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-rw-r--r--erts/doc/src/erlc.xml8
-rw-r--r--erts/test/erlc_SUITE.erl102
-rw-r--r--lib/compiler/doc/src/compile.xml9
-rw-r--r--lib/compiler/src/compile.erl18
-rw-r--r--lib/stdlib/src/erl_compile.erl3
5 files changed, 138 insertions, 2 deletions
diff --git a/erts/doc/src/erlc.xml b/erts/doc/src/erlc.xml
index 7355be488b..2214b76a51 100644
--- a/erts/doc/src/erlc.xml
+++ b/erts/doc/src/erlc.xml
@@ -143,6 +143,14 @@
<p>Produces a Makefile rule to track header dependencies. The
rule is sent to <c>stdout</c>. No object file is produced.</p>
</item>
+
+ <tag><c>-MMD</c></tag>
+ <item>
+ <p>Generate dependencies as a side-effect. The object file
+ will be produced as normal. This option overrides the
+ option <c><![CDATA[-M]]></c>.</p>
+ </item>
+
<tag><c>-MF &lt;Makefile&gt;</c></tag>
<item>
<p>As option <c><![CDATA[-M]]></c>, except that the
diff --git a/erts/test/erlc_SUITE.erl b/erts/test/erlc_SUITE.erl
index 237558a129..394ecc8964 100644
--- a/erts/test/erlc_SUITE.erl
+++ b/erts/test/erlc_SUITE.erl
@@ -257,7 +257,7 @@ erlc() ->
make_dep_options(Config) ->
{SrcDir,OutDir,Cmd} = get_cmd(Config),
FileName = filename:join(SrcDir, "erl_test_ok.erl"),
-
+ BeamFileName = filename:join(OutDir, "erl_test_ok.beam"),
DepRE = ["/erl_test_ok[.]beam: \\\\$",
"/system_test/erlc_SUITE_data/src/erl_test_ok[.]erl \\\\$",
@@ -285,22 +285,29 @@ make_dep_options(Config) ->
"missing.hrl$",
"_OK_"],
+ file:delete(BeamFileName),
+
%% Test plain -M
run(Config, Cmd, FileName, "-M", DepRE),
+ false = exists(BeamFileName),
%% Test -MF File
DepFile = filename:join(OutDir, "my.deps"),
run(Config, Cmd, FileName, "-MF "++DepFile, ["_OK_"]),
{ok,MFBin} = file:read_file(DepFile),
verify_result(binary_to_list(MFBin)++["_OK_"], DepRE),
+ false = exists(BeamFileName),
%% Test -MD
run(Config, Cmd, FileName, "-MD", ["_OK_"]),
MDFile = filename:join(OutDir, "erl_test_ok.Pbeam"),
{ok,MFBin} = file:read_file(MDFile),
+ file:delete(MDFile), %% used further down!
+ false = exists(BeamFileName),
%% Test -M -MT Target
run(Config, Cmd, FileName, "-M -MT target", DepRETarget),
+ false = exists(BeamFileName),
%% Test -MF File -MT Target
TargetDepFile = filename:join(OutDir, "target.deps"),
@@ -308,23 +315,110 @@ make_dep_options(Config) ->
["_OK_"]),
{ok,TargetBin} = file:read_file(TargetDepFile),
verify_result(binary_to_list(TargetBin)++["_OK_"], DepRETarget),
+ file:delete(TargetDepFile),
+ false = exists(BeamFileName),
%% Test -MD -MT Target
run(Config, Cmd, FileName, "-MD -MT target", ["_OK_"]),
TargetMDFile = filename:join(OutDir, "erl_test_ok.Pbeam"),
{ok,TargetBin} = file:read_file(TargetMDFile),
+ file:delete(TargetDepFile),
+ false = exists(BeamFileName),
%% Test -M -MQ Target. (Note: Passing a $ on the command line
%% portably for Unix and Windows is tricky, so we will just test
%% that MQ works at all.)
run(Config, Cmd, FileName, "-M -MQ target", DepRETarget),
+ false = exists(BeamFileName),
%% Test -M -MP
run(Config, Cmd, FileName, "-M -MP", DepREMP),
+ false = exists(BeamFileName),
%% Test -M -MG
MissingHeader = filename:join(SrcDir, "erl_test_missing_header.erl"),
run(Config, Cmd, MissingHeader, "-M -MG", DepREMissing),
+ false = exists(BeamFileName),
+
+ %%
+ %% check the above variants with side-effect -MMD
+ %%
+
+ %% since compiler is run on the erlang code a warning will be
+ %% issued by the compiler, match that.
+ WarningRE = "/system_test/erlc_SUITE_data/src/erl_test_ok.erl:[0-9]+: "
+ "Warning: function foo/0 is unused$",
+ ErrorRE = "/system_test/erlc_SUITE_data/src/erl_test_missing_header.erl:"
+ "[0-9]+: can't find include file \"missing.hrl\"$",
+
+ DepRE_MMD = insert_before("_OK_", WarningRE, DepRE),
+ DepRETarget_MMD = insert_before("_OK_", WarningRE, DepRETarget),
+ DepREMP_MMD = insert_before("_OK_",WarningRE,DepREMP),
+ DepREMissing_MMD = (insert_before("_OK_",ErrorRE,DepREMissing)--
+ ["_OK_"]) ++ ["_ERROR_"],
+ CompRE = [WarningRE,"_OK_"],
+
+
+ %% Test plain -MMD -M
+ run(Config, Cmd, FileName, "-MMD -M", DepRE_MMD),
+ true = exists(BeamFileName),
+ file:delete(BeamFileName),
+
+ %% Test -MMD -MF File
+ DepFile = filename:join(OutDir, "my.deps"),
+ run(Config, Cmd, FileName, "-MMD -MF "++DepFile, CompRE),
+ {ok,MFBin} = file:read_file(DepFile),
+ verify_result(binary_to_list(MFBin)++["_OK_"], DepRE),
+ true = exists(BeamFileName),
+ file:delete(BeamFileName),
+
+ %% Test -MMD -MD
+ run(Config, Cmd, FileName, "-MMD -MD", CompRE),
+ MDFile = filename:join(OutDir, "erl_test_ok.Pbeam"),
+ {ok,MFBin} = file:read_file(MDFile),
+ file:delete(MDFile), %% used further down!
+ true = exists(BeamFileName),
+ file:delete(BeamFileName),
+
+ %% Test -MMD -M -MT Target
+ run(Config, Cmd, FileName, "-MMD -M -MT target", DepRETarget_MMD),
+ true = exists(BeamFileName),
+ file:delete(BeamFileName),
+
+ %% Test -MMD -MF File -MT Target
+ TargetDepFile = filename:join(OutDir, "target.deps"),
+ run(Config, Cmd, FileName, "-MMD -MF "++TargetDepFile++" -MT target",
+ CompRE),
+ {ok,TargetBin} = file:read_file(TargetDepFile),
+ verify_result(binary_to_list(TargetBin)++["_OK_"], DepRETarget),
+ file:delete(TargetDepFile),
+ true = exists(BeamFileName),
+ file:delete(BeamFileName),
+
+ %% Test -MMD -MD -MT Target
+ run(Config, Cmd, FileName, "-MMD -MD -MT target", CompRE),
+ TargetMDFile = filename:join(OutDir, "erl_test_ok.Pbeam"),
+ {ok,TargetBin} = file:read_file(TargetMDFile),
+ file:delete(TargetDepFile),
+ true = exists(BeamFileName),
+ file:delete(BeamFileName),
+
+ %% Test -MMD -M -MQ Target. (Note: Passing a $ on the command line
+ %% portably for Unix and Windows is tricky, so we will just test
+ %% that MQ works at all.)
+ run(Config, Cmd, FileName, "-MMD -M -MQ target", DepRETarget_MMD),
+ true = exists(BeamFileName),
+ file:delete(BeamFileName),
+
+ %% Test -MMD -M -MP
+ run(Config, Cmd, FileName, "-MMD -M -MP", DepREMP_MMD),
+ true = exists(BeamFileName),
+ file:delete(BeamFileName),
+
+ %% Test -MMD -M -MG
+ MissingHeader = filename:join(SrcDir, "erl_test_missing_header.erl"),
+ run(Config, Cmd, MissingHeader, "-MMD -M -MG", DepREMissing_MMD),
+ false = exists(BeamFileName),
ok.
%% Runs a command.
@@ -341,6 +435,12 @@ verify_result(Result, Expect) ->
io:format("Expected: ~p", [Expect]),
match_messages(Messages, Expect).
+%% insert What before Item, crash if Item is not found
+insert_before(Item, What, [Item|List]) ->
+ [What,Item|List];
+insert_before(Item, What, [Other|List]) ->
+ [Other|insert_before(Item, What, List)].
+
split([$\n|Rest], Current, Lines) ->
split(Rest, [], [lists:reverse(Current)|Lines]);
split([$\r|Rest], Current, Lines) ->
diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml
index b398871ddf..06afc55c07 100644
--- a/lib/compiler/doc/src/compile.xml
+++ b/lib/compiler/doc/src/compile.xml
@@ -233,6 +233,15 @@ module.beam: module.erl \
header.hrl</code>
</item>
+ <tag><c>makedep_side_effect</c></tag>
+ <item>
+ <p>The dependecies are created as a side effect to the
+ normal compilation process. This means that the object
+ file will also be produced. This option override the
+ <c>makedep</c> option.
+ </p>
+ </item>
+
<tag><c>{makedep_output, Output}</c></tag>
<item>
<p>Writes generated rules to <c>Output</c> instead of the
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index 327fecf0e6..ad57eae855 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -203,7 +203,12 @@ expand_opts(Opts0) ->
{_,_,undefined} -> [debug_info|Opts0];
{_,_,_} -> Opts0
end,
- foldr(fun expand_opt/2, [], Opts).
+ %% iff,unless processing is to complex...
+ Opts1 = case proplists:is_defined(makedep_side_effect,Opts) of
+ true -> proplists:delete(makedep,Opts);
+ false -> Opts
+ end,
+ foldr(fun expand_opt/2, [], Opts1).
expand_opt(basic_validation, Os) ->
[no_code_generation,to_pp,binary|Os];
@@ -674,6 +679,7 @@ select_list_passes_1([], _, Acc) ->
standard_passes() ->
[?pass(transform_module),
+ {iff,makedep_side_effect,?pass(makedep_and_output)},
{iff,makedep,[
?pass(makedep),
{unless,binary,?pass(makedep_output)}
@@ -1128,6 +1134,16 @@ core_lint_module(Code, St) ->
errors=St#compile.errors ++ Es}}
end.
+%% makedep + output and continue
+makedep_and_output(Code0, St) ->
+ {ok,DepCode,St1} = makedep(Code0,St),
+ case makedep_output(DepCode, St1) of
+ {ok,_IgnoreCode,St2} ->
+ {ok,Code0,St2};
+ {error,St2} ->
+ {error,St2}
+ end.
+
makedep(Code0, #compile{ifile=Ifile,ofile=Ofile,options=Opts}=St) ->
%% Get the target of the Makefile rule.
diff --git a/lib/stdlib/src/erl_compile.erl b/lib/stdlib/src/erl_compile.erl
index 18d7548fdc..f781312ca2 100644
--- a/lib/stdlib/src/erl_compile.erl
+++ b/lib/stdlib/src/erl_compile.erl
@@ -188,6 +188,8 @@ parse_dep_option("", T) ->
{[makedep,{makedep_output,standard_io}],T};
parse_dep_option("D", T) ->
{[makedep],T};
+parse_dep_option("MD", T) ->
+ {[makedep_side_effect],T};
parse_dep_option("F"++Opt, T0) ->
{File,T} = get_option("MF", Opt, T0),
{[makedep,{makedep_output,File}],T};
@@ -221,6 +223,7 @@ usage() ->
"the dependencies"},
{"-MP","add a phony target for each dependency"},
{"-MD","same as -M -MT file (with default 'file')"},
+ {"-MMD","generate dependencies as a side-effect"},
{"-o name","name output directory or file"},
{"-pa path","add path to the front of Erlang's code path"},
{"-pz path","add path to the end of Erlang's code path"},
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 16:31:09 +0000