Build current FPC and Lazarus for Raspbian

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Revision as of 06:05, 27 August 2019 by Ottod (talk | contribs)
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Raspbian Buster (based on Debian 10 Buster) has FPC and Lazarus available in the repositories, but they suffer from the same "design decisions" that don't allow for a nice experience, namely the smooth IDE rebuilding capability based on source packages that is possible with FPC/Lazarus official .deb packages vs the crippled experience with the official Debian/Raspbian packages. One wishes there were official FPC/Lazarus packages for Raspbian as there are for Intel Debian/Ubuntu, which are also frequently updated; not being that the case (at least for now), this page shows the steps for building your own FPC, FPC-source and Lazarus packages for Raspbian.

Requirements:

  • Raspberry Pi 4 4 GB (less memory models would require swap)
  • Latest Raspbian Buster fully updated

Steps:

  1. Install subversion: sudo apt install subversion
  2. Get bootstrap FPC compiler
  3. Extract compiler. This will create a fpc-3.0.2.arm-linux directory.
  4. In this directory, as pi user, run ./install.sh
  5. At the four prompts, answer Enter, n, n, n: this is, accept suggested directory /home/pi/fpc-3.0.2, no Textmode IDE, no documentation, no demos. Ignore tar warnings. Note the additional files written to /home/pi: .fpc.cfg, .config/fppkg.cfg, .fppkg/config/default. When the build is done, to delete this temporary bootstrap compiler these files and the /home/pi/fpc-3.0.2 install directory need to be deleted.
  6. Temporarily add FPC install directory to PATH: export PATH=$PATH:$HOME/fpc-3.0.2/bin. If you reboot before completing the build you have to do this step again.
  7. Test if all ok: fpc abcd. This invokes the just installed compiler trying to compile a non-existent file (abcd). A multiline message will be shown including the compiler version.
  8. Non-step note: the following steps are mostly based on this
  9. Install development libraries: sudo apt install libgtk2.0-dev libgpm-dev libncurses-dev
  10. mkdir ~/pascal
  11. cd ~/pascal
  12. svn co https://svn.freepascal.org/svn/fpc/tags/release_3_0_4 fpc, you have to be online for this and the next step to work.
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