finish splitting modules, and start using ninja

deps.sh

@@ -0,0 +1,12 @@
+OCAMLDEP=$1
+shift
+echo ninja_dyndep_version = 1
+$OCAMLDEP -one-line $@ | while read d; do
+  outs="$(echo "$d" | cut -d':' -f1)"
+  ins="$(echo "$d" | cut -d':' -f2)"
+  echo -ne "build build/$outs : dyndep |"
+  for f in $ins; do
+    echo -ne " build/$f"
+  done
+  echo
+done