It is difficult to have working with QT5 but not imposible perhaps it is not stable.
I have working under Haiku 64 : Lazarus 2.1.0 Date 2020-11-02 FPC: 3.2.0 SVN Revision: 64096M
You can do:
Maybe other dependencies…
Is best to use latest Haiku versions…
Install fpc stable with default installation and decompress it sources to somewhere also.
Use fpcupdeluxe to install “Lazarus Only” using the fpc installed in system and also mark apply fpcupdeluxe patches…
I have installed fpc and lazarus in next paths:
Surely it will finaly with errors…and dont generate a functional Lazarus installation then…
Goto terminal and from command line…
go to lazarus/lcl/interfaces/qt5
With this you have qt5pas.0 qt5.ppu and the
It refers to qt 5.6.1
I have put them in /lazarus and /boot/home/config/non-packaged/lib/
It also generated qt5pas.0 and qt5pas.ppu but deletes both when lazarus linking finalize.
Compile from lazarus directory with make LCL_PLATFORM=qt5
I have it in 64 bits mode, it is not stable and ever generates debug error for an unsupported debugger option (i dont not what).
You can add lazarus PATH in UserSetupEnvironment /boot/home/config/settings/boot/