From 96773ebcef2fe5949695a4fd923343ec4b049087 Mon Sep 17 00:00:00 2001
From: Christopher Faulet <christopher.faulet@capflam.org>
Date: Tue, 15 Dec 2009 16:56:13 +0100
Subject: Add option -Werror in erlc(1)

Like in gcc, this option treats warnings as errors.
---
 erts/test/erlc_SUITE.erl | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'erts/test')

diff --git a/erts/test/erlc_SUITE.erl b/erts/test/erlc_SUITE.erl
index 1d944811aa..c91471e412 100644
--- a/erts/test/erlc_SUITE.erl
+++ b/erts/test/erlc_SUITE.erl
@@ -56,6 +56,13 @@ compile_erl(Config) when is_list(Config) ->
 
     ?line run(Config, Cmd, FileName, "-W0", ["_OK_"]),
 
+    %% Try treating warnings as errors.
+
+    ?line run(Config, Cmd, FileName, "-Werror",
+	      ["compile: warnings being treated as errors\$",
+	       "Warning: function foo/0 is unused\$",
+	       "_ERROR_"]),
+
     %% Check a bad file.
 
     ?line BadFile = filename:join(SrcDir, "erl_test_bad.erl"),
-- 
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