- Update `cad/zcad' to version 0.9.8.4; switch from using pre-generated distfile to new official one from GitHub
- Switch from my custom makefile-based build to Lazarus one and thus remove MAKE_JOBS_UNSAFE which should no longer be required (hopefully)
- Drop Qt4-related CONFLICTS_INSTALL, Qt4 is already gone
PR: 236345
Submitted by: acm