Graeme Geldenhuys wrote:
Hi,

How well does FPC and Lazarus support 64bit OSes? I'm upgrading my PC at work (long overdue) and am thinking of installing 64bit Ubuntu on the new system to accommodate >4GB memory. As far as I know FPC works perfectly on 64bit systems, but does Lazarus?
I've been working with Lazarus (of the trunk) for about 10 months now on my Ubuntu 9.04 64-bit edition with no problems so far.

I would still require to build 32bit versions of our software, because most of our client are still on 32bit systems. I gather this should not be an issue either, even though I use a 64bit OS and 64bit FPC? You can run 32bit applications on a 64bit OS, right?
I tried to follow the FPC cross-compile guide (found here: http://wiki.freepascal.org/Cross_compiling) but failed to get 64 to 32 bit cross-compile working. But i think that's more down to my lack of experience with fpc and crosscompilation.

Kind regards,
Torsten Bonde Christiansen.

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