Change to compile from build directory as before.

README.md

@@ -37,7 +37,7 @@ Build
 
 ### MingGW
 
-    cmake -G "MinGW Makefiles" ../cmake
+    cmake -G "MinGW Makefiles" -DTARGET=mingw ../cmake
     mingw32-make
     
 ### Visual Studio 2010

cmake/CMakeLists.txt

 cmake_minimum_required (VERSION 2.6.2)
 project (cannonball)
 set(DCMAKE default.cmake)
-set(CMDIR cmake)
+set(CMDIR ../cmake)
 
 # Uncomment for debug output
 #set(Boost_DEBUG 1)