[Lazarus] IDE Macro for # of bits of the Source OS? (eg. 32-bit/64-bit -- A $(SrcCPU) would be nice!)

[Mattias Gaertner]

On Tue, 8 Jul 2014 12:07:46 +0200
Sven Barth <pascaldragon at googlemail.com> wrote:

>[...]
> FPC automatically defines CPUxyz for -Cpxyz, but it seems that Lazarus
> passes -Opxyz instead which is the CPU type which is optimized for. I'd
> consider this an error of Lazarus...

When should -Cp be used and when -Op?

Mattias