Am 15.07.2014 12:23 schrieb "Mattias Gaertner" <nc-gaert...@netcologne.de>: > > On Tue, 8 Jul 2014 12:07:46 +0200 > Sven Barth <pascaldra...@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?
-Cp sets the target processor. Especially important for platforms like ARM and m68k (additionally the corresponding CPU defines are set with this) -Op sets the processor for which to optimize. I don't know just now whether -Cp influences -Op, but the other way round is definitely not true. So -Cp needs to be set always (if it isn't left blank), while -Op *can* be set. Regards, Sven
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