Re: [racket-users] Can’t get `raco setup --mode er rortrace` to work

> On Feb 1, 2017, at 10:45 AM, Dan Liebgold <[email protected]> wrote:
> 
> Out of curiosity, does the -j option help here?

Yes, good suggestion; it seems like maybe --mode doesn’t work with
the parallel build. However, using -j 1 produces an error:

    $ raco setup -j 1 --mode errortrace --pkgs test-pkg
    <pkgs>/errortrace-lib/errortrace/errortrace-lib.rkt:98:20: module: cannot be cross-phase persistent due to required modules
      in: (#%plain-module-begin (#%require (for-meta 0 errortrace/errortrace-key)) (#%plain-app init-test-coverage (quote ())) (#%provide (protect alias-of) (protect kw-converted-arguments-variant-of)) (#%declare #:cross-phase-persistent) (define-values (kw-conve...
      compilation context...:
       /Users/alexis/gits/racket/racket/racket/collects/racket/private/kw-prop-key.rkt
       /Users/alexis/gits/racket/racket/racket/collects/syntax/module-reader.rkt
       /private/tmp/test-pkg/main.rkt

It seems like using --mode attempts to compile my module and its
dependencies using errortrace? That breaks the cross-phase persistent
modules, since it inserts requires into the annotated modules.

This raises a few things:

   1) There seems to be a bug in `raco setup` with respect to --mode
      and parallel builds.

   2) Errortrace probably shouldn’t try to annotate cross-phase
      persistent modules.

   3) Even if I did get this to work, it looks like it would dump
      the compiled .zos into compiled/errortrace/ instead of
      compiled/. How would I then instruct Racket to load the .zos
      from that location instead of the default? Do I need to set
      use-compiled-file-paths somehow? Is there some way of achieving
      that with the -R option or the PLTCOMPILEDROOTS environment
      variable?

Is there any way to get `--mode errotrace` to work without fixing
point number 2 above? Or is it pretty much a lost cause?

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