COMP: Silence messages from vtkhdf5.

The hdf5 CMakeLists.txt files give status messages every time
it is read, even if there are no config errors or config changes.

Backport of 9ecd9724 from master to release.

Change-Id: Ie4c9be3fdef2111d941b2924f22754e1f025e3a7

Utilities/vtkhdf5/CMakeLists.txt

@@ -427,7 +427,7 @@ IF (HDF5_ENABLE_Z_LIB_SUPPORT)
   CONFIGURE_FILE (${HDF5_SOURCE_DIR}/Resources/hdf5_zlib.h.in ${HDF5_BINARY_DIR}/hdf5_zlib.h @ONLY)
   SET (LINK_LIBS ${LINK_LIBS} ${ZLIB_LIBRARIES})
   INCLUDE_DIRECTORIES (${ZLIB_INCLUDE_DIRS})
-  MESSAGE (STATUS "Filter ZLIB is ON")
+  # MESSAGE (STATUS "Filter ZLIB is ON")
 ENDIF (HDF5_ENABLE_Z_LIB_SUPPORT)
 
 #-----------------------------------------------------------------------------
@@ -443,9 +443,9 @@ IF (HDF5_ENABLE_SZIP_SUPPORT)
     SET (H5_HAVE_LIBSZ 1)
     SET (LINK_LIBS ${LINK_LIBS} ${SZIP_LIBRARIES})
     INCLUDE_DIRECTORIES (${SZIP_INCLUDE_DIRS})
-#      MESSAGE (STATUS "SZIP_INCLUDE_DIRS: ${SZIP_INCLUDE_DIRS}")
-#      MESSAGE (STATUS "SZIP_INCLUDE_DIR: ${SZIP_INCLUDE_DIR}")
-    MESSAGE (STATUS "Filter SZIP is ON")
+    # MESSAGE (STATUS "SZIP_INCLUDE_DIRS: ${SZIP_INCLUDE_DIRS}")
+    # MESSAGE (STATUS "SZIP_INCLUDE_DIR: ${SZIP_INCLUDE_DIR}")
+    # MESSAGE (STATUS "Filter SZIP is ON")
     OPTION (HDF5_ENABLE_SZIP_ENCODING "Use SZip Encoding" OFF)
     IF (HDF5_ENABLE_SZIP_ENCODING)
       SET (H5_HAVE_SZIP_ENCODER 1)