On Thu, 03 Mar 2016 06:47:24 +0000 Alfred <alfred at consulab.nl> wrote: >[...] > How to setup Lazarus to compile for Aarch64 ?? > Fpc does NOT know what to do with -Pa64. > Fpc does know what to do with -Paarch64. Fixed. I replaced a64 with aarch64 in the IDE. Mattias