diff --git a/tools/h5dump/testh5dump.sh.in b/tools/h5dump/testh5dump.sh.in
index 6944701ea6..2fc09dab78 100644
--- a/tools/h5dump/testh5dump.sh.in
+++ b/tools/h5dump/testh5dump.sh.in
@@ -438,8 +438,21 @@ TESTING() {
 # the actual output file is calculated by replacing the `.ddl' with
 # `.out'.  The actual output is not removed if $HDF5_NOCLEANUP has a
 # non-zero value.
+# If $1 == ignorecase then do caseless CMP and DIFF.
 # ADD_H5_TEST
 TOOLTEST() {
+    # check if caseless compare and diff requested
+    if [ "$1" = ignorecase ]; then
+	caseless="-i"
+	# replace cmp with diff which runs much longer.
+	xCMP="$DIFF -i"
+	shift
+    else
+	caseless=""
+	# stick with faster cmp if ignorecase is not requested.
+	xCMP="$CMP"
+    fi
+
     expect="$TESTDIR/$1"
     actual="$TESTDIR/`basename $1 .ddl`.out"
     actual_err="$TESTDIR/`basename $1 .ddl`.err"
@@ -465,13 +478,13 @@ TOOLTEST() {
     # Create the expect file if it doesn't yet exist.
      echo " CREATED"
      cp $actual $expect
-    elif $CMP $expect $actual; then
+    elif $xCMP $expect $actual > /dev/null 2>&1 ; then
      echo " PASSED"
     else
      echo "*FAILED*"
      echo "    Expected result (*.ddl) differs from actual result (*.out)"
      nerrors="`expr $nerrors + 1`"
-     test yes = "$verbose" && $DIFF $expect $actual |sed 's/^/    /'
+     test yes = "$verbose" && $DIFF $caseless $expect $actual |sed 's/^/    /'
     fi
 
     # Clean up output file
@@ -1018,7 +1031,7 @@ TOOLTEST tcomp-4.ddl --enable-error-stack tcompound_complex.h5
 #test for the nested compound type
 TOOLTEST tnestcomp-1.ddl --enable-error-stack tnestedcomp.h5
 TOOLTEST tnestedcmpddt.ddl --enable-error-stack tnestedcmpddt.h5
-TOOLTEST tcompound_enum.ddl --enable-error-stack tcompound_enum.h5
+TOOLTEST ignorecase tcompound_enum.ddl --enable-error-stack tcompound_enum.h5
 
 # test for options
 TOOLTEST4 tall-1.ddl --enable-error-stack tall.h5