File 8142-fixup-Add-options-for-silencing-warnings-f... of Package erlang

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File 8142-fixup-Add-options-for-silencing-warnings-for-behavio.patch of Package erlang (Revision b8a244adcb499cf00d0081173f870146)

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From b38327e81f7c75cfbec0d76fcd1c094d8a3de0fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Fri, 8 Nov 2024 06:19:26 +0100
Subject: [PATCH 2/2] fixup! Add options for silencing warnings for behaviours

---
 lib/compiler/src/compile.erl       |  3 +++
 lib/stdlib/src/erl_lint.erl        | 13 +++++++++++--
 lib/stdlib/test/erl_lint_SUITE.erl | 27 +++++++++++++++++----------
 3 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml
index 4f58a162be..10ddb07f07 100644
--- a/lib/compiler/doc/src/compile.xml
+++ b/lib/compiler/doc/src/compile.xml
@@ -934,6 +934,12 @@ module.beam: module.erl \
             of such tuples.</p>
           </item>
 
+          <tag><c>nowarn_behaviours</c></tag>
+          <item>
+            <p>By default, warnings are emitted for issues with behaviours.
+            Use this option to turn off all warnings of this kind.</p>
+          </item>
+
           <tag><c>nowarn_conflicting_behaviours</c></tag>
           <item>
             <p>By default, warnings are emitted when a module opts in to
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index b871e76491..b190225cbe 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -823,6 +823,10 @@ start(File, Opts) ->
           bool_option(warn_update_literal, nowarn_update_literal,
                       true, Opts)},
          %% Behaviour warnings.
+         {behaviours,
+          bool_option(warn_behaviours,
+                      nowarn_behaviours,
+                      true, Opts)},
          {conflicting_behaviours,
           bool_option(warn_conflicting_behaviours,
                       nowarn_conflicting_behaviours,
@@ -1256,8 +1260,13 @@ post_traversal_check(Forms, St0) ->
 %% check_behaviour(State0) -> State
 %% Check that the behaviour attribute is valid.
 
-check_behaviour(St0) ->
-    behaviour_check(St0#lint.behaviour, St0).
+check_behaviour(St) ->
+    case is_warn_enabled(behaviours, St) of
+        true ->
+            behaviour_check(St#lint.behaviour, St);
+        false ->
+            St
+    end.
 
 %% behaviour_check([{Anno,Behaviour}], State) -> State'
 %%  Check behaviours for existence and defined functions.
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index e1ca2ebe24..c51a91951a 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -3472,10 +3472,14 @@ behaviour_basic(Config) when is_list(Config) ->
 	 ],
     [] = run(Config, Ts),
 
-    Subst = #{behaviour1 => [nowarn_undefined_behaviour_func],
-              behaviour2 => [nowarn_undefined_behaviour_func],
-              behaviour4 => [nowarn_undefined_behaviour_func]},
+    Subst0 = #{behaviour1 => [nowarn_undefined_behaviour_func],
+               behaviour2 => [nowarn_undefined_behaviour_func],
+               behaviour4 => [nowarn_undefined_behaviour_func]},
+    [] = run(Config, rewrite(Ts, Subst0)),
+
+    Subst = #{K => [nowarn_behaviours] || K := _ <- Subst0},
     [] = run(Config, rewrite(Ts, Subst)),
+
     ok.
 
 %% Basic tests with multiple behaviours.
@@ -3781,13 +3785,16 @@ otp_11861(Conf) when is_list(Conf) ->
 	 ],
     [] = run(Conf, Ts),
 
-    Subst = #{otp_11861_1 => [nowarn_conflicting_behaviours],
-              otp_11861_11 => [nowarn_ill_defined_behaviour_callbacks],
-              otp_11861_12 => [nowarn_undefined_behaviour],
-              otp_11861_13 => [nowarn_undefined_behaviour],
-              otp_11861_17 => [nowarn_undefined_behaviour_callbacks],
-              otp_11861_19 => [nowarn_ill_defined_optional_callbacks]
-             },
+    Subst0 = #{otp_11861_1 => [nowarn_conflicting_behaviours],
+               otp_11861_11 => [nowarn_ill_defined_behaviour_callbacks],
+               otp_11861_12 => [nowarn_undefined_behaviour],
+               otp_11861_13 => [nowarn_undefined_behaviour],
+               otp_11861_17 => [nowarn_undefined_behaviour_callbacks],
+               otp_11861_19 => [nowarn_ill_defined_optional_callbacks]
+              },
+    [] = run(Conf, rewrite(Ts, Subst0)),
+
+    Subst = #{K => [nowarn_behaviours] || K := _ <- Subst0},
     [] = run(Conf, rewrite(Ts, Subst)),
 
     true = code:set_path(CodePath),
-- 
2.43.0

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File 8142-fixup-Add-options-for-silencing-warnings-for-behavio.patch of Package erlang (Revision b8a244adcb499cf00d0081173f870146)

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