From 34c1ca89db3557a7c9f4ed7a63df547cd722be10 Mon Sep 17 00:00:00 2001
From: lrknox <lrknox>
Date: Mon, 5 Jun 2017 17:10:39 -0500
Subject: Update h5vers and release scripts for 1.8.19 branch, set version to
 1.8.19-pre1.     Note:  changes to these scripts were brought from
 develop/hdf5_1_10     and modified for 1.8 version differences. Update HDF5
 version to 1.8.20-snap0. Update HL .so number for added API function.

---
 README.txt                                         |   2 +-
 bin/h5vers                                         | 109 ++++++----
 bin/release                                        | 224 ++++++++++++++++++++-
 c++/src/Makefile.in                                |   6 +-
 c++/src/cpp_doc_config                             |   2 +-
 config/cmake/scripts/HDF5config.cmake              |   4 +-
 config/lt_vers.am                                  |   6 +-
 configure                                          |  22 +-
 configure.ac                                       |   2 +-
 fortran/src/Makefile.in                            |   6 +-
 hl/c++/src/Makefile.in                             |   6 +-
 hl/fortran/src/Makefile.in                         |   6 +-
 hl/src/H5LTparse.c                                 | 144 ++++++-------
 hl/src/H5LTparse.h                                 |   4 +-
 hl/src/Makefile.in                                 |   6 +-
 release_docs/RELEASE.txt                           |   2 +-
 src/H5public.h                                     |   6 +-
 src/Makefile.in                                    |   6 +-
 .../h5repack_layout.h5-plugin_version_test.ddl     |  14 +-
 19 files changed, 408 insertions(+), 169 deletions(-)

diff --git a/README.txt b/README.txt
index f209f77..d782f4e 100644
--- a/README.txt
+++ b/README.txt
@@ -1,4 +1,4 @@
-HDF5 version 1.8.19-snap4 currently under development
+HDF5 version 1.8.20-snap0 currently under development
 Please refer to the release_docs/INSTALL file for installation instructions.
 ------------------------------------------------------------------------------
 
diff --git a/bin/h5vers b/bin/h5vers
index 55ece48..c8abef8 100755
--- a/bin/h5vers
+++ b/bin/h5vers
@@ -125,7 +125,7 @@ EOF
   exit 1;
 }
 
-# Parse arguments
+
 my ($verbose, $set, $inc, $file, $rc);
 my (@files) = ("H5public.h", "src/H5public.h", "../src/H5public.h");
 while ($_ = shift) {
@@ -158,21 +158,26 @@ die "mutually exclusive options given\n" if $set && $inc;
 
 # Determine file to use as H5public.h, README.txt,
 # release_docs/RELEASE.txt, configure.ac, windows/src/H5pubconf.h
-# and config/lt_vers.am. 
+# config/lt_vers.am and config/cmake/scripts/HDF5config.cmake. 
 # The README.txt, release_docs/RELEASE.txt, configure.ac, 
-# windows/src/H5pubconf.h, and config/lt_vers.am 
+# windows/src/H5pubconf.h, config/lt_vers.am and
+# config/cmake/scripts/HDF5config.cmake
 # files are always in the directory above H5public.h
 unless ($file) {
   for (@files) {
     ($file=$_,last) if -f $_;
   }
 }
-die "unable to find source files\n" unless defined $file;
+die "unable to find source file $file\n" unless defined $file;
 die "unable to read file: $file\n" unless -r $file;
 # config/lt_vers.am
 my $LT_VERS = $file;
 $LT_VERS =~ s/[^\/]*$/..\/config\/lt_vers.am/;
 die "unable to read file: $LT_VERS\n" unless -r $file;
+# config/cmake/scripts/HDF5config.cmake
+my $HDF5CONFIGCMAKE = $file;
+$HDF5CONFIGCMAKE =~ s/[^\/]*$/..\/config\/cmake\/scripts\/HDF5config.cmake/;
+die "unable to read file: $HDF5CONFIGCMAKE\n" unless -r $file;
 # README.txt
 my $README = $file;
 $README =~ s/[^\/]*$/..\/README.txt/;
@@ -189,6 +194,9 @@ die "unable to read file: $CONFIGURE\n" unless -r $file;
 my $CPP_DOC_CONFIG = $file;
 $CPP_DOC_CONFIG =~ s/[^\/]*$/..\/c++\/src\/cpp_doc_config/;
 die "unable to read file: $CPP_DOC_CONFIG\n"  unless -r $file;
+my $REPACK_LAYOUT_PLUGIN_VERSION = $file;
+$REPACK_LAYOUT_PLUGIN_VERSION =~ s/[^\/]*$/..\/tools\/h5repack\/testfiles\/h5repack_layout.h5-plugin_version_test.ddl/;
+die "unable to read file: $REPACK_LAYOUT_PLUGIN_VERSION\n" unless -r $file;
 
 # Get the current version number.
 open FILE, $file or die "unable to open $file: $!\n";
@@ -237,18 +245,11 @@ if ($set) {
   $RELEASE = "";
   $CONFIGURE = "";
   $CPP_DOC_CONFIG = "";
-  $LT_VERS = "";        
+  $LT_VERS = "";       
+  $HDF5CONFIGCMAKE = "";
   @newver = @curver;
 }
 
-# Note if the new version is for an official release.
-# if the fourth version field is empty or contains "patch",
-# "currently under development" shouldn't be printed as 
-# part of the version string.
-my $is_official_release="";
-if ($newver[3] eq "" || $newver[3] =~ /patch\d/) {
-    $is_official_release="true";
-}
 # Note if the version increased or decreased
 my $version_increased="";
 # Print a warning if the version got smaller (don't check annot field)
@@ -282,29 +283,29 @@ if ($LT_VERS && $version_increased) {
   close FILE;
 
   local($_) = $contentsy;
-  
-  # As of the HDF5 v1.8.16 release, h5vers should not increment
-  # the LT_VERS numbers, so the next 6 lines are commented out.
-  # A future version may copy the numbers to H5public.h, so this
-  # section is retained for future reference.
-  #my ($lt_revision) = /^LT_VERS_REVISION\s*=\s*(\d+)/m;
-  #my $new_lt_revision = $lt_revision+1;
-  #($contentsy) =~ s/^(LT_VERS_REVISION\s*=\s*)\d+/$1$new_lt_revision/m;
-
-  #open FILE, ">$LT_VERS" or die "$LT_VERS: $!\n";
-  #print FILE $contentsy;
-  #close FILE;
-}
 
+# As of the HDF5 v1.8.16 release, h5vers should not increment
+# the LT_VERS numbers, so the next 6 lines are commented out.
+# A future version may copy the numbers to H5public.h, so this
+# section is retained for future reference.
+#  my ($lt_revision) = /^LT_VERS_REVISION\s*=\s*(\d+)/m;
+#  my $new_lt_revision = $lt_revision+1;
+#  ($contentsy) =~ s/^(LT_VERS_REVISION\s*=\s*)\d+/$1$new_lt_revision/m;
+
+#  open FILE, ">$LT_VERS" or die "$LT_VERS: $!\n";
+#  print FILE $contentsy;
+#  close FILE;
+}
 
 # Update the README.txt file
 if ($README) {
   open FILE, $README or die "$README: $!\n";
   my @contents = <FILE>;
   close FILE;
-  $contents[0] = sprintf("HDF5 version %d.%d.%d%s\n",
+  $contents[0] = sprintf("HDF5 version %d.%d.%d%s %s",
 			 @newver[0,1,2],
-			 $is_official_release ? $newver[3] eq "" ? "" : "-".$newver[3] : "-".$newver[3]." currently under development");
+			 $newver[3] eq "" ? "" : "-".$newver[3],
+			 "currently under development\n");
   open FILE, ">$README" or die "$README: $!\n";
   print FILE @contents;
   close FILE;
@@ -315,9 +316,10 @@ if ($RELEASE) {
   open FILE, $RELEASE or die "$RELEASE: $!\n";
   my @contents = <FILE>;
   close FILE;
-  $contents[0] = sprintf("HDF5 version %d.%d.%d%s\n",
+  $contents[0] = sprintf("HDF5 version %d.%d.%d%s %s",
 			 @newver[0,1,2],
-                         $is_official_release ? $newver[3] eq "" ? "" : "-".$newver[3] : "-".$newver[3]." currently under development");
+			 $newver[3] eq "" ? "" : "-".$newver[3],
+			 "currently under development\n");
   open FILE, ">$RELEASE" or die "$RELEASE: $!\n";
   print FILE @contents;
   close FILE;
@@ -326,19 +328,53 @@ if ($RELEASE) {
 # Update the c++/src/cpp_doc_config file
 if ($CPP_DOC_CONFIG) {
   my $data = read_file($CPP_DOC_CONFIG);
-  my $version_string = sprintf("\"%d.%d.%d%s\"",
-                           @newver[0,1,2],
-                           $is_official_release ? $newver[3] eq "" ? "" : "-".$newver[3] : "-".$newver[3]." currently under development");
-
+  my $sub_rel_ver_str = (
+     $newver[3] eq "" 
+     ? sprintf("%s", "") 
+     : sprintf("%s", "-".$newver[3].", currently under development")
+     );
+  my $version_string = sprintf("\"%d.%d.%d%s%s\"",
+                               @newver[0,1,2],
+                               $sub_rel_ver_str);
   $data =~ s/PROJECT_NUMBER\s*=.*/PROJECT_NUMBER         = $version_string/;
 
   write_file($CPP_DOC_CONFIG, $data);  
 }
 
-# helper function to read the file for updating c++/src/cpp_doc_config file.
+# Update the config/cmake/scripts/HDF5config.cmake file
+if ($HDF5CONFIGCMAKE) {
+  my $data = read_file($HDF5CONFIGCMAKE);
+#  my $sub_rel_ver_str = "";
+  my $sub_rel_ver_str = (
+     $newver[3] eq "" 
+     ? sprintf("\"%s\"", "") 
+     : sprintf("\"%s\"", "-".$newver[3])
+     );
+  my $version_string = sprintf("\"%d.%d.%d\"", @newver[0,1,2]);
+
+  $data =~ s/set \(CTEST_SOURCE_VERSION .*\)/set \(CTEST_SOURCE_VERSION $version_string\)/;
+  $data =~ s/set \(CTEST_SOURCE_VERSEXT .*\)/set \(CTEST_SOURCE_VERSEXT $sub_rel_ver_str\)/;
+
+  write_file($HDF5CONFIGCMAKE, $data);  
+}
+
+
+# Update the tools/test/h5repack/testfiles/h5repack_layout.h5-plugin_version_test.ddl file
+if ($REPACK_LAYOUT_PLUGIN_VERSION) {
+  my $data = read_file($REPACK_LAYOUT_PLUGIN_VERSION);
+  my $version_string = sprintf("%d %d %d", @newver[0,1,2]);
+
+  $data =~ s/            PARAMS { 9 \d* \d* \d* }/            PARAMS { 9 $version_string }/g;
+
+  write_file($REPACK_LAYOUT_PLUGIN_VERSION, $data);
+}
+
+# helper function to read the file for updating c++/src/cpp_doc_config, 
+# config/cmake/scripts/HDF5Config.cmake, and java files.
 # The version string in that file is not at the top, so the string replacement
 # is not for the first line, and reading/writing the entire file as one string
 # facilitates the substring replacement.
+#Presumably these will also work for resetting the version in HDF5config.cmake.
 sub read_file {
    my ($filename) = @_;
 
@@ -350,7 +386,8 @@ sub read_file {
     return $all;
 }
 
-# helper function to write the file for updating c++/src/cpp_doc_config file.
+# helper function to write the file for updating c++/src/cpp_doc_config, 
+# config/cmake/scripts/HDF5config.cmake and java files.
 sub write_file {
     my ($filename, $content) = @_;
 
diff --git a/bin/release b/bin/release
index 0ac9986..cb7a2fe 100755
--- a/bin/release
+++ b/bin/release
@@ -55,8 +55,13 @@ for compressing the resulting tar archive (if none are given then
 
     tar		-- use tar and don't do any compressing.
     gzip	-- use gzip with "-9" and append ".gz" to the output name.
+    cmake-tgz   -- create a tar file using the gzip default level with a build-unix.sh 
+                   command file and all other CMake files needed to build HDF5 source
+                   using CMake on unix machines.
     bzip2       -- use bzip2 with "-9" and append ".bz2" to the output name.
     zip		-- convert all text files to DOS style and form a zip file for Windows use.
+    cmake-zip   -- convert all text files to DOS style and create a zip file inluding cmake
+                   scripts and .bat files to build HDF5 source using CMake on Windows. 
     doc         -- produce the latest doc tree in addition to the archive.
 
 An md5 checksum is produced for each archive created and stored in the md5 file.
@@ -93,9 +98,9 @@ EOF
 # Modifications
 #
 # Steps:
-# 1. untar the tarball in a temporay directory;
+# 1. untar the tarball in a temporary directory;
 #    Note: do this in a temporary directory to avoid changing
-#    the original source directory which maybe around.
+#    the original source directory which may be around.
 # 2. convert all its text files to DOS (LF-CR) style;
 # 3. form a zip file which is usable by Windows users.
 #
@@ -112,7 +117,7 @@ tar2zip()
 	echo "usage: tar2zip <tarfilename> <zipfilename>"
 	return 1
     fi
-    ztmpdir=/tmp/tmpdir$$
+    ztmpdir=/tmp/ztmpdir$$
     mkdir -p $ztmpdir
     version=$1
     tarfile=$2
@@ -151,9 +156,180 @@ tar2zip()
     rm -rf $ztmpdir
 }
 
+# Function name: tar2cmakezip
+# Convert the release tarball to a Windows zipball with files to run CMake build.
+#
+# Programmer: Larry Knox
+# Creation date: 2017-02-20
+#
+# Modifications
+#
+# Steps:
+# 1. untar the tarball in a temporary directory;
+#    Note: do this in a temporary directory to avoid changing
+#    the original source directory which may be around.
+# 2. add build-unix.sh script.
+# 3. add SZIP.tar.gz, ZLib.tar.gz and cmake files to top level directory.
+# 4. create gzipped tar file with these contents:
+#        build-unix.sh          script
+#        hdf5-<version>         source code directory extracted from tar file
+#        CTestScript.cmake      cmake file copied from <hdf5 source code>/config/cmake/scripts
+#        HDF5config.cmake       cmake file copied from <hdf5 source code>/config/cmake/scripts
+#        HDF5options.cmake      cmake file copied from <hdf5 source code>/config/cmake/scripts
+#        SZip.tar.gz            copied from /mnt/scr1/pre-release/hdf5/CMake
+#        ZLib.tar.gz            copied from /mnt/scr1/pre-release/hdf5/CMake
+
+
+# Parameters:
+# $1 version
+# $2 release tarball
+# $3 output zipball file name
+#
+# Returns 0 if successful; 1 otherwise
+#
+ # need function to create another temporary directory, extract the
+            
+            # CTestScript.cmake, HDF5config.cmake, SZIP.tar.gz and ZLib.tar.gz,
+             # and then tar.gz it.
+tar2cmakezip()
+{
+    if [ $# -ne 3 ]; then
+	echo "usage: tar2cmakezip <tarfilename> <zipfilename>"
+	return 1
+    fi
+    cmziptmpdir=/tmp/cmziptmpdir
+    cmziptmpsubdir=$cmziptmpdir/CMake-$HDF5_VERS
+    mkdir -p $cmziptmpsubdir
+    version=$1
+    tarfile=$2
+    zipfile=$3
+
+    # step 1: untar tarball in cmgztmpdir
+    (cd $cmziptmpsubdir; tar xf -) < $tarfile
+    # sanity check
+    if [ ! -d $cmziptmpsubdir/$version ]; then
+	echo "untar did not create $cmziptmpsubdir/$version source dir"
+	# cleanup
+	rm -rf $cmziptmpdir
+	return 1
+    fi
+
+    # step 2: add batch file for building CMake on window
+    (cd $cmziptmpsubdir; echo "ctest -S HDF5config.cmake,BUILD_GENERATOR=VS2012 -C Release -V -O hdf5.log" > build-VS2012-32.bat; chmod 755 build-VS2012-32.bat)
+    (cd $cmziptmpsubdir; echo "ctest -S HDF5config.cmake,BUILD_GENERATOR=VS201264 -C Release -V -O hdf5.log" > build-VS2012-64.bat; chmod 755 build-VS2012-64.bat)
+    (cd $cmziptmpsubdir; echo "ctest -S HDF5config.cmake,BUILD_GENERATOR=VS2013 -C Release -V -O hdf5.log" > build-VS2013-32.bat; chmod 755 build-VS2013-32.bat)
+    (cd $cmziptmpsubdir; echo "ctest -S HDF5config.cmake,BUILD_GENERATOR=VS201364 -C Release -V -O hdf5.log" > build-VS2013-64.bat; chmod 755 build-VS2013-64.bat)
+    (cd $cmziptmpsubdir; echo "ctest -S HDF5config.cmake,BUILD_GENERATOR=VS2015 -C Release -V -O hdf5.log" > build-VS2015-32.bat; chmod 755 build-VS2015-32.bat)
+    (cd $cmziptmpsubdir; echo "ctest -S HDF5config.cmake,BUILD_GENERATOR=VS201564 -C Release -V -O hdf5.log" > build-VS2015-64.bat; chmod 755 build-VS2015-32.bat)
+
+    # step 3: add SZIP.tar.gz, ZLib.tar.gz and cmake files
+    cp /mnt/scr1/pre-release/hdf5/CMake/SZip.tar.gz $cmziptmpsubdir
+    cp /mnt/scr1/pre-release/hdf5/CMake/ZLib.tar.gz $cmziptmpsubdir
+    cp $cmziptmpsubdir/$version/config/cmake/scripts/CTestScript.cmake $cmziptmpsubdir
+    cp $cmziptmpsubdir/$version/config/cmake/scripts/HDF5config.cmake $cmziptmpsubdir
+    cp $cmziptmpsubdir/$version/config/cmake/scripts/HDF5options.cmake $cmziptmpsubdir
+
+    # step 4: convert text files
+    # There maybe a simpler way to do this.
+    # options used in unix2dos:
+    # -k   Keep the date stamp 
+    # -q   quiet mode
+    # grep redirect output to /dev/null because -q or -s are not portable.
+    find $cmziptmpsubdir/$version | \
+	while read inf; do \
+	    if file $inf | grep "$inf\: .*text" > /dev/null 2>&1 ; then \
+		unix2dos -q -k $inf; \
+	    fi\
+	done
+    # step 3: make zipball
+    # -9 maximum compression
+    # -y Store symbolic links as such in the zip archive
+    # -r recursive
+    # -q quiet
+    (cd $cmziptmpdir; zip -9 -y -r -q CMake-$version.zip *)
+    mv $cmziptmpdir/CMake-$version.zip $zipfile
+
+    # cleanup
+    rm -rf $cmziptmpdir
+}
+
+# Function name: tar2cmaketgz
+# Convert the release tarball to a Windows zipball with files to run CMake build.
+#
+# Programmer: Larry Knox
+# Creation date: 2017-02-20
+#
+# Modifications
+#
+# Steps:
+# 1. untar the tarball in a temporary directory;
+#    Note: do this in a temporary directory to avoid changing
+#    the original source directory which may be around.
+# 2. add build-unix.sh script.
+# 3. add SZIP.tar.gz, ZLib.tar.gz and cmake files to top level directory.
+# 4. create gzipped tar file with these contents:
+#        build-unix.sh          script
+#        hdf5-<version>         source code directory extracted from tar file
+#        CTestScript.cmake      cmake file copied from <hdf5 source code>/config/cmake/scripts
+#        HDF5config.cmake       cmake file copied from <hdf5 source code>/config/cmake/scripts
+#        HDF5options.cmake      cmake file copied from <hdf5 source code>/config/cmake/scripts
+#        SZip.tar.gz            copied from /mnt/scr1/pre-release/hdf5/CMake
+#        ZLib.tar.gz            copied from /mnt/scr1/pre-release/hdf5/CMake
+
+
+# Parameters:
+# $1 version
+# $2 release tarball
+# $3 output zipball file name
+#
+# Returns 0 if successful; 1 otherwise
+#
+ # need function to create another temporary directory, extract the
+            # $tmpdir/$HDF5_VERS.tar into it, add (create) build-unix.sh,
+            # CTestScript.cmake, HDF5config.cmake, SZIP.tar.gz and ZLib.tar.gz,
+             # and then tar.gz it.
+tar2cmaketgz()
+{
+    if [ $# -ne 3 ]; then
+	echo "usage: tar2cmaketgz <tarfilename> <tgzfilename>"
+	return 1
+    fi
+    cmgztmpdir=/tmp/cmgztmpdir$$
+    cmgztmpsubdir=$cmgztmpdir/CMake-$HDF5_VERS
+    mkdir -p $cmgztmpsubdir
+    version=$1
+    tarfile=$2
+    tgzfile=$3
+
+    # step 1: untar tarball in cmgztmpdir
+    (cd $cmgztmpsubdir; tar xf -) < $tarfile
+    # sanity check
+    if [ ! -d $cmgztmpsubdir/$version ]; then
+	echo "untar did not create $cmgztmpdir/$version source dir"
+	# cleanup
+	rm -rf $cmgztmpdir
+	return 1
+    fi
+
+
+    # step 2: add build-unix.sh script
+    (cd $cmgztmpsubdir; echo "ctest -S HDF5config.cmake,BUILD_GENERATOR=Unix -C Release -V -O hdf5.log" > build-unix.sh; chmod 755 build-unix.sh)
+
+    # step 3: add SZIP.tar.gz, ZLib.tar.gz and cmake files
+    cp /mnt/scr1/pre-release/hdf5/CMake/SZip.tar.gz $cmgztmpsubdir
+    cp /mnt/scr1/pre-release/hdf5/CMake/ZLib.tar.gz $cmgztmpsubdir
+    cp $cmgztmpsubdir/$version/config/cmake/scripts/CTestScript.cmake $cmgztmpsubdir
+    cp $cmgztmpsubdir/$version/config/cmake/scripts/HDF5config.cmake $cmgztmpsubdir
+    cp $cmgztmpsubdir/$version/config/cmake/scripts/HDF5options.cmake $cmgztmpsubdir
+    tar czf $DEST/CMake-$HDF5_VERS.tar.gz -C $cmgztmpdir . || exit 1 
+                 
+    # cleanup
+    rm -rf $cmgztmpdir
+}
+
 # This command must be run at the top level of the hdf5 source directory.
 # Verify this requirement.
-if [ ! \( -f configure -a -f bin/release \) ]; then
+if [ ! \( -f configure.ac -a -f bin/release \) ]; then
     echo "$0 must be run at the top level of the hdf5 source directory"
     exit 1
 fi
@@ -171,6 +347,15 @@ pmode='no'
 tmpdir="../#release_tmp.$$"	# tmp work directory
 DOC_URL=https://git@bitbucket.hdfgroup.org/scm/hdffv/hdf5doc.git
 CPPLUS_RM_NAME=cpplus_RM
+MAINT_MODE_ENABLED=""
+
+# If maintainer mode is enabled in configure, it should be disabled for release,
+# and enabled again after release files have been created.  If already disabled
+# there's no need to do either.
+MAINT_MODE_ENABLED=`grep ^AM_MAINTAINER_MODE ./configure.ac | grep enable`
+if [ "${MAINT_MODE_ENABLED}" != "" ]; then
+    bin/switch_maint_mode -disable ./configure.ac
+fi
 
 # Restore previous Version information
 RESTORE_VERSION()
@@ -245,6 +430,7 @@ if [ X$pmode = Xyes ]; then
     # (h5vers does not correctly handle just m.n.r-$today.)
     VERS=`echo $VERS | sed -e s/-.*//`-of$today
     echo Private release of $VERS
+else
     bin/h5vers -s $VERS
 fi
 
@@ -314,6 +500,11 @@ for comp in $methods; do
 	    gzip -9 <$tmpdir/$HDF5_VERS.tar >$DEST/$HDF5_VERS.tar.gz
 	    (cd $DEST; md5sum $HDF5_VERS.tar.gz >> $MD5file) 
 	    ;;
+        cmake-tgz)
+	    test "$verbose" && echo "   Creating CMake tar.gz file..." 1>&2
+	    tar2cmaketgz $HDF5_VERS $tmpdir/$HDF5_VERS.tar $DEST/CMake-$HDF5_VERS.tar.gz 1>&2
+	    (cd $DEST; md5sum CMake-$HDF5_VERS.tar.gz >> $MD5file) 
+            ;;
 	bzip2)
 	    test "$verbose" && echo "   Running bzip2..." 1>&2
 	    bzip2 -9 <$tmpdir/$HDF5_VERS.tar >$DEST/$HDF5_VERS.tar.bz2
@@ -324,22 +515,27 @@ for comp in $methods; do
 	    tar2zip $HDF5_VERS $tmpdir/$HDF5_VERS.tar $DEST/$HDF5_VERS.zip 1>&2
 	    (cd $DEST; md5sum $HDF5_VERS.zip >> $MD5file) 
 	    ;;
+        cmake-zip)
+            test "$verbose" && echo "   Creating CMake-zip ball..." 1>&2
+            tar2cmakezip $HDF5_VERS $tmpdir/$HDF5_VERS.tar $DEST/CMake-$HDF5_VERS.zip 1>&2
+            (cd $DEST; md5sum CMake-$HDF5_VERS.zip >> $MD5file)
+            ;;
 	doc)
             if [ "${DOCVERSION}" = "" ]; then
                 DOCVERSION=master
             fi
 	    test "$verbose" && echo "   Creating docs..." 1>&2
 	    # Check out docs from git repo
-	    (cd $tmpdir; git clone -q $DOC_URL ${DOCVERSION} ) || exit 1
-	    # Create doxygen C++ RM
+	    (cd $tmpdir; git clone -q $DOC_URL ${DOCVERSION} > /dev/null) || exit 1
+            # Create doxygen C++ RM
 	    (cd c++/src && doxygen cpp_doc_config > /dev/null ) || exit 1
 	    # Replace version of C++ RM with just-created version
-            rm -rf $tmpdir/${DOCVERSION}/html/$CPPLUS_RM_NAME
-            mv c++/src/$CPPLUS_RM_NAME $tmpdir/${DOCVERSION}/html/$CPPLUS_RM_NAME
+	    rm -rf $tmpdir/${DOCVERSION}/html/$CPPLUS_RM_NAME || exit 1
+	    mv c++/src/$CPPLUS_RM_NAME $tmpdir/${DOCVERSION}/html/$CPPLUS_RM_NAME || exit 1
             # Compress the docs and move them to the release area
-            mv $tmpdir/$DOCVERSION $tmpdir/${HDF5_VERS}_docs
-	    (cd $tmpdir && tar cf ${HDF5_VERS}_docs.tar ${HDF5_VERS}_docs)
-	    mv $tmpdir/${HDF5_VERS}_docs.tar $DEST
+	    mv $tmpdir/${DOCVERSION} $tmpdir/${HDF5_VERS}_docs || exit 1
+	    (cd $tmpdir && tar cf ${HDF5_VERS}_docs.tar ${HDF5_VERS}_docs) || exit 1
+	    mv $tmpdir/${HDF5_VERS}_docs.tar $DEST || exit 1
 	    ;;
 	*)
 	    echo "***Error*** Unknown method $comp"
@@ -348,6 +544,12 @@ for comp in $methods; do
     esac
 done
 
+# If AM_MAINTAINER_MODE was enabled before running this script
+# restore it to "enabled".
+if [ "${MAINT_MODE_ENABLED}" != "" ]; then
+    bin/switch_maint_mode -enable ./configure.ac
+fi
+
 # Copy the RELEASE.txt to the release area.
 cp release_docs/RELEASE.txt $DEST/$HDF5_VERS-RELEASE.txt
 
diff --git a/c++/src/Makefile.in b/c++/src/Makefile.in
index 6f1bc29..f2961a4 100644
--- a/c++/src/Makefile.in
+++ b/c++/src/Makefile.in
@@ -689,9 +689,9 @@ LT_CXX_VERS_AGE = 0
 LT_F_VERS_INTERFACE = 10
 LT_F_VERS_REVISION = 4
 LT_F_VERS_AGE = 0
-LT_HL_VERS_INTERFACE = 11
-LT_HL_VERS_REVISION = 1
-LT_HL_VERS_AGE = 1
+LT_HL_VERS_INTERFACE = 12
+LT_HL_VERS_REVISION = 0
+LT_HL_VERS_AGE = 2
 LT_HL_CXX_VERS_INTERFACE = 12
 LT_HL_CXX_VERS_REVISION = 0
 LT_HL_CXX_VERS_AGE = 1
diff --git a/c++/src/cpp_doc_config b/c++/src/cpp_doc_config
index b94fe2a..3c95721 100644
--- a/c++/src/cpp_doc_config
+++ b/c++/src/cpp_doc_config
@@ -49,7 +49,7 @@ PROJECT_NAME           = "HDF5 C++ API"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "1.8.19-snap4 currently under development"
+PROJECT_NUMBER         = "1.8.20-snap0, currently under development"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/config/cmake/scripts/HDF5config.cmake b/config/cmake/scripts/HDF5config.cmake
index eb79996..b1ac833 100755
--- a/config/cmake/scripts/HDF5config.cmake
+++ b/config/cmake/scripts/HDF5config.cmake
@@ -37,8 +37,8 @@ cmake_minimum_required (VERSION 3.2.2 FATAL_ERROR)
 #     NO_MAC_FORTRAN  - Yes to be SHARED on a Mac
 ##############################################################################
 
-set (CTEST_SOURCE_VERSION 1.8.19)
-set (CTEST_SOURCE_VERSEXT "")
+set (CTEST_SOURCE_VERSION "1.8.20")
+set (CTEST_SOURCE_VERSEXT "-snap0")
 
 ##############################################################################
 # handle input parameters to script.
diff --git a/config/lt_vers.am b/config/lt_vers.am
index 1f79c56..9612772 100644
--- a/config/lt_vers.am
+++ b/config/lt_vers.am
@@ -47,9 +47,9 @@ LT_F_VERS_INTERFACE = 10
 LT_F_VERS_REVISION = 4
 LT_F_VERS_AGE = 0
 
-LT_HL_VERS_INTERFACE = 11
-LT_HL_VERS_REVISION = 1
-LT_HL_VERS_AGE = 1
+LT_HL_VERS_INTERFACE = 12
+LT_HL_VERS_REVISION = 0
+LT_HL_VERS_AGE = 2
 
 LT_HL_CXX_VERS_INTERFACE = 12
 LT_HL_CXX_VERS_REVISION = 0
diff --git a/configure b/configure
index 6e87f81..f58637d 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 # From configure.ac Id.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for HDF5 1.8.19-snap4.
+# Generated by GNU Autoconf 2.69 for HDF5 1.8.20-snap0.
 #
 # Report bugs to <help@hdfgroup.org>.
 #
@@ -591,8 +591,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='HDF5'
 PACKAGE_TARNAME='hdf5'
-PACKAGE_VERSION='1.8.19-snap4'
-PACKAGE_STRING='HDF5 1.8.19-snap4'
+PACKAGE_VERSION='1.8.20-snap0'
+PACKAGE_STRING='HDF5 1.8.20-snap0'
 PACKAGE_BUGREPORT='help@hdfgroup.org'
 PACKAGE_URL=''
 
@@ -1476,7 +1476,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures HDF5 1.8.19-snap4 to adapt to many kinds of systems.
+\`configure' configures HDF5 1.8.20-snap0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1546,7 +1546,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of HDF5 1.8.19-snap4:";;
+     short | recursive ) echo "Configuration of HDF5 1.8.20-snap0:";;
    esac
   cat <<\_ACEOF
 
@@ -1741,7 +1741,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-HDF5 configure 1.8.19-snap4
+HDF5 configure 1.8.20-snap0
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2678,7 +2678,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by HDF5 $as_me 1.8.19-snap4, which was
+It was created by HDF5 $as_me 1.8.20-snap0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3549,7 +3549,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='hdf5'
- VERSION='1.8.19-snap4'
+ VERSION='1.8.20-snap0'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -29295,7 +29295,7 @@ Usage: $0 [OPTIONS]
 Report bugs to <bug-libtool@gnu.org>."
 
 lt_cl_version="\
-HDF5 config.lt 1.8.19-snap4
+HDF5 config.lt 1.8.20-snap0
 configured by $0, generated by GNU Autoconf 2.69.
 
 Copyright (C) 2011 Free Software Foundation, Inc.
@@ -31330,7 +31330,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by HDF5 $as_me 1.8.19-snap4, which was
+This file was extended by HDF5 $as_me 1.8.20-snap0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -31396,7 +31396,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-HDF5 config.status 1.8.19-snap4
+HDF5 config.status 1.8.20-snap0
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 699fb78..dc2265f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@ AC_PREREQ([2.69])
 ## NOTE: Do not forget to change the version number here when we do a
 ## release!!!
 ##
-AC_INIT([HDF5], [1.8.19-snap4], [help@hdfgroup.org])
+AC_INIT([HDF5], [1.8.20-snap0], [help@hdfgroup.org])
 AC_CONFIG_SRCDIR([src/H5.c])
 AC_CONFIG_HEADERS([src/H5config.h])
 
diff --git a/fortran/src/Makefile.in b/fortran/src/Makefile.in
index 5144906..0494278 100644
--- a/fortran/src/Makefile.in
+++ b/fortran/src/Makefile.in
@@ -741,9 +741,9 @@ LT_CXX_VERS_AGE = 0
 LT_F_VERS_INTERFACE = 10
 LT_F_VERS_REVISION = 4
 LT_F_VERS_AGE = 0
-LT_HL_VERS_INTERFACE = 11
-LT_HL_VERS_REVISION = 1
-LT_HL_VERS_AGE = 1
+LT_HL_VERS_INTERFACE = 12
+LT_HL_VERS_REVISION = 0
+LT_HL_VERS_AGE = 2
 LT_HL_CXX_VERS_INTERFACE = 12
 LT_HL_CXX_VERS_REVISION = 0
 LT_HL_CXX_VERS_AGE = 1
diff --git a/hl/c++/src/Makefile.in b/hl/c++/src/Makefile.in
index 2366700..cd0fe7a 100644
--- a/hl/c++/src/Makefile.in
+++ b/hl/c++/src/Makefile.in
@@ -680,9 +680,9 @@ LT_CXX_VERS_AGE = 0
 LT_F_VERS_INTERFACE = 10
 LT_F_VERS_REVISION = 4
 LT_F_VERS_AGE = 0
-LT_HL_VERS_INTERFACE = 11
-LT_HL_VERS_REVISION = 1
-LT_HL_VERS_AGE = 1
+LT_HL_VERS_INTERFACE = 12
+LT_HL_VERS_REVISION = 0
+LT_HL_VERS_AGE = 2
 LT_HL_CXX_VERS_INTERFACE = 12
 LT_HL_CXX_VERS_REVISION = 0
 LT_HL_CXX_VERS_AGE = 1
diff --git a/hl/fortran/src/Makefile.in b/hl/fortran/src/Makefile.in
index 42d9d2e..62cfdf0 100644
--- a/hl/fortran/src/Makefile.in
+++ b/hl/fortran/src/Makefile.in
@@ -698,9 +698,9 @@ LT_CXX_VERS_AGE = 0
 LT_F_VERS_INTERFACE = 10
 LT_F_VERS_REVISION = 4
 LT_F_VERS_AGE = 0
-LT_HL_VERS_INTERFACE = 11
-LT_HL_VERS_REVISION = 1
-LT_HL_VERS_AGE = 1
+LT_HL_VERS_INTERFACE = 12
+LT_HL_VERS_REVISION = 0
+LT_HL_VERS_AGE = 2
 LT_HL_CXX_VERS_INTERFACE = 12
 LT_HL_CXX_VERS_REVISION = 0
 LT_HL_CXX_VERS_AGE = 1
diff --git a/hl/src/H5LTparse.c b/hl/src/H5LTparse.c
index 2a0f267..16a0bcf 100644
--- a/hl/src/H5LTparse.c
+++ b/hl/src/H5LTparse.c
@@ -1641,229 +1641,229 @@ yyreduce:
   switch (yyn)
     {
         case 2:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 99 "H5LTparse.y"
     { memset(arr_stack, 0, STACK_SIZE*sizeof(struct arr_info)); /*initialize here?*/ }
     break;
 
   case 3:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 100 "H5LTparse.y"
     { return (yyval.hid);}
     break;
 
   case 13:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 114 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I8BE); }
     break;
 
   case 14:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 115 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I8LE); }
     break;
 
   case 15:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 116 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I16BE); }
     break;
 
   case 16:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 117 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I16LE); }
     break;
 
   case 17:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 118 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I32BE); }
     break;
 
   case 18:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 119 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I32LE); }
     break;
 
   case 19:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 120 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I64BE); }
     break;
 
   case 20:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 121 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I64LE); }
     break;
 
   case 21:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 122 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U8BE); }
     break;
 
   case 22:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 123 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U8LE); }
     break;
 
   case 23:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 124 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U16BE); }
     break;
 
   case 24:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 125 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U16LE); }
     break;
 
   case 25:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 126 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U32BE); }
     break;
 
   case 26:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 127 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U32LE); }
     break;
 
   case 27:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 128 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U64BE); }
     break;
 
   case 28:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 129 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U64LE); }
     break;
 
   case 29:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 130 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_CHAR); }
     break;
 
   case 30:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 131 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_SCHAR); }
     break;
 
   case 31:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 132 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_UCHAR); }
     break;
 
   case 32:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 133 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_SHORT); }
     break;
 
   case 33:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 134 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_USHORT); }
     break;
 
   case 34:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 135 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_INT); }
     break;
 
   case 35:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 136 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_UINT); }
     break;
 
   case 36:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 137 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_LONG); }
     break;
 
   case 37:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 138 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_ULONG); }
     break;
 
   case 38:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 139 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_LLONG); }
     break;
 
   case 39:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 140 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_ULLONG); }
     break;
 
   case 40:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 143 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_IEEE_F32BE); }
     break;
 
   case 41:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 144 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_IEEE_F32LE); }
     break;
 
   case 42:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 145 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_IEEE_F64BE); }
     break;
 
   case 43:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 146 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_IEEE_F64LE); }
     break;
 
   case 44:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 147 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_FLOAT); }
     break;
 
   case 45:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 148 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_DOUBLE); }
     break;
 
   case 46:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 149 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_LDOUBLE); }
     break;
 
   case 47:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 153 "H5LTparse.y"
     { csindex++; cmpd_stack[csindex].id = H5Tcreate(H5T_COMPOUND, 1); /*temporarily set size to 1*/ }
     break;
 
   case 48:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 155 "H5LTparse.y"
     { (yyval.hid) = cmpd_stack[csindex].id; 
                               cmpd_stack[csindex].id = 0;
@@ -1873,13 +1873,13 @@ yyreduce:
     break;
 
   case 51:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 164 "H5LTparse.y"
     { cmpd_stack[csindex].is_field = 1; /*notify lexer a compound member is parsed*/ }
     break;
 
   case 52:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 166 "H5LTparse.y"
     {   
                             size_t origin_size, new_size;
@@ -1915,7 +1915,7 @@ yyreduce:
     break;
 
   case 53:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 199 "H5LTparse.y"
     {
                             (yyval.sval) = yylval.sval;
@@ -1923,25 +1923,25 @@ yyreduce:
     break;
 
   case 54:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 204 "H5LTparse.y"
     { (yyval.ival) = 0; }
     break;
 
   case 55:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 206 "H5LTparse.y"
     { (yyval.ival) = yylval.ival; }
     break;
 
   case 57:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 210 "H5LTparse.y"
     { asindex++; /*pushd onto the stack*/ }
     break;
 
   case 58:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 212 "H5LTparse.y"
     { 
                           (yyval.hid) = H5Tarray_create2((yyvsp[(5) - (6)].hid), arr_stack[asindex].ndims, arr_stack[asindex].dims);
@@ -1952,13 +1952,13 @@ yyreduce:
     break;
 
   case 61:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 222 "H5LTparse.y"
     { arr_stack[asindex].is_dim = 1; /*notice lexer of dimension size*/ }
     break;
 
   case 62:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 223 "H5LTparse.y"
     { unsigned ndims = arr_stack[asindex].ndims;
                                   arr_stack[asindex].dims[ndims] = (hsize_t)yylval.ival; 
@@ -1968,19 +1968,19 @@ yyreduce:
     break;
 
   case 65:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 234 "H5LTparse.y"
     { (yyval.hid) = H5Tvlen_create((yyvsp[(3) - (4)].hid)); H5Tclose((yyvsp[(3) - (4)].hid)); }
     break;
 
   case 66:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 239 "H5LTparse.y"
     { is_opq_size = 1; }
     break;
 
   case 67:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 240 "H5LTparse.y"
     {   
                                 size_t size = (size_t)yylval.ival;
@@ -1990,13 +1990,13 @@ yyreduce:
     break;
 
   case 68:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 245 "H5LTparse.y"
     { is_opq_tag = 1; }
     break;
 
   case 69:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 246 "H5LTparse.y"
     {  
                                 H5Tset_tag((yyvsp[(7) - (13)].hid), yylval.sval);
@@ -2005,19 +2005,19 @@ yyreduce:
     break;
 
   case 70:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 250 "H5LTparse.y"
     { (yyval.hid) = (yyvsp[(7) - (15)].hid); }
     break;
 
   case 73:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 258 "H5LTparse.y"
     { is_str_size = 1; }
     break;
 
   case 74:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 259 "H5LTparse.y"
     {  
                                 if((yyvsp[(5) - (6)].ival) == H5T_VARIABLE_TOKEN)
@@ -2029,7 +2029,7 @@ yyreduce:
     break;
 
   case 75:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 267 "H5LTparse.y"
     {
                                 if((yyvsp[(9) - (10)].ival) == H5T_STR_NULLTERM_TOKEN)
@@ -2042,7 +2042,7 @@ yyreduce:
     break;
 
   case 76:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 276 "H5LTparse.y"
     {  
                                 if((yyvsp[(13) - (14)].ival) == H5T_CSET_ASCII_TOKEN)
@@ -2053,7 +2053,7 @@ yyreduce:
     break;
 
   case 77:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 283 "H5LTparse.y"
     {
                                 if((yyvsp[(17) - (18)].hid) == H5T_C_S1_TOKEN)
@@ -2064,7 +2064,7 @@ yyreduce:
     break;
 
   case 78:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 290 "H5LTparse.y"
     {   
                                 hid_t str_id = (yyvsp[(19) - (20)].hid);
@@ -2085,67 +2085,67 @@ yyreduce:
     break;
 
   case 79:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 307 "H5LTparse.y"
     {(yyval.ival) = H5T_VARIABLE_TOKEN;}
     break;
 
   case 81:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 310 "H5LTparse.y"
     {(yyval.ival) = H5T_STR_NULLTERM_TOKEN;}
     break;
 
   case 82:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 311 "H5LTparse.y"
     {(yyval.ival) = H5T_STR_NULLPAD_TOKEN;}
     break;
 
   case 83:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 312 "H5LTparse.y"
     {(yyval.ival) = H5T_STR_SPACEPAD_TOKEN;}
     break;
 
   case 84:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 314 "H5LTparse.y"
     {(yyval.ival) = H5T_CSET_ASCII_TOKEN;}
     break;
 
   case 85:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 315 "H5LTparse.y"
     {(yyval.ival) = H5T_CSET_UTF8_TOKEN;}
     break;
 
   case 86:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 317 "H5LTparse.y"
     {(yyval.hid) = H5T_C_S1_TOKEN;}
     break;
 
   case 87:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 318 "H5LTparse.y"
     {(yyval.hid) = H5T_FORTRAN_S1_TOKEN;}
     break;
 
   case 88:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 322 "H5LTparse.y"
     { is_enum = 1; enum_id = H5Tenum_create((yyvsp[(3) - (4)].hid)); H5Tclose((yyvsp[(3) - (4)].hid)); }
     break;
 
   case 89:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 324 "H5LTparse.y"
     { is_enum = 0; /*reset*/ (yyval.hid) = enum_id; }
     break;
 
   case 92:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 329 "H5LTparse.y"
     {
                                                 is_enum_memb = 1; /*indicate member of enum*/
@@ -2158,7 +2158,7 @@ yyreduce:
     break;
 
   case 93:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 338 "H5LTparse.y"
     {
                                 char char_val=(char)yylval.ival;
@@ -2205,7 +2205,7 @@ yyreduce:
     break;
 
 
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 2191 "H5LTparse.c"
       default: break;
     }
diff --git a/hl/src/H5LTparse.h b/hl/src/H5LTparse.h
index 2af0172..7481a45 100644
--- a/hl/src/H5LTparse.h
+++ b/hl/src/H5LTparse.h
@@ -109,7 +109,7 @@ extern int H5LTyydebug;
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
 {
-/* Line 2065 of yacc.c  */
+/* Line 2058 of yacc.c  */
 #line 66 "H5LTparse.y"
 
     int     ival;         /*for integer token*/
@@ -117,7 +117,7 @@ typedef union YYSTYPE
     hid_t   hid;          /*for hid_t token*/
 
 
-/* Line 2065 of yacc.c  */
+/* Line 2058 of yacc.c  */
 #line 122 "H5LTparse.h"
 } YYSTYPE;
 # define YYSTYPE_IS_TRIVIAL 1
diff --git a/hl/src/Makefile.in b/hl/src/Makefile.in
index 212775d..f49844d 100644
--- a/hl/src/Makefile.in
+++ b/hl/src/Makefile.in
@@ -679,9 +679,9 @@ LT_CXX_VERS_AGE = 0
 LT_F_VERS_INTERFACE = 10
 LT_F_VERS_REVISION = 4
 LT_F_VERS_AGE = 0
-LT_HL_VERS_INTERFACE = 11
-LT_HL_VERS_REVISION = 1
-LT_HL_VERS_AGE = 1
+LT_HL_VERS_INTERFACE = 12
+LT_HL_VERS_REVISION = 0
+LT_HL_VERS_AGE = 2
 LT_HL_CXX_VERS_INTERFACE = 12
 LT_HL_CXX_VERS_REVISION = 0
 LT_HL_CXX_VERS_AGE = 1
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index e1c1573..139589f 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -1,4 +1,4 @@
-HDF5 version 1.8.19-snap4 currently under development
+HDF5 version 1.8.20-snap0 currently under development
 ================================================================================
 
 INTRODUCTION
diff --git a/src/H5public.h b/src/H5public.h
index 0f7beda..0e46778 100644
--- a/src/H5public.h
+++ b/src/H5public.h
@@ -92,10 +92,10 @@ extern "C" {
 /* Version numbers */
 #define H5_VERS_MAJOR	1	/* For major interface/format changes  	     */
 #define H5_VERS_MINOR	8	/* For minor interface/format changes  	     */
-#define H5_VERS_RELEASE	19	/* For tweaks, bug-fixes, or development     */
-#define H5_VERS_SUBRELEASE "snap4"	/* For pre-releases like snap0       */
+#define H5_VERS_RELEASE	20	/* For tweaks, bug-fixes, or development     */
+#define H5_VERS_SUBRELEASE "snap0"	/* For pre-releases like snap0       */
 				/* Empty string for real releases.           */
-#define H5_VERS_INFO    "HDF5 library version: 1.8.19-snap4"      /* Full version string */
+#define H5_VERS_INFO    "HDF5 library version: 1.8.20-snap0"      /* Full version string */
 
 #define H5check()	H5check_version(H5_VERS_MAJOR,H5_VERS_MINOR,	      \
 				        H5_VERS_RELEASE)
diff --git a/src/Makefile.in b/src/Makefile.in
index 847a245..06e169f 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -737,9 +737,9 @@ LT_CXX_VERS_AGE = 0
 LT_F_VERS_INTERFACE = 10
 LT_F_VERS_REVISION = 4
 LT_F_VERS_AGE = 0
-LT_HL_VERS_INTERFACE = 11
-LT_HL_VERS_REVISION = 1
-LT_HL_VERS_AGE = 1
+LT_HL_VERS_INTERFACE = 12
+LT_HL_VERS_REVISION = 0
+LT_HL_VERS_AGE = 2
 LT_HL_CXX_VERS_INTERFACE = 12
 LT_HL_CXX_VERS_REVISION = 0
 LT_HL_CXX_VERS_AGE = 1
diff --git a/tools/h5repack/testfiles/h5repack_layout.h5-plugin_version_test.ddl b/tools/h5repack/testfiles/h5repack_layout.h5-plugin_version_test.ddl
index 09b2484..4bdd7f8 100644
--- a/tools/h5repack/testfiles/h5repack_layout.h5-plugin_version_test.ddl
+++ b/tools/h5repack/testfiles/h5repack_layout.h5-plugin_version_test.ddl
@@ -11,7 +11,7 @@ GROUP "/" {
          USER_DEFINED_FILTER {
             FILTER_ID 260
             COMMENT dynlib4
-            PARAMS { 9 1 8 19 }
+            PARAMS { 9 1 8 20 }
          }
       }
       FILLVALUE {
@@ -33,7 +33,7 @@ GROUP "/" {
          USER_DEFINED_FILTER {
             FILTER_ID 260
             COMMENT dynlib4
-            PARAMS { 9 1 8 19 }
+            PARAMS { 9 1 8 20 }
          }
       }
       FILLVALUE {
@@ -55,7 +55,7 @@ GROUP "/" {
          USER_DEFINED_FILTER {
             FILTER_ID 260
             COMMENT dynlib4
-            PARAMS { 9 1 8 19 }
+            PARAMS { 9 1 8 20 }
          }
       }
       FILLVALUE {
@@ -77,7 +77,7 @@ GROUP "/" {
          USER_DEFINED_FILTER {
             FILTER_ID 260
             COMMENT dynlib4
-            PARAMS { 9 1 8 19 }
+            PARAMS { 9 1 8 20 }
          }
       }
       FILLVALUE {
@@ -99,7 +99,7 @@ GROUP "/" {
          USER_DEFINED_FILTER {
             FILTER_ID 260
             COMMENT dynlib4
-            PARAMS { 9 1 8 19 }
+            PARAMS { 9 1 8 20 }
          }
       }
       FILLVALUE {
@@ -121,7 +121,7 @@ GROUP "/" {
          USER_DEFINED_FILTER {
             FILTER_ID 260
             COMMENT dynlib4
-            PARAMS { 9 1 8 19 }
+            PARAMS { 9 1 8 20 }
          }
       }
       FILLVALUE {
@@ -143,7 +143,7 @@ GROUP "/" {
          USER_DEFINED_FILTER {
             FILTER_ID 260
             COMMENT dynlib4
-            PARAMS { 9 1 8 19 }
+            PARAMS { 9 1 8 20 }
          }
       }
       FILLVALUE {
-- 
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