[erlang-questions] Making a minimal distributable program in Erlang.

[Sergej Jurečko]

You can just delete the erl.ini file. That way the erl/werl will work no matter where you put the top level erlang folder. 
You can definitely also delete:
- all .pdb files
- all  *.debug.*.dll
- all .lib files
- all source (.c, .h, .erl, .hrl) files

A simple filelib:wildcard comprehension with delete across erl folder will achieve this quickly.

Regards,
Sergek

> On 20 Sep 2017, at 13:15, Vlad Dumitrescu <vladdu55@REDACTED> wrote:
> 
> Hi Joe,
> I got it started by adding the erts-9.0/bin directory and editing the bin/erl.ini file with the right path. Am trying to trim more, but my PC is acting weird.
> Regards,
> Vlad
> 
> 
> On 20 Sep 2017 12:22, "Joe Armstrong" <erlang@REDACTED <mailto:erlang@REDACTED>> wrote:
> Hello,
> 
> I want to ship Erlang as a component inside a
> larger application to run on Windows
> 
> Assuming the larger application has reserved space
> for Erlang at some destination directory $DEST then I need
> to copy a subset of the files from a standard
> distribution into $DEST.
> 
> On a Mac I have reduced the number of necessary files to 11
> (could be 10 if you remove start.script)
> 
> ├── COPYRIGHT
> ├── bin
> │   ├── beam.smp
> │   ├── erl_child_setup
> │   ├── erlexec
> │   ├── start.boot
> │   └── start.script
> ├── erl
> └── lib
>     ├── compiler-7.0.2.ez
>     ├── kernel-5.1.ez
>     ├── sasl-3.0.1.ez
>     └── stdlib-3.1.ez
> 
> I've thrown away all the libraries apart from compiler etc.
> 
> I'm trying (unsuccessfully) to do the same thing on windows - does anybody
> know how to make a minimal Erlang for windows? - which files must be
> copied and which files must be patched????
> 
> As an afterthought - it would be *very nice* to have a program which
> makes a minimal distributable program for Windows/Mac/Linux.
> 
> I was thinking along the lines of running the program twice - in run one
> I'd trace all calls to discover which modules were actually called, then
> from this information build a minimal distributable program.
> 
> Cheers
> 
> /Joe
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