From ba8f27dca5662ca7c66ac766be107342d808e72b Mon Sep 17 00:00:00 2001
From: Richard Carlsson <richardc@klarna.com>
Date: Sat, 29 Oct 2016 23:40:01 +0200
Subject: Make warn_export_all the default

---
 lib/compiler/doc/src/compile.xml   | 6 ++++--
 lib/stdlib/src/erl_lint.erl        | 2 +-
 lib/stdlib/test/erl_lint_SUITE.erl | 4 ++--
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml
index 81e8ec6c23..e93da85f6c 100644
--- a/lib/compiler/doc/src/compile.xml
+++ b/lib/compiler/doc/src/compile.xml
@@ -498,9 +498,11 @@ module.beam: module.erl \
 	    </warning>
           </item>
 
-	  <tag><c>warn_export_all</c></tag>
+	  <tag><c>nowarn_export_all</c></tag>
           <item>
-	      <p>Emits a warning if option <c>export_all</c> is also given.</p>
+	      <p>Turns off warnings for uses of the <c>export_all</c>
+	      option. Default is to emit a warning if option
+	      <c>export_all</c> is also given.</p>
           </item>
 
 	  <tag><c>warn_export_vars</c></tag>
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 49b65069b7..1b84234fac 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -526,7 +526,7 @@ start(File, Opts) ->
 		      true, Opts)},
 	 {export_all,
 	  bool_option(warn_export_all, nowarn_export_all,
-		      false, Opts)},
+		      true, Opts)},
 	 {export_vars,
 	  bool_option(warn_export_vars, nowarn_export_vars,
 		      false, Opts)},
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 4ee3950882..3484976477 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -2702,9 +2702,9 @@ export_all(Config) when is_list(Config) ->
 
             id(I) -> I.
            ">>,
-    [] = run_test2(Config, Ts, []),
+    [] = run_test2(Config, Ts, [nowarn_export_all]),
     {warnings,[{2,erl_lint,export_all}]} =
-	run_test2(Config, Ts, [warn_export_all]),
+	run_test2(Config, Ts, []),
     ok.
 
 %% Test warnings for functions that clash with BIFs.
-- 
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