diff --git a/src/rebar_base_compiler.erl b/src/rebar_base_compiler.erl
index 220cbd5..3939c97 100644
--- a/src/rebar_base_compiler.erl
+++ b/src/rebar_base_compiler.erl
@@ -28,7 +28,8 @@
 
 -include("rebar.hrl").
 
--export([run/4, run/7, run/8]).
+-export([run/4, run/7, run/8,
+         format_errors/2, format_warnings/2]).
 
 
 %% ===================================================================
@@ -79,6 +80,11 @@ run(Config, FirstFiles, SourceDir, SourceExt, TargetDir, TargetExt,
                 simple_compile_wrapper(S, Target, Compile3Fn, C, CheckLastMod)
         end).
 
+format_errors(Source, Errors) ->
+    format_errors(Source, "", Errors).
+
+format_warnings(Source, Warnings) ->
+    format_errors(Source, "Warning: ", Warnings).
 
 %% ===================================================================
 %% Internal functions
@@ -215,3 +221,12 @@ maybe_report(_) ->
 
 report(Messages) ->
     lists:foreach(fun(Msg) -> io:format("~s~n", [Msg]) end, Messages).
+
+format_errors(Source, Extra, Errors) ->
+    AbsSource = filename:absname(Source),
+    [lists:append([format_error(AbsSource, Extra, Desc) || Desc <- Descs])
+     || {_, Descs} <- Errors].
+
+format_error(AbsSource, Extra, {Line, Mod, Desc}) ->
+    ErrorDesc = Mod:format_error(Desc),
+    ?FMT("~s:~b: ~s~s", [AbsSource, Line, Extra, ErrorDesc]).
diff --git a/src/rebar_erlc_compiler.erl b/src/rebar_erlc_compiler.erl
index 42fecc9..b3b5305 100644
--- a/src/rebar_erlc_compiler.erl
+++ b/src/rebar_erlc_compiler.erl
@@ -262,27 +262,15 @@ internal_erl_compile(Source, Config, Outdir, ErlOpts) ->
                 {ok, _Mod} ->
                     ok;
                 {ok, _Mod, Ws} ->
-                    {ok, format_errors(Source, "Warning: ", Ws)};
+                    {ok, rebar_base_compiler:format_warnings(Source, Ws)};
                 {error, Es, Ws} ->
-                    {error, format_errors(Source, Es),
-                     format_errors(Source, "Warning: ", Ws)}
+                    {error, rebar_base_compiler:format_errors(Source, Es),
+                     rebar_base_compiler:format_warnings(Source, Ws)}
             end;
         false ->
             skipped
     end.
 
-format_errors(Source, Errors) ->
-    format_errors(Source, "", Errors).
-
-format_errors(Source, Extra, Errors) ->
-    AbsSource = filename:absname(Source),
-    [lists:append([format_error(AbsSource, Extra, Desc) || Desc <- Descs])
-     || {_, Descs} <- Errors].
-
-format_error(AbsSource, Extra, {Line, Mod, Desc}) ->
-    ErrorDesc = Mod:format_error(Desc),
-    ?FMT("~s:~b: ~s~s", [AbsSource, Line, Extra, ErrorDesc]).
-
 -spec compile_mib(Source::file:filename(), Target::file:filename(),
                   Config::rebar_config:config()) -> 'ok'.
 compile_mib(Source, Target, Config) ->
@@ -322,10 +310,10 @@ compile_xrl_yrl(Source, Target, Opts, Mod) ->
                 {ok, _} ->
                     ok;
                 {ok, _Mod, Ws} ->
-                    {ok, format_errors(Source, "Warning: ", Ws)};
+                    {ok, rebar_base_compiler:format_warnings(Source, Ws)};
                 {error, Es, Ws} ->
-                    {error, format_errors(Source, Es),
-                     format_errors(Source, "Warning: ", Ws)}
+                    {error, rebar_base_compiler:format_errors(Source, Es),
+                     rebar_base_compiler:format_warnings(Source, Ws)}
             end;
         false ->
             skipped