Configure CMake for building WASM using Emscripten

Example.GameLib/dist-emscripten.sh

@@ -4,9 +4,16 @@ if test -f /c/emsdk/emsdk_env.sh; then
     source /c/emsdk/emsdk_env.sh
 fi
 
-make arch=emscripten full-clean
-make arch=emscripten
+if test -d cmake-build-emscripten; then
+    rm -rf cmake-build-emscripten
+fi
+mkdir cmake-build-emscripten
+
+cd cmake-build-emscripten
+emcmake cmake ..
+make
+cd ..
 
 mkdir -p DIST/web
 cp -Rv web/* DIST/web/
-cp -Rv build-emscripten/game.* DIST/web/
+cp -Rv cmake-build-emscripten/game.* DIST/web/