Gnatd.v elaboration

I wonder. Is gnatd.v a better option than
pragma preelaborate

Is preelaborate more compiler portable? Though I do not use the features that it protects against such as dynamic dispatch, so it is simply an unneeded restriction for me with Gnat. However gnatd.v seems to offer more such as in regard to uninitialised variables? Assuming it works as I had no compile issues :joy:.

see 7.7

gnatmake -h tells us to look into debug.adb , not very helpful.

pragma Preelaborate has the advantage of being in the ARM.

On the other hand, the link you give is quite frightening, how have I ever managed to make any working code?