$ echo $ERL_LIBS
/home/hernanex3/.ERL_LIBS/
$ pwd
/home/hernanex3/.ERL_LIBS
$ git clone git@github.com:rustyio/sync.git
Cloning into 'sync'...
remote: Counting objects: 708, done.
remote: Total 708 (delta 0), reused 0 (delta 0), pack-reused 708
Receiving objects: 100% (708/708), 288.56 KiB | 552.00 KiB/s, done.
Resolving deltas: 100% (441/441), done.
$ cd sync/
$ make
./rebar compile
==> sync (compile)
Compiled src/sync.erl
Compiled src/sync_options.erl
Compiled src/sync_notify.erl
src/sync_utils.erl:16: Warning: export_all flag enabled - all functions will be exported
Makefile:2: recipe for target 'compile' failed
make: *** [compile] Error 1
$ erl
Erlang/OTP 20 [erts-9.0.4] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:10] [kernel-poll:false]
Eshell V9.0.4 (abort with ^G)
1> sync:start().
{error,{"no such file or directory","sync.app"}}
What am I doing wrong?