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-rw-r--r--lib/compiler/doc/src/compile.xml7
-rw-r--r--lib/compiler/src/compile.erl14
-rw-r--r--lib/compiler/test/compile_SUITE.erl28
3 files changed, 40 insertions, 9 deletions
diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml
index f64986d55c..45e442f5c2 100644
--- a/lib/compiler/doc/src/compile.xml
+++ b/lib/compiler/doc/src/compile.xml
@@ -203,7 +203,8 @@
<tag><c>deterministic</c></tag>
<item>
<p>Omit the <c>options</c> and <c>source</c> tuples in
- the list returned by <c>Module:module_info(compile)</c>.
+ the list returned by <c>Module:module_info(compile)</c>, and
+ reduce the paths in stack traces to the module name alone.
This option will make it easier to achieve reproducible builds.
</p>
</item>
@@ -347,8 +348,8 @@ module.beam: module.erl \
<tag><c>{source,FileName}</c></tag>
<item>
- <p>Sets the value of the source, as returned by
- <c>module_info(compile)</c>.</p>
+ <p>Overrides the source file name as presented in
+ <c>module_info(compile)</c> and stack traces.</p>
</item>
<tag><c>{outdir,Dir}</c></tag>
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index a11dc691bc..27e6e8fe00 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -1012,11 +1012,17 @@ parse_module(_Code, St0) ->
end.
do_parse_module(DefEncoding, #compile{ifile=File,options=Opts,dir=Dir}=St) ->
+ SourceName0 = proplists:get_value(source, Opts, File),
+ SourceName = case member(deterministic, Opts) of
+ true -> filename:basename(SourceName0);
+ false -> SourceName0
+ end,
R = epp:parse_file(File,
- [{includes,[".",Dir|inc_paths(Opts)]},
- {macros,pre_defs(Opts)},
- {default_encoding,DefEncoding},
- extra]),
+ [{includes,[".",Dir|inc_paths(Opts)]},
+ {source_name, SourceName},
+ {macros,pre_defs(Opts)},
+ {default_encoding,DefEncoding},
+ extra]),
case R of
{ok,Forms,Extra} ->
Encoding = proplists:get_value(encoding, Extra),
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.
%%%