REBAR-1184 always recompile if `ERL_COMPILER_OPTIONS` env var is set

partially addresses #1184

1 files changed, 7 insertions, 0 deletions

diff --git a/src/rebar_erlc_compiler.erl b/src/rebar_erlc_compiler.erl
index 3480cf6..2a9f310 100644
--- a/src/rebar_erlc_compiler.erl
+++ b/src/rebar_erlc_compiler.erl
@@ -308,6 +308,7 @@ needed_files(G, ErlOpts, Dir, OutDir, SourceFiles) ->
                                    ,{i, Dir}] ++ ErlOpts,
                          digraph:vertex(G, Source) > {Source, filelib:last_modified(Target)}
                               orelse opts_changed(AllOpts, TargetBase)
+                              orelse erl_compiler_opts_set()
                  end, SourceFiles).
 
 maybe_rm_beam_and_edge(G, OutDir, Source) ->
@@ -340,6 +341,12 @@ compile_info(Target) ->
             {error, Reason}
     end.
 
+erl_compiler_opts_set() ->
+    case os:getenv("ERL_COMPILER_OPTIONS") of
+        false -> false;
+        _     -> true
+    end.
+
 erlcinfo_file(Dir) ->
     filename:join(rebar_dir:local_cache_dir(Dir), ?ERLCINFO_FILE).