compile fixes + unit tests

src/distribution/CMakeLists.txt

@@ -0,0 +1,5 @@
+set(SELF_LIB distribution)
+set(SELF_SRCS Normal.cpp)
+
+xo_add_shared_library4(${SELF_LIB} ${PROJECT_NAME}Targets ${PROJECT_VERSION} 1 ${SELF_SRCS})
+xo_dependency(${SELF_LIB} refcnt)

src/distribution/Normal.cpp

@@ -0,0 +1,9 @@
+/* @file Normal.cpp */
+
+#include "Normal.hpp"
+
+namespace xo {
+
+} /*namespace xo*/
+
+/* end Normal.cpp */