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-rw-r--r--src/rebar_port_compiler.erl28
1 files changed, 26 insertions, 2 deletions
diff --git a/src/rebar_port_compiler.erl b/src/rebar_port_compiler.erl
index 06a79bc..36d741d 100644
--- a/src/rebar_port_compiler.erl
+++ b/src/rebar_port_compiler.erl
@@ -27,8 +27,11 @@
-module(rebar_port_compiler).
-export([compile/2,
- clean/2,
- setup_env/1]).
+ clean/2]).
+
+%% for internal use only
+-export([setup_env/1,
+ info/2]).
-include("rebar.hrl").
@@ -149,6 +152,27 @@ setup_env(Config) ->
%% Internal functions
%% ===================================================================
+info(help, compile) ->
+ info_help("Build port sources");
+info(help, clean) ->
+ info_help("Delete port build results").
+
+info_help(Description) ->
+ ?CONSOLE(
+ "~s.~n"
+ "~n"
+ "Valid rebar.config options:~n"
+ " ~p~n"
+ " ~p~n",
+ [
+ Description,
+ {port_env, [{"CFLAGS", "$CFLAGS -Ifoo"},
+ {"freebsd", "LDFLAGS", "$LDFLAGS -lfoo"}]},
+ {port_specs, [{"priv/so_name.so", ["c_src/*.c"]},
+ {"linux", "priv/hello_linux", ["c_src/hello_linux.c"]},
+ {"linux", "priv/hello_linux", ["c_src/*.c"], [{env, []}]}]}
+ ]).
+
setup_env(Config, ExtraEnv) ->
%% Extract environment values from the config (if specified) and
%% merge with the default for this operating system. This enables