diff --git a/install/build.ninja b/install/build.ninja
index 07f3318..9d6a811 100644
--- a/install/build.ninja
+++ b/install/build.ninja
@@ -20,7 +20,7 @@ rule download
 
 rule install
   command = ./scripts/install_${target}.sh > _build/${target}.log 2>&1 &&  touch _build/${target}.ok || cat _build/${target}.log
-  description = Installing ${descr}
+  description = Installing ${descr} \t| tail -f install/_build/${target}.log 
 
 
 # Builds
@@ -68,9 +68,9 @@ build _build/qmcchemrc.ok ../qmcchemrc: install | _build/irpf90.ok ../bin/irpman
 
 build _build/ocaml.ok ../bin/opam: install | Downloads/opam_installer.sh  _build/qmcchemrc.ok ../qmcchemrc
   target = ocaml
-  descr = Ocaml compiler
+  descr = OCaml compiler 
 
 build _build/ocaml_zmq.ok: install | ../bin/opam ../lib/libzmq.so ../lib/zmq.h ../lib/zmq_utils.h _build/ocaml.ok _build/zmq.ok ../lib/libzmq.a ../lib/libzmq.so.4 ../lib/libzmq.so ../lib/zmq.h ../lib/zmq_utils.h
   target = ocaml_zmq
-  descr = Ocaml ZeroMQ interface
+  descr = OCaml ZeroMQ interface
 
diff --git a/ocaml/_tags b/ocaml/_tags
new file mode 100644
index 0000000..b8a5216
--- /dev/null
+++ b/ocaml/_tags
@@ -0,0 +1,6 @@
+true: package(core,sexplib.syntax,cryptokit,str,ZMQ)
+true: thread
+true:rpath
+#true: static
+
+