There's a closed pull request on the void-packages repository

WIP: Slant
https://github.com/void-linux/void-packages/pull/20093

Description:
Closes #4376

Fails for now with

```
/usr/bin/ld: db.o: in function `db_trans_open':
/builddir/slant-0.0.21/db.c:175: undefined reference to `sqlbox_trans_deferred'
/usr/bin/ld: /builddir/slant-0.0.21/db.c:173: undefined reference to `sqlbox_trans_immediate'
/usr/bin/ld: /builddir/slant-0.0.21/db.c:171: undefined reference to `sqlbox_trans_exclusive'
/usr/bin/ld: db.o: in function `db_trans_rollback':
/builddir/slant-0.0.21/db.c:185: undefined reference to `sqlbox_trans_rollback'
/usr/bin/ld: db.o: in function `db_trans_commit':
/builddir/slant-0.0.21/db.c:194: undefined reference to `sqlbox_trans_commit'
/usr/bin/ld: db.o: in function `db_logging_data':
/builddir/slant-0.0.21/db.c:202: undefined reference to `sqlbox_msg_set_dat'
/usr/bin/ld: db.o: in function `db_open_logging':
/builddir/slant-0.0.21/db.c:245: undefined reference to `sqlbox_role_hier_alloc'
/usr/bin/ld: /builddir/slant-0.0.21/db.c:251: undefined reference to `sqlbox_role_hier_sink'
/usr/bin/ld: /builddir/slant-0.0.21/db.c:253: undefined reference to `sqlbox_role_hier_start'
/usr/bin/ld: /builddir/slant-0.0.21/db.c:255: undefined reference to `sqlbox_role_hier_src'
/usr/bin/ld: /builddir/slant-0.0.21/db.c:260: undefined reference to `sqlbox_role_hier_stmt'
/usr/bin/ld: /builddir/slant-0.0.21/db.c:262: undefined reference to `sqlbox_role_hier_stmt'
/usr/bin/ld: /builddir/slant-0.0.21/db.c:264: undefined reference to `sqlbox_role_hier_stmt'
...
```