nobu	2015-06-17 09:12:30 +0900 (Wed, 17 Jun 2015)

  New Revision: 50925

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=50925

  Log:
    mkmf.rb: suppress warnings
    
    * lib/mkmf.rb (try_func, try_var): suppress
      unused-but-set-variable warnings.

  Modified files:
    trunk/lib/mkmf.rb
Index: lib/mkmf.rb
===================================================================
--- lib/mkmf.rb	(revision 50924)
+++ lib/mkmf.rb	(revision 50925)
@@ -768,7 +768,7 @@ int main() {printf("%"PRI_CONFTEST_PREFI https://github.com/ruby/ruby/blob/trunk/lib/mkmf.rb#L768
 /*top*/
 extern int t(void);
 #{MAIN_DOES_NOTHING 't'}
-int t(void) { #{decltype["volatile p"]}; p = (#{decltype[]})#{func}; return 0; }
+int t(void) { #{decltype["volatile p"]}; p = (#{decltype[]})#{func}; return !p; }
 SRC
     call && try_link(<<"SRC", opt, &b)
 #{headers}
@@ -787,7 +787,7 @@ SRC https://github.com/ruby/ruby/blob/trunk/lib/mkmf.rb#L787
 /*top*/
 extern int t(void);
 #{MAIN_DOES_NOTHING 't'}
-int t(void) { const volatile void *volatile p; p = &(&#{var})[0]; return 0; }
+int t(void) { const volatile void *volatile p; p = &(&#{var})[0]; return !p; }
 SRC
   end
 

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