Add plugin for passing extra erl_opts flags to deps, and use it for hipe

This fixes #425 in github issue tracker

1 files changed, 12 insertions, 0 deletions

diff --git a/plugins/deps_erl_opts.erl b/plugins/deps_erl_opts.erl
new file mode 100644
index 00000000..72580266
--- /dev/null
+++ b/plugins/deps_erl_opts.erl
@@ -0,0 +1,12 @@
+-module(deps_erl_opts).
+-export([preprocess/2]).
+
+preprocess(Config, Dirs) ->
+    ExtraOpts = rebar_config:get(Config, deps_erl_opts, []),
+    Opts = rebar_config:get(Config, erl_opts, []),
+    NewOpts = lists:foldl(fun(Opt, Acc) when is_tuple(Opt) ->
+                                  lists:keystore(element(1, Opt), 1, Acc, Opt);
+                             (Opt, Acc) ->
+                                  [Opt | lists:delete(Opt, Acc)]
+                          end, Opts, ExtraOpts),
+    {ok, rebar_config:set(Config, erl_opts, NewOpts), []}.