[flang-commits] [flang] [flang][runtime] Add build-time flags to runtime to adjust SELECTED_x_KIND() (PR #105575)

[Renaud Kauffmann via flang-commits]

Renaud-K wrote:

Would it make sense to also have  FLANG_RUNTIME_NO_REAL_3 and  FLANG_RUNTIME_NO_COMPLEX_{2,3,10,16}?

https://github.com/llvm/llvm-project/pull/105575