inttest/cross1/cross1_rt.erl

%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2016 Luis Rascao
%%
%% Permission is hereby granted, free of charge, to any person obtaining a copy
%% of this software and associated documentation files (the "Software"), to deal
%% in the Software without restriction, including without limitation the rights
%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the Software is
%% furnished to do so, subject to the following conditions:
%%
%% The above copyright notice and this permission notice shall be included in
%% all copies or substantial portions of the Software.
%%
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
%% THE SOFTWARE.
%% -------------------------------------------------------------------

-module(cross1_rt).
-export([files/0,
         run/1]).

-include_lib("eunit/include/eunit.hrl").

setup([Target]) ->
  retest_utils:load_module(filename:join(Target, "inttest_utils.erl")),
  ok.

files() ->
    [
     {copy, "c_src", "c_src"},
     {create, "ebin/foo.app", app(foo, [])}
    ] ++ inttest_utils:rebar_setup().

run(_Dir) ->
    %% we will now determine where gcc is located
    %% create a symlink to it in the cwd and change the
    %% rebar arch so that rebar is fooled into believing
    %% it's doing cross compilation.
    {ok, [_, GccLocation]} = retest_sh:run("which gcc", []),
    {ok, _} = retest_sh:run(io_lib:format("ln -s ~s unknown-unknown-linux-gnu-gcc", [GccLocation]),
                            []),
    ?assertMatch({ok, _}, retest_sh:run("./rebar compile -vvv",
                                        [{env, [{"PATH", "./:" ++ os:getenv("PATH")},
                                                {"REBAR_TARGET_ARCH", "unknown-unknown-linux-gnu"}]}])).

%%
%% Generate the contents of a simple .app file
%%
app(Name, Modules) ->
    App = {application, Name,
           [{description, atom_to_list(Name)},
            {vsn, "1"},
            {modules, Modules},
            {registered, []},
            {applications, [kernel, stdlib]}]},
    io_lib:format("~p.\n", [App]).