After coming this SO question about (debug_info)[http://stackoverflow.com/questions/6830271/requesting-debug-info-in-an-erlang-module-using-compile], I am curious if it is indeed a problem.

Based on the (documentation)[http://www.erlang.org/doc/man/compile.html#debug_info], this should enable the addition of debug info to the .beam files.

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-module(testdebuginfo).
-compile(debug_info).

However neither using c in erlang shell or using erlc directly will put the debug info into beam file.

I can only implant debug info through erlang shell like this:

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4> debugger:start().

=ERROR REPORT==== 23-Jan-2014::12:23:39 ===
ERROR: Could not find 'wxe_driver.so' in: /usr/local/Cellar/erlang/R16B03/lib/erlang/lib/wx-1.1.1/priv
{ok,<0.49.0>}
5> c(testdebuginfo, [debug_info]).
{ok,testdebuginfo}