[svn-r12688] Added a script to generate code coverage information. To create files that

record how often each line of HDF5 source was run, check out a fresh
copy of hdf5 and run "bin/gcov_script" .

No changes to the code.

bin/gcov_script

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+#! /bin/sh
+#
+# Copyright by The HDF Group (THG).
+# All rights reserved.
+#
+# This file is part of HDF5.  The full HDF5 copyright notice, including
+# terms governing use, modification, and redistribution, is contained in
+# the files COPYING and Copyright.html.  COPYING can be found at the root
+# of the source code distribution tree; Copyright.html can be found at the
+# root level of an installed copy of the electronic HDF5 document set and
+# is linked from the top-level documents page.  It can also be found at
+# http://www.hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have
+# access to either file, you may request a copy from help@hdfgroup.org.
+#
+
+# A script to generate coverage files for HDF5 using gcov.
+# Configures, builds, and runs tests in-place; the output files will be placed
+# in a directory called gcov_logs.
+# Must be invoked from the root hdf5 directory.
+# This script has only been tested on heping.
+
+CFLAGS="$CFLAGS -ftest-coverage -fprofile-arcs"
+export CFLAGS
+./configure --enable-debug=all
+make
+make check
+mkdir gcov_logs
+cd src
+for j in *.c
+  do
+  gcov -b $j >> gcov.log 2>&1
+  done
+for j in *.gcov
+  do
+  mv $j ../gcov_logs
+  done
+mv gcov.log ../gcov_logs
+cd ..
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