Building Erlang Projects Offline

[Tristan Sloughter]

What version of Erlang are you using?

Based on that error my guess is your Erlang version is too old for the latest pre-built binary and will either have to build from source or download the escript of an old version https://github.com/erlang/rebar3/releases

On Thu, Feb 3, 2022, at 13:51, Joseph Lloyd wrote:
> Clearly, I am messing up somewhere.  This is our first project, and right now it is super simple: no dependencies.   I've tried downloading a pre-built rebar3, however, when I run it on an internal node, I get the following error:
> 
> escript: exception error: undefined function rebar3:main/1
>   in function  escript:run/2 (escript.erl, line 758)
>   in call from escript:start/1 (escript.erl, line 277)
>   in call from init:start_em/1 
>   in call from init:do_boot/3
> 
> Are there dependencies that are needed outside of my own project that rebar3 needs?  If so, how do I locate them to copy them into a _checkouts directory?
> 
> Thanks,
> 
> Joseph
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