[Bug libstdc++/88421] compat C headers break building GCC with GCC

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88421

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
               Host|                            |shle--netbsdelf
              Build|                            |x86_64

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Normally after building the cross, I don't rebuild the target libraries as they
were already built once before so I don't run into this issue.