ext/patron/extconf.rb in patron-0.4.16 vs ext/patron/extconf.rb in patron-0.4.17

@@ -38,11 +38,12 @@
   options to extconf.
   EOM
 end
 
 if CONFIG['CC'] =~ /gcc/
-  $CFLAGS << ' -Wall'
+  $CFLAGS << ' -pedantic -Wall'
 end
 
+$defs.push("-DUSE_TBR")
 $defs.push("-DHAVE_TBR") if have_func('rb_thread_blocking_region')
 
 create_makefile 'patron/session_ext'