to link, which fails because g++ 8 does not
> understand the %@ specs.  We really shouldn't be mixing up the preinstalled
> compiler with the just-built one IMHO: it should be either g++, or ../../xg++
> -B../../ (probably with additional flags to find libstdc++, if that's needed)

So what broke this again?