File jc-1.2.1-fix-erl_opts.patch of Package jc
diff -Ndurp jc-1.2.1/rebar.config jc-1.2.1-fix-erl_opts/rebar.config
--- jc-1.2.1/rebar.config 2016-09-07 15:51:56.000000000 +0300
+++ jc-1.2.1-fix-erl_opts/rebar.config 2018-12-05 18:32:33.293557443 +0200
@@ -1,7 +1,6 @@
% -*- mode: erlang -*-
-{erl_opts, [{native, o3},
- warn_missing_spec,
+{erl_opts, [warn_missing_spec,
{parse_transform, lager_transform}
]}.