All versions of the Pi use an ARM chip, which is a specific reduced instruction set (RISC) chip architecture. I believe they are compatible save for their VPF or hard float processors. Raspbian, the required OS for this bundle, has general hard float support built into its libraries.
When you type "fpc -ic" using my build, this will be the result: ARMV3 ARMV4 ARMV4T ARMV5 ARMV5T ARMV5TE ARMV5TEJ ARMV6 ARMV6K ARMV6T2 ARMV6Z ARMV6M ARMV7 ARMV7A ARMV7R ARMV7M ARMV7EM This means the user can add any arm specific architecture optimization to his programs by adding -CpARMV7 (or anything from the list above) when compiling. I've had a few people on reddit contact me and so far the issues were minor (I changed the requirement to force gtk+ dev packages be installed), but so far they all say the IDE was fast and now that the install has been correct it works smoothly. If you or anyone has an original Pi, Pi B, or even the Pi Zero, give it a try. I added a Raspberry Pi forum to discuss technical issues should you want to notify me of issue or need help resolving some specific problem: http://www.getlazarus.org/forums/viewforum.php?f=22 What's next is me writing an SDL 2 install page (requires the user to make and install SDL 2 from source) or I may just write an SDL 2 setup script, perhaps appending it to the original setup as an option. Then I will write a few Raspberry Pi specific full screen graphic and sound demos (source code) which should easily be compile and run using either the minimal compiler or Lazarus for Pi. Again, if anyone wants to contribute, just send me note.
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