2 files changed, 5 insertions, 2 deletions
diff --git a/ext/Setup b/ext/Setup
index 830a5095ca..6e178d6ae1 100644
--- a/ext/Setup
+++ b/ext/Setup
@@ -10,6 +10,6 @@
 #pty
 #sdbm
 #socket
-#tkutil
-#tcltklib
+tk
+tcltklib
 #gtk
diff --git a/ext/md5/extconf.rb b/ext/md5/extconf.rb
new file mode 100644
index 0000000000..a57a976a39
--- /dev/null
+++ b/ext/md5/extconf.rb
@@ -0,0 +1,3 @@
+require 'mkmf'
+$CFLAGS += " -DHAVE_CONFIG_H"
+create_makefile('md5')