[Bug c++/98105] constexpr and unnamed namespace yields relocation R_X86_64_PC32 against undefined symbol ... can not be used when making a shared object; recompile with -fPIC

[peter_foelsche at mentor dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98105

--- Comment #2 from Peter Foelsche <peter_foelsche at mentor dot com> ---
sorry -- adding a definition outside of class for the variable solves the
problem!