Thrift: Add a Makefile to build the C# library with Mono.

Reviewed By: mcslee

Test Plan: Installed Mono and built it.

Revert Plan: ok

Other Notes:
Submitted by Ben Maurer.
Actually reviewed by Todd Berman.


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665465 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 06cf11a..caf002f 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -2,6 +2,10 @@
   cpp \
   py
 
+if ENABLE_MONO
+SUBDIRS += csharp
+endif
+
 EXTRA_DIST = \
   cocoa \
   erl   \