lib/autobuild/subcommand.rb in autobuild-1.7.1 vs lib/autobuild/subcommand.rb in autobuild-1.7.2

@@ -179,9 +179,12 @@
 
         open_flag = if Autobuild.keep_oldlogs then 'a'
                     elsif Autobuild.registered_logfile?(logname) then 'a'
                     else 'w'
                     end
+        if defined? Encoding
+            open_flag << ":BINARY"
+        end
 
         Autobuild.register_logfile(logname)
 
         status = File.open(logname, open_flag) do |logfile|
             if Autobuild.keep_oldlogs