[erlang-questions] Emacs + Flycheck + rebar3 + proper
Mon Nov 26 20:14:55 CET 2018
On 11/26/18 7:29 PM, Kostis Sagonas wrote:
> On 11/26/2018 10:18 AM, Frans Schneider wrote:
>> Hi all,
>> In emacs while editing PropEr tests, flycheck complains about not
>> being able to find "proper/include/proper.hrl" which is obvious since
>> that lib is somewhere sitting in the _build directory and not defined
>> in ERL_LIBS.
>> How do you guys configure emacs in a situation like this?
>> PropEr is part of the test profile in rebar3.
> I have never used flycheck in emacs, and consequently I have no idea of
> what is involved in its use, but why isn't ERL_LIBS set in your
> One of the first things that PropEr's user guide specifies is to either
> set ERL_LIBS or add PropEr’s base directory to your Erlang library path
> by adding an appropriate code:load_abs/1 call to your ~/.erlang file
> (see https://proper-testing.github.io/userguide.html).
> Can it be that this will solve your problem?
Rebar3 will fetch and install PropEr per project. I used to have PropEr
installed and had ERL_LIBS point to that as you suggest, but ran into
trouble as rebar3 would install a newer version under _build.
> Should this be something that rebar3 does automatically when it runs or
> detects PropEr tests?
Rebar3's as test path command already knows about PropEr and that might
be useful somehow, but I have no idea how to do that.
> Hope this helps.
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