diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8f481196e42..19b0a043998 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -45,3 +45,9 @@ if (PIO_ENABLE_FORTRAN)
   set(FCFLAGS ${FCFLAGS} PARENT_SCOPE)
   set(FPPFLAGS ${FPPFLAGS} PARENT_SCOPE)
 endif ()
+
+# Build the netCDF integration layer if desired.
+if (PIO_ENABLE_NETCDF_INTEGRATION)
+  add_subdirectory (ncint)
+endif ()
+
diff --git a/src/ncint/CMakeLists.txt b/src/ncint/CMakeLists.txt
new file mode 100644
index 00000000000..4a0b4d57faf
--- /dev/null
+++ b/src/ncint/CMakeLists.txt
@@ -0,0 +1 @@
+cmake_minimum_required (VERSION 2.8.12)