diff --git a/.gitignore b/.gitignore
index 8c3821e..44474a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,3 @@
-.ninja_deps
-.ninja_log
 EZFIO
 install/Downloads
 install/_build
diff --git a/ocaml/.gitignore b/ocaml/.gitignore
index 486bda1..c93a04f 100644
--- a/ocaml/.gitignore
+++ b/ocaml/.gitignore
@@ -5,9 +5,6 @@
 ezfio.ml
 Qptypes.ml
 .ls_md5
-.ninja_deps
-.ninja_log
-generated.ninja
 qmcchem
 qptypes_generator
 Property.ml
diff --git a/scripts/clean.sh b/scripts/clean.sh
index a9725c4..9c236b3 100755
--- a/scripts/clean.sh
+++ b/scripts/clean.sh
@@ -4,9 +4,11 @@
 make -C ocaml clean 
 if [[ -d src/IRPF90_temp ]]
 then
-  make  -C src/IRPF90_temp -t clean 
+  make -C src/IRPF90_temp clean 
 fi
 
+make -C EZFIO clean
+
 rm -f ocaml/qmcchem ocaml/.ls_md5 
 rm -f EZFIO/Ocaml/ezfio.ml
 cd src
diff --git a/src/.gitignore b/src/.gitignore
index c778c32..1d61e02 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -4,5 +4,4 @@ irpf90.make
 irpf90_entities
 tags
 .ls_md5
-Makefile
 properties.pyc
diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..5964b67
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,6 @@
+IRPF90+= $(IRPF90_FLAGS)
+include irpf90.make
+export
+
+irpf90.make: $(filter-out IRPF90_temp/%, $(wildcard */*.irp.f)) $(wildcard *.irp.f) $(wildcard *.inc.f) Makefile 
+	$(IRPF90)