Compilation Failed with OTP-23 and rebar 3.11.1

[the-prksh]

Hello Devs,

Failed to compile on CentOS 7 with OTP-23 and rebar3 3.11.1.

Here is the log —

make: Entering directory `/home/user/git/myProj/_build/default/lib/enif_protobuf'
Uncaught error in rebar_core: {'EXIT',
                               {undef,
                                [{rebar_utils,get_cwd,[],[]},
                                 {rebar_config,new,0,[]},
                                 {rebar,init_config,1,[]},
                                 {rebar,run,1,[]},
                                 {rebar,main,1,[]},
                                 {escript,run,2,
                                  [{file,"escript.erl"},{line,758}]},
                                 {escript,start,1,
                                  [{file,"escript.erl"},{line,277}]},
                                 {init,start_em,1,[]}]}}
=ERROR REPORT==== 3-Sep-2020::12:05:20.089932 ===
Loading of /home/user/git/myProj/_build/default/lib/enif_protobuf/rebar/rebar/ebin/rebar_utils.beam failed: badfile

=ERROR REPORT==== 3-Sep-2020::12:05:20.089905 ===
beam/beam_load.c(1624): Error loading module rebar_utils:
  please re-compile this module with an 23 compiler (old-style fun with indices: 3/6)

=ERROR REPORT==== 3-Sep-2020::12:05:20.106527 ===
beam/beam_load.c(1624): Error loading module rebar_utils:
  please re-compile this module with an 23 compiler (old-style fun with indices: 3/6)

=ERROR REPORT==== 3-Sep-2020::12:05:20.106573 ===
Loading of /home/user/git/myProj/_build/default/lib/enif_protobuf/rebar/rebar/ebin/rebar_utils.beam failed: badfile

escript: exception error: undefined function rebar_utils:delayed_halt/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 
make: *** [get-deps] Error 127
make: Leaving directory `/home/user/git/myProj/_build/default/lib/enif_protobuf'

The issue is with deprecated rebar 2 and migration to rebar3 will solve the issue.

Does it make sense to you guys ? Happy to do migration.

/Prakash

[jinganix]

Would you like to create a PR?

[jinganix]

https://github.com/jg513/enif_protobuf/pull/15