From edc3b0640f1b773e185550448e2086279f7b1a7f Mon Sep 17 00:00:00 2001
From: Joel Martin <github@martintribe.org>
Date: Wed, 9 Apr 2014 22:15:54 -0500
Subject: README: add C# info. Cleanup top Makefile.

Also, re-order impls into alphabetical order.
---
 README.md   | 28 +++++++++++++++++++++-------
 cs/Makefile |  4 +++-
 2 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 02fdfef..2653b90 100644
--- a/README.md
+++ b/README.md
@@ -3,18 +3,19 @@
 ## Description
 
 Mal is an interpreter for a subset of the Clojure programming
-language. Mal is implemetated from scratch in 10 different languages:
+language. Mal is implemetated from scratch in 11 different languages:
 
-* Javascript
-* Python
-* Clojure
+* Bash shell
 * C
+* C#
+* Clojure
 * Java
-* PHP
-* Bash shell
+* Javascript
 * GNU Make
 * mal itself
-* Postscript (in-progress)
+* PHP
+* Postscript
+* Python
 
 
 Mal is also a learning tool. Each implentation of mal is separated
@@ -62,6 +63,19 @@ make
 ./stepX_YYY
 ```
 
+### C#
+
+The C# implementation of mal has been tested on Linux using the Mono
+C# compiler (mcs) and the Mono runtime (version 2.10.8.1). Both are
+required to build and run the C# implementation.
+
+```
+cd cs
+make
+mono ./stepX_YYY
+```
+
+
 ### Clojure
 
 ```
diff --git a/cs/Makefile b/cs/Makefile
index 3236bd6..8d05ec0 100644
--- a/cs/Makefile
+++ b/cs/Makefile
@@ -1,5 +1,7 @@
 #####################
 
+DEBUG =
+
 TESTS =
 
 SOURCES = readline.cs types.cs reader.cs printer.cs env.cs core.cs \
@@ -15,7 +17,7 @@ SRCS = step0_repl.cs step1_read_print.cs step2_eval.cs step3_env.cs \
 
 LIB_SRCS = $(filter-out step%,$(OTHER_SOURCES) $(SOURCES))
 
-FLAGS = -debug+
+FLAGS = $(if $(strip $(DEBUG)),-debug+,)
 
 #####################
 
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