* ext/extmk.rb (extmake): Use Logging.open to switch stdout and

  stderr.  Delay Logging::log_close until the failure message is
  written.  Write the failure message only if log file is opened.

* lib/mkmf.rb (Logging.log_opened?): New method.

  [ruby-dev:47215] [Bug #8209]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40080 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 90d28ab449..a02c3cd039 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -310,6 +310,10 @@ module MakeMakefile
       @log.sync = true
     end
 
+    def self::log_opened?
+      @log and not @log.closed?
+    end
+
     def self::open
       log_open
       $stderr.reopen(@log)