Merge pull request #49 from tuncer/fix-48

Revert "Fail on missing files (#37)"

Author: Tuncer Ayaz

src/pc_port_specs.erl

@@ -121,10 +121,7 @@ port_spec_from_legacy(Config) ->
 
 port_sources(WorkDir, Sources) ->
     lists:flatmap(fun (Source) ->
-                          case filelib:wildcard(Source, WorkDir)of
-                              [] -> [Source];
-                              FileList -> FileList
-                          end
+                      filelib:wildcard(Source, WorkDir)
                   end, Sources).
 
 maybe_switch_extension({win32, nt}, Target) ->
@@ -154,10 +151,7 @@ get_port_spec(Config, OsType, {_Arch, Target, Sources, Opts}) ->
                   Source1 = expand_env(Source, Env),
                   Source2 = rebar_utils:escape_chars(
                               filename:join(rebar_state:dir(Config), Source1)),
-                  case filelib:wildcard(Source1) of
-                      [] -> [Source2];
-                      FileList -> FileList
-                  end
+                  filelib:wildcard(Source2)
           end, Sources),
     LinkLang =
         case lists:any(