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authorErlang/OTP <[email protected]>2018-08-09 17:28:29 +0200
committerErlang/OTP <[email protected]>2018-08-09 17:28:29 +0200
commit9d915e1b21f55d7efdd0e2b14b642ad3f4aadf90 (patch)
treea16d500255daf7bc47e18522e40a10dd4fdffae6 /lib
parent293c12b13ce4118d3b5a629c52c544f28629fe4f (diff)
parentca3867d783d610d1990a137d6a9387168dda6605 (diff)
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Merge branch 'john/compiler/fix-deterministic-include-paths/OTP-15204/ERL-679' into maint-20
* john/compiler/fix-deterministic-include-paths/OTP-15204/ERL-679: Omit include path debug info for +deterministic builds
Diffstat (limited to 'lib')
-rw-r--r--lib/compiler/src/compile.erl29
-rw-r--r--lib/compiler/test/compile_SUITE.erl22
2 files changed, 42 insertions, 9 deletions
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index 50b0ba76f8..4203d79913 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -1408,16 +1408,30 @@ encrypt_debug_info(DebugInfo, Key, Opts) ->
end.
cleanup_compile_options(Opts) ->
- lists:filter(fun keep_compile_option/1, Opts).
-
+ IsDeterministic = lists:member(deterministic, Opts),
+ lists:filter(fun(Opt) ->
+ keep_compile_option(Opt, IsDeterministic)
+ end, Opts).
+
+%% Include paths and current directory don't affect compilation, but they might
+%% be helpful so we include them unless we're doing a deterministic build.
+keep_compile_option({i, _}, Deterministic) ->
+ not Deterministic;
+keep_compile_option({cwd, _}, Deterministic) ->
+ not Deterministic;
%% We are storing abstract, not asm or core.
-keep_compile_option(from_asm) -> false;
-keep_compile_option(from_core) -> false;
+keep_compile_option(from_asm, _Deterministic) ->
+ false;
+keep_compile_option(from_core, _Deterministic) ->
+ false;
%% Parse transform and macros have already been applied.
-keep_compile_option({parse_transform, _}) -> false;
-keep_compile_option({d, _, _}) -> false;
+keep_compile_option({parse_transform, _}, _Deterministic) ->
+ false;
+keep_compile_option({d, _, _}, _Deterministic) ->
+ false;
%% Do not affect compilation result on future calls.
-keep_compile_option(Option) -> effects_code_generation(Option).
+keep_compile_option(Option, _Deterministic) ->
+ effects_code_generation(Option).
start_crypto() ->
try crypto:start() of
@@ -1548,6 +1562,7 @@ effects_code_generation(Option) ->
binary -> false;
verbose -> false;
{cwd,_} -> false;
+ {i,_} -> false;
{outdir, _} -> false;
_ -> true
end.
diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl
index 96897d612d..c455afcb48 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
+ bc_options/1, deterministic_include/1
]).
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -53,7 +53,8 @@ all() ->
strict_record, utf8_atoms, utf8_functions, extra_chunks,
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].
+ env_compiler_options, custom_debug_info, bc_options,
+ deterministic_include].
groups() ->
[].
@@ -1445,6 +1446,23 @@ highest_opcode(DataDir, Mod, Opt) ->
<<16:32,0:32,HighestOpcode:32,_/binary>> = Code,
HighestOpcode.
+deterministic_include(Config) when is_list(Config) ->
+ DataDir = proplists:get_value(data_dir, Config),
+ Simple = filename:join(DataDir, "simple"),
+
+ %% Files without +deterministic should differ if their include paths do,
+ %% as their debug info will be different.
+ {ok,_,NonDetA} = compile:file(Simple, [binary, {i,"gurka"}]),
+ {ok,_,NonDetB} = compile:file(Simple, [binary, {i,"gaffel"}]),
+ true = NonDetA =/= NonDetB,
+
+ %% ... but files with +deterministic shouldn't.
+ {ok,_,DetC} = compile:file(Simple, [binary, deterministic, {i,"gurka"}]),
+ {ok,_,DetD} = compile:file(Simple, [binary, deterministic, {i,"gaffel"}]),
+ true = DetC =:= DetD,
+
+ ok.
+
%%%
%%% Utilities.
%%%