Merge remote-tracking branch 'origin/pr/1944'
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LCD 47
commit
b03f26d049
@ -13,28 +13,58 @@ main([File]) ->
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%% `rebar.config` is looked for,
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%% but it is not necessarily the one in the project root.
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%% I.e. it may be one deeper in the project file hierarchy.
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RebarFile = rebar_file(Dir),
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Profile = which_compile_opts_profile(filename:absname(File)),
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CompileOpts = case which_build_tool(Dir, Profile) of
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{rebar, RebarFile} ->
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%% `rebar.config` might contain relative paths.
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%% They are relative to the file! Not to the project root.
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RebarOpts = rebar_opts(Dir ++ "/" ++ RebarFile),
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%% rebar specific begin
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rebar_opts(RebarFile);
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%% rebar specific end
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{erlangmk, ErlangMkDir} ->
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%% Erlang.mk specific begin
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erlangmk_opts(ErlangMkDir, Profile);
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%% Erlang.mk specific end
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undefined ->
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fallback_opts()
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end,
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code:add_patha(filename:absname("ebin")),
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%% `compile:file/2` requires the `{i, Path}` to be relative
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%% to CWD - no surprise here.
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compile:file(File, Defs ++ translate_paths(Dir, RebarOpts));
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compile:file(File, Defs ++ translate_paths(Dir, CompileOpts));
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main(_) ->
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io:format("Usage: ~s <file>~n", [escript:script_name()]),
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halt(1).
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rebar_file(Dir) ->
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DirList = filename:split(Dir),
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case lists:last(DirList) of
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"test" ->
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"rebar.test.config";
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_ ->
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"rebar.config"
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which_compile_opts_profile(File) ->
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case filename:basename(filename:dirname(File)) of
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"test" -> test;
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_ -> normal
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end.
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which_build_tool(Dir, Profile) ->
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%% rebar specific begin
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RebarFile = rebar_file(Dir, Profile),
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%% rebar specific end
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case filelib:is_file(RebarFile) of
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true ->
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{rebar, RebarFile};
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false ->
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%% Erlang.mk specific begin
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ErlangMk = erlangmk_file(Dir),
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%% Erlang.mk specific end
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case filelib:is_file(ErlangMk) of
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true -> {erlangmk, Dir};
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false -> undefined
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end
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end.
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rebar_file(Dir, normal) -> filename:join(Dir, "rebar.config");
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rebar_file(Dir, test) -> filename:join(Dir, "rebar.test.config").
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erlangmk_file(Dir) -> filename:join(Dir, "erlang.mk").
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rebar_opts(RebarFile) ->
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Dir = get_root(filename:dirname(RebarFile)),
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case file:consult(RebarFile) of
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@ -54,6 +84,165 @@ rebar_opts(RebarFile) ->
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rebar_opts("rebar.config")
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end.
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erlangmk_opts(BaseDir, Profile) ->
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Make =
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case os:getenv("MAKE") of
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false ->
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case os:find_executable("gmake") of
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false -> "make";
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Path -> Path
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end;
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Cmd ->
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case (lists:member($/, Cmd) orelse lists:member($\\, Cmd)) of
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true -> Cmd;
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false -> os:find_executable(Cmd)
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end
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end,
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ERLC_OPTS_Target =
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case Profile of
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normal -> "show-ERLC_OPTS";
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test -> "show-TEST_ERLC_OPTS"
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end,
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Args = [
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"--no-print-directory",
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"-C", BaseDir,
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"show-ERL_LIBS",
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ERLC_OPTS_Target
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],
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try
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Port = erlang:open_port({spawn_executable, Make}, [
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{args, Args},
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exit_status, use_stdio, stderr_to_stdout]),
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case erlangmk_port_receive_loop(Port, "", BaseDir) of
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{error, _} ->
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fallback_opts();
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{ok, {ErlLibs, ErlcOpts}} ->
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[code:add_pathsa(filelib:wildcard(
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filename:join([ErlLib, "*", "ebin"])))
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|| ErlLib <- ErlLibs],
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ErlcOpts
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end
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catch
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error:_ ->
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fallback_opts()
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end.
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erlangmk_port_receive_loop(Port, Stdout, BaseDir) ->
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receive
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{Port, {exit_status, 0}} ->
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erlangmk_format_opts(Stdout, BaseDir);
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{Port, {exit_status, _}} ->
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{error, {erlangmk, make_target_failure}};
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{Port, {data, Out}} ->
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erlangmk_port_receive_loop(Port, Stdout ++ Out, BaseDir)
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end.
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erlangmk_format_opts(Stdout, BaseDir) ->
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case string:tokens(Stdout, "\n") of
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[ErlLibsLine | ErlcOptsLines] ->
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ErlLibs = erlangmk_format_erl_libs(ErlLibsLine),
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ErlcOpts = erlangmk_format_erlc_opts(ErlcOptsLines, BaseDir),
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{ok, {ErlLibs, ErlcOpts}};
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_ ->
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{error, {erlangmk, incorrect_output}}
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end.
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erlangmk_format_erl_libs(ErlLibsLine) ->
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case os:type() of
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{win32, _} -> string:tokens(ErlLibsLine, ";");
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_ -> string:tokens(ErlLibsLine, ":")
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end.
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erlangmk_format_erlc_opts(ErlcOptsLines, BaseDir) ->
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erlangmk_format_erlc_opts(ErlcOptsLines, [], BaseDir).
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erlangmk_format_erlc_opts(["+" ++ Option | Rest], Opts, BaseDir) ->
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case make_term(Option) of
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{error, _} -> erlangmk_format_erlc_opts(Rest, Opts, BaseDir);
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Opt -> erlangmk_format_erlc_opts(Rest, [Opt | Opts], BaseDir)
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end;
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erlangmk_format_erlc_opts(["-I" ++ Opt | Rest], Opts, BaseDir)
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when Opt =/= "" ->
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erlangmk_format_erlc_opts(["-I", Opt | Rest], Opts, BaseDir);
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erlangmk_format_erlc_opts(["-I", [C | _] = Dir | Rest], Opts, BaseDir)
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when C =/= $- andalso C =/= $+ ->
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AbsDir = filename:absname(Dir, BaseDir),
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erlangmk_format_erlc_opts(Rest, [{i, AbsDir} | Opts], BaseDir);
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erlangmk_format_erlc_opts(["-W" ++ Warn | Rest], Opts, BaseDir)
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when Warn =/= "" ->
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erlangmk_format_erlc_opts(["-W", Warn | Rest], Opts, BaseDir);
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erlangmk_format_erlc_opts(["-W", Warn | Rest], Opts, BaseDir) ->
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case Warn of
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"all" ->
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erlangmk_format_erlc_opts(Rest, [{warn_format, 999} | Opts],
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BaseDir);
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"error" ->
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erlangmk_format_erlc_opts(Rest, [warnings_as_errors | Opts],
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BaseDir);
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"" ->
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erlangmk_format_erlc_opts(Rest, [{warn_format, 1} | Opts],
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BaseDir);
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_ ->
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try list_to_integer(Warn) of
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Level ->
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erlangmk_format_erlc_opts(Rest,
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[{warn_format, Level} | Opts], BaseDir)
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catch
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error:badarg ->
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erlangmk_format_erlc_opts(Rest, Opts, BaseDir)
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end
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end;
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erlangmk_format_erlc_opts(["-D" ++ Opt | Rest], Opts, BaseDir)
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when Opt =/= "" ->
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erlangmk_format_erlc_opts(["-D", Opt | Rest], Opts, BaseDir);
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erlangmk_format_erlc_opts(["-D", [C | _] = Val0 | Rest], Opts, BaseDir)
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when C =/= $- andalso C =/= $+ ->
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{Key0, Val1} = split_at_equals(Val0, []),
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Key = list_to_atom(Key0),
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case Val1 of
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[] ->
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erlangmk_format_erlc_opts(Rest, [{d, Key} | Opts], BaseDir);
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Val2 ->
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case make_term(Val2) of
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{error, _} ->
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erlangmk_format_erlc_opts(Rest, Opts, BaseDir);
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Val ->
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erlangmk_format_erlc_opts(Rest, [{d, Key, Val} | Opts], BaseDir)
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end
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end;
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erlangmk_format_erlc_opts([PathFlag, [_ | _] = Dir | Rest], Opts, BaseDir)
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when PathFlag =:= "-pa" orelse PathFlag =:= "-pz" ->
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AbsDir = filename:absname(Dir, BaseDir),
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case PathFlag of
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"-pa" -> code:add_patha(AbsDir);
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"-pz" -> code:add_pathz(AbsDir)
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end,
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erlangmk_format_erlc_opts(Rest, Opts, BaseDir);
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erlangmk_format_erlc_opts([_ | Rest], Opts, BaseDir) ->
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erlangmk_format_erlc_opts(Rest, Opts, BaseDir);
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erlangmk_format_erlc_opts([], Opts, _) ->
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lists:reverse(Opts).
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%% Function imported from erl_compile.erl from Erlang 19.1.
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make_term(Str) ->
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case erl_scan:string(Str) of
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{ok, Tokens, _} ->
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case erl_parse:parse_term(Tokens ++ [{dot, 1}]) of
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{ok, Term} -> Term;
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{error, Reason} -> {error, Reason}
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end;
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{error, Reason, _} ->
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{error, Reason}
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end.
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%% Function imported from erl_compile.erl from Erlang 19.1.
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split_at_equals([$=|T], Acc) ->
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{lists:reverse(Acc),T};
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split_at_equals([H|T], Acc) ->
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split_at_equals(T, [H|Acc]);
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split_at_equals([], Acc) ->
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{lists:reverse(Acc),[]}.
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fallback_opts() ->
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code:add_pathsa(filelib:wildcard("deps/*/ebin")),
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code:add_pathsa(nested_app_ebins()),
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