Merge branch 'maint'

* maint:
  compiler: Forward +source flag to epp and fix bug in +deterministic
  epp: Allow user to set source name independently of input file name

1 files changed, 26 insertions, 2 deletions

diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl
index b79b4171d3..5656743c76 100644
--- a/lib/compiler/test/compile_SUITE.erl
+++ b/lib/compiler/test/compile_SUITE.erl
@@ -36,7 +36,7 @@
 	 core_roundtrip/1, asm/1, optimized_guards/1,
 	 sys_pre_attributes/1, dialyzer/1,
 	 warnings/1, pre_load_check/1, env_compiler_options/1,
-         bc_options/1, deterministic_include/1
+         bc_options/1, deterministic_include/1, deterministic_paths/1
 	]).
 
 suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -53,7 +53,7 @@ all() ->
      cover, env, core_pp, core_roundtrip, asm, optimized_guards,
      sys_pre_attributes, dialyzer, warnings, pre_load_check,
      env_compiler_options, custom_debug_info, bc_options,
-     custom_compile_info, deterministic_include].
+     custom_compile_info, deterministic_include, deterministic_paths].
 
 groups() -> 
     [].
@@ -1533,6 +1533,30 @@ deterministic_include(Config) when is_list(Config) ->
 
     ok.
 
+deterministic_paths(Config) when is_list(Config) ->
+    DataDir = proplists:get_value(data_dir, Config),
+
+    %% Files without +deterministic should differ if they were compiled from a
+    %% different directory.
+    true = deterministic_paths_1(DataDir, "simple", []),
+
+    %% ... but files with +deterministic shouldn't.
+    false = deterministic_paths_1(DataDir, "simple", [deterministic]),
+
+    ok.
+
+deterministic_paths_1(DataDir, Name, Opts) ->
+    Simple = filename:join(DataDir, "simple"),
+    {ok, Cwd} = file:get_cwd(),
+    try
+        {ok,_,A} = compile:file(Simple, [binary | Opts]),
+        ok = file:set_cwd(DataDir),
+        {ok,_,B} = compile:file(Name, [binary | Opts]),
+        A =/= B
+    after
+        file:set_cwd(Cwd)
+    end.
+
 %%%
 %%% Utilities.
 %%%