src-release.sh - binutils-gdb - Git at Google

 #!/usr/bin/env bash
 #   Copyright (C) 1990-2024 Free Software Foundation
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #

 # This script creates release packages for gdb, binutils, and other
 # packages which live in src.  It used to be implemented as the src-release
 # Makefile and prior to that was part of the top level Makefile, but that
 # turned out to be very messy and hard to maintain.

 set -e

 BZIPPROG=bzip2
 GZIPPROG=gzip
 LZIPPROG=lzip
 XZPROG=xz
 ZSTDPROG=zstd
 SHA256PROG=sha256sum
 MAKE=make
 CC=gcc
 CXX=g++
 release_date=

 # Default to avoid splitting info files by setting the threshold high.
 MAKEINFOFLAGS=--split-size=5000000

 #
 # Support for building net releases

 # Files in root used in any net release.
 DEVO_SUPPORT="ar-lib ChangeLog compile config config-ml.in config.guess \
 	config.rpath config.sub configure configure.ac COPYING COPYING.LIB \
 	COPYING3 COPYING3.LIB depcomp install-sh libtool.m4 ltgcc.m4 \
 	ltmain.sh ltoptions.m4 ltsugar.m4 ltversion.m4 lt~obsolete.m4 \
 	MAINTAINERS Makefile.def Makefile.in Makefile.tpl missing mkdep \
 	mkinstalldirs move-if-change README README-maintainer-mode \
 	SECURITY.txt src-release.sh symlink-tree test-driver ylwrap \
         multilib.am"

 # Files in devo/etc used in any net release.
 ETC_SUPPORT="ChangeLog Makefile.am Makefile.in aclocal.m4 add-log.el \
 	add-log.vi configbuild.* configdev.* configure configure.ac \
 	configure.in configure.info* configure.texi fdl.texi gnu-oids.texi \
 	make-stds.texi standards.info* standards.texi texi2pod.pl \
 	update-copyright.py"

 # Get the version number of a given tool
 getver()
 {
     tool=$1
     if grep 'AC_INIT.*BFD_VERSION' $tool/configure.ac >/dev/null 2>&1; then
 	bfd/configure --version | sed -n -e '1s,.* ,,p'
     elif test -f $tool/common/create-version.sh; then
 	$tool/common/create-version.sh $tool 'dummy-host' 'dummy-target' VER.tmp
 	cat VER.tmp | grep 'version\[\]' | sed 's/.*"\([^"]*\)".*/\1/' | sed 's/-git$//'
         rm -f VER.tmp
     elif test $tool = "gdb"; then
 	./gdbsupport/create-version.sh $tool 'dummy-host' 'dummy-target' VER.tmp
 	cat VER.tmp | grep 'version\[\]' | sed 's/.*"\([^"]*\)".*/\1/' | sed 's/-git$//'
         rm -f VER.tmp
     elif test -f $tool/version.in; then
 	head -n 1 $tool/version.in
     else
 	echo VERSION
     fi
 }

 clean_sources()
 {
     # Check that neither staged nor unstaged changes of any tracked file remains.
     if [ -n "$(git status --porcelain -uno)" ]; then
         echo "There are uncommitted changes. Please commit or stash them."
         exit 1
     fi

     echo "==> Cleaning sources."

     # Remove all untracked files.
     git clean -fdx

     # Umask for any new file created by this script.
     umask 0022

     # Fix permissions of all tracked files and directories according to the previously set umask.
     echo "==> Fixing permissions."
     permreg=$(printf "%o" $((0666 & ~$(umask))))
     permexe=$(printf "%o" $((0777 & ~$(umask))))
     git ls-tree -rt --format "objectmode=%(objectmode) path=%(path)" HEAD | while read -r objectprop; do
         eval $objectprop
         case $objectmode in
             100644)
                 # regular file
                 chmod $permreg $path
                 ;;
             100755|040000)
                 # executable file or directory
                 chmod $permexe $path
                 ;;
             120000)
                 # symlink, do nothing, always lrwxrwxrwx.
                 ;;
             160000)
                 # submodule, currently do nothing
                 ;;
             *)
                 # unlikely, might be a future version of Git
                 echo unsupported object at $path
                 exit 1
                 ;;
         esac
     done
 }

 # Setup build directory for building release tarball
 do_proto_toplev()
 {
     package=$1
     ver=$2
     tool=$3
     support_files=$4

     clean_sources

     echo "==> Making $package-$ver/"
     # Take out texinfo from a few places.
     sed -e '/^all\.normal: /s/\all-texinfo //' \
 	-e '/^	install-texinfo /d' \
 	<Makefile.in >tmp
     mv -f tmp Makefile.in
     # configure.  --enable-gold is needed to ensure .c/.h from .y are
     # built in the gold dir.  The disables speed the build a little.
     enables=
     disables=
     for dir in binutils gas gdb gold gprof gprofng libsframe ld libctf libdecnumber readline sim; do
 	case " $tool $support_files " in
 	    *" $dir "*) enables="$enables --enable-$dir" ;;
 	    *) disables="$disables --disable-$dir" ;;
 	esac
     done
     echo "==> configure --target=i386-pc-linux-gnu $disables $enables"
     ./configure --target=i386-pc-linux-gnu $disables $enables
     $MAKE configure-host configure-target \
 	ALL_GCC="" ALL_GCC_C="" ALL_GCC_CXX="" \
 	CC_FOR_TARGET="$CC" CXX_FOR_TARGET="$CXX"
     # Make links, and run "make diststuff" or "make info" when needed.
     rm -rf proto-toplev
     mkdir proto-toplev
     dirs="$DEVO_SUPPORT $support_files $tool"
     for d in $dirs ; do
 	if [ -d $d ]; then
 	    if [ ! -f $d/Makefile ] ; then
 		true
 	    elif grep '^diststuff:' $d/Makefile >/dev/null ; then
 		(cd $d ; $MAKE MAKEINFOFLAGS="$MAKEINFOFLAGS" diststuff) \
 		    || exit 1
 	    elif grep '^info:' $d/Makefile >/dev/null ; then
 		(cd $d ; $MAKE MAKEINFOFLAGS="$MAKEINFOFLAGS" info) \
 		    || exit 1
 	    fi
 	    if [ -d $d/proto-$d.dir ]; then
 		ln -s ../$d/proto-$d.dir proto-toplev/$d
 	    else
 		ln -s ../$d proto-toplev/$d
 	    fi
 	else
 	    if (echo x$d | grep / >/dev/null); then
 		mkdir -p proto-toplev/`dirname $d`
 		x=`dirname $d`
 		ln -s ../`echo $x/ | sed -e 's,[^/]*/,../,g'`$d proto-toplev/$d
 	    else
 		ln -s ../$d proto-toplev/$d
 	    fi
 	fi
     done
     (cd etc; $MAKE MAKEINFOFLAGS="$MAKEINFOFLAGS" info)
     $MAKE distclean
     mkdir proto-toplev/etc
     (cd proto-toplev/etc;
 	for i in $ETC_SUPPORT; do
 	    ln -s ../../etc/$i .
 	done)
     #
     # Take out texinfo from configurable dirs
     rm proto-toplev/configure.ac
     sed -e '/^host_tools=/s/texinfo //' \
 	<configure.ac >proto-toplev/configure.ac
     #
     mkdir proto-toplev/texinfo
     ln -s ../../texinfo/texinfo.tex proto-toplev/texinfo/
     if test -r texinfo/util/tex3patch ; then
 	mkdir proto-toplev/texinfo/util && \
 	    ln -s ../../../texinfo/util/tex3patch proto-toplev/texinfo/util
     fi
     #
     # Create .gmo files from .po files.
     for f in `find . -name '*.po' -type f -print`; do
 	msgfmt -o `echo $f | sed -e 's/\.po$/.gmo/'` $f
     done
     #
     rm -f $package-$ver
     ln -s proto-toplev $package-$ver
 }

 CVS_NAMES='-name CVS -o -name .cvsignore'

 # Add a sha256sum to the built tarball
 do_sha256sum()
 {
     echo "==> Adding sha256 checksum to top-level directory"
     (cd proto-toplev && find * -follow \( $CVS_NAMES \) -prune \
 	-o -type f -print \
 	| xargs $SHA256PROG > ../sha256.new)
     rm -f proto-toplev/sha256.sum
     mv sha256.new proto-toplev/sha256.sum
 }

 # Build the release tarball
 do_tar()
 {
     package=$1
     ver=$2
     echo "==> Making $package-$ver.tar"
     rm -f $package-$ver.tar
     if test x$release_date == "x" ; then
        find $package-$ver -follow \( $CVS_NAMES \) -prune -o -type f -print \
 	   | tar cTfh - $package-$ver.tar
     else
 	# Attempt to create a consistent, reproducible tarball using the
 	# specified date.
 	find $package-$ver -follow \( $CVS_NAMES \) -prune -o -type f -print \
 	    | LC_ALL=C sort \
 	    | tar cTfh - $package-$ver.tar \
 		  --mtime=$release_date --group=0 --owner=0
     fi
 }

 # Compress the output with bzip2
 do_bz2()
 {
     package=$1
     ver=$2
     echo "==> Bzipping $package-$ver.tar.bz2"
     rm -f $package-$ver.tar.bz2
     $BZIPPROG -k -v -9 $package-$ver.tar
 }

 # Compress the output with gzip
 do_gz()
 {
     package=$1
     ver=$2
     echo "==> Gzipping $package-$ver.tar.gz"
     rm -f $package-$ver.tar.gz
     $GZIPPROG -k -v -9 $package-$ver.tar
 }

 # Compress the output with lzip
 do_lz()
 {
     package=$1
     ver=$2
     echo "==> Lzipping $package-$ver.tar.lz"
     rm -f $package-$ver.tar.lz
     $LZIPPROG -k -v -9 $package-$ver.tar
 }

 # Compress the output with xz
 do_xz()
 {
     package=$1
     ver=$2
     echo "==> Xzipping $package-$ver.tar.xz"
     rm -f $package-$ver.tar.xz
     $XZPROG -k -v -9 -T0 $package-$ver.tar
 }

 # Compress the output with zstd
 do_zstd()
 {
     package=$1
     ver=$2
     echo "==> Zzipping $package-$ver.tar.zst"
     rm -f $package-$ver.tar.zst
     $ZSTDPROG -k -v -19 -T0 $package-$ver.tar
 }

 # Compress the output with all selected compresion methods
 do_compress()
 {
     package=$1
     ver=$2
     compressors=$3
     for comp in $compressors; do
 	case $comp in
 	    bz2)
 		do_bz2 $package $ver;;
 	    gz)
 		do_gz $package $ver;;
 	    lz)
 		do_lz $package $ver;;
 	    xz)
 		do_xz $package $ver;;
 	    zstd)
 		do_zstd $package $ver;;
 	    *)
 		echo "Unknown compression method: $comp" && exit 1;;
 	esac
     done
 }

 # Add djunpack.bat the tarball
 do_djunpack()
 {
     package=$1
     ver=$2
     echo "==> Adding updated djunpack.bat to top-level directory"
     echo - 's /gdb-[0-9\.]*/$package-'"$ver"'/'
     sed < djunpack.bat > djunpack.new \
 	-e 's/gdb-[0-9][0-9\.]*/$package-'"$ver"'/'
     rm -f proto-toplev/djunpack.bat
     mv djunpack.new proto-toplev/djunpack.bat
 }

 # Create a release package, tar it and compress it
 tar_compress()
 {
     package=$1
     tool=$2
     support_files=$3
     compressors=$4
     verdir=${5:-$tool}
     ver=$(getver $verdir)
     do_proto_toplev $package $ver $tool "$support_files"
     do_sha256sum
     do_tar $package $ver
     do_compress $package $ver "$compressors"
 }

 # Create a gdb release package, tar it and compress it
 gdb_tar_compress()
 {
     package=$1
     tool=$2
     support_files=$3
     compressors=$4
     ver=$(getver $tool)
     do_proto_toplev $package $ver $tool "$support_files"
     do_sha256sum
     do_djunpack $package $ver
     do_tar $package $ver
     do_compress $package $ver "$compressors"
 }

 # The FSF "binutils" release includes gprof and ld.
 BINUTILS_SUPPORT_DIRS="libsframe bfd gas include libiberty libctf opcodes ld elfcpp gold gprof gprofng setup.com makefile.vms cpu zlib"
 binutils_release()
 {
     compressors=$1
     package=binutils
     tool=binutils
     tar_compress $package $tool "$BINUTILS_SUPPORT_DIRS" "$compressors"
 }

 GAS_SUPPORT_DIRS="bfd include libiberty opcodes setup.com makefile.vms zlib"
 gas_release()
 {
     compressors=$1
     package=gas
     tool=gas
     tar_compress $package $tool "$GAS_SUPPORT_DIRS" "$compressors"
 }

 GDB_SUPPORT_DIRS="libsframe bfd include libiberty libctf opcodes readline sim libdecnumber cpu zlib contrib gnulib gdbsupport gdbserver libbacktrace"
 gdb_release()
 {
     compressors=$1
     package=gdb
     tool=gdb
     gdb_tar_compress $package $tool "$GDB_SUPPORT_DIRS" "$compressors"
 }

 # Corresponding to the CVS "sim" module.
 SIM_SUPPORT_DIRS="libsframe bfd opcodes libiberty libctf/swap.h include gdb/version.in gdb/common/create-version.sh makefile.vms zlib gnulib"
 sim_release()
 {
     compressors=$1
     package=sim
     tool=sim
     tar_compress $package $tool "$SIM_SUPPORT_DIRS" "$compressors" gdb
 }

 usage()
 {
     echo "src-release.sh <options> <release>"
     echo "options:"
     echo "  -b: Compress with bzip2"
     echo "  -g: Compress with gzip"
     echo "  -l: Compress with lzip"
     echo "  -x: Compress with xz"
     echo "  -z: Compress with zstd"
     echo "  -r <date>: Create a reproducible tarball using <date> as the mtime"
     exit 1
 }

 build_release()
 {
     release=$1
     compressors=$2
     case $release in
 	binutils)
 	    binutils_release "$compressors";;
 	gas)
 	    gas_release "$compressors";;
 	gdb)
 	    gdb_release "$compressors";;
 	sim)
 	    sim_release "$compressors";;
 	*)
 	    echo "Unknown release name: $release" && usage;;
     esac
 }

 compressors=""

 while getopts ":bglr:xz" opt; do
     case $opt in
 	b)
 	    compressors="$compressors bz2";;
 	g)
 	    compressors="$compressors gz";;
 	l)
 	    compressors="$compressors lz";;
 	r)
 	    release_date=$OPTARG;;
 	x)
 	    compressors="$compressors xz";;
 	z)
 	    compressors="$compressors zstd";;
 	\?)
 	    echo "Invalid option: -$OPTARG" && usage;;
     esac
 done
 shift $((OPTIND -1))
 release=$1

 build_release $release "$compressors"
	#!/usr/bin/env bash
	# Copyright (C) 1990-2024 Free Software Foundation
	#
	# This file is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; either version 3 of the License, or
	# (at your option) any later version.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	#

	# This script creates release packages for gdb, binutils, and other
	# packages which live in src. It used to be implemented as the src-release
	# Makefile and prior to that was part of the top level Makefile, but that
	# turned out to be very messy and hard to maintain.

	set -e

	BZIPPROG=bzip2
	GZIPPROG=gzip
	LZIPPROG=lzip
	XZPROG=xz
	ZSTDPROG=zstd
	SHA256PROG=sha256sum
	MAKE=make
	CC=gcc
	CXX=g++
	release_date=

	# Default to avoid splitting info files by setting the threshold high.
	MAKEINFOFLAGS=--split-size=5000000

	#
	# Support for building net releases

	# Files in root used in any net release.
	DEVO_SUPPORT="ar-lib ChangeLog compile config config-ml.in config.guess \
	config.rpath config.sub configure configure.ac COPYING COPYING.LIB \
	COPYING3 COPYING3.LIB depcomp install-sh libtool.m4 ltgcc.m4 \
	ltmain.sh ltoptions.m4 ltsugar.m4 ltversion.m4 lt~obsolete.m4 \
	MAINTAINERS Makefile.def Makefile.in Makefile.tpl missing mkdep \
	mkinstalldirs move-if-change README README-maintainer-mode \
	SECURITY.txt src-release.sh symlink-tree test-driver ylwrap \
	multilib.am"

	# Files in devo/etc used in any net release.
	ETC_SUPPORT="ChangeLog Makefile.am Makefile.in aclocal.m4 add-log.el \
	add-log.vi configbuild.* configdev.* configure configure.ac \
	configure.in configure.info* configure.texi fdl.texi gnu-oids.texi \
	make-stds.texi standards.info* standards.texi texi2pod.pl \
	update-copyright.py"

	# Get the version number of a given tool
	getver()
	{
	tool=$1
	if grep 'AC_INIT.*BFD_VERSION' $tool/configure.ac >/dev/null 2>&1; then
	bfd/configure --version \| sed -n -e '1s,.* ,,p'
	elif test -f $tool/common/create-version.sh; then
	$tool/common/create-version.sh $tool 'dummy-host' 'dummy-target' VER.tmp
	cat VER.tmp \| grep 'version\[\]' \| sed 's/."\([^"]\)".*/\1/' \| sed 's/-git$//'
	rm -f VER.tmp
	elif test $tool = "gdb"; then
	./gdbsupport/create-version.sh $tool 'dummy-host' 'dummy-target' VER.tmp
	cat VER.tmp \| grep 'version\[\]' \| sed 's/."\([^"]\)".*/\1/' \| sed 's/-git$//'
	rm -f VER.tmp
	elif test -f $tool/version.in; then
	head -n 1 $tool/version.in
	else
	echo VERSION
	fi
	}

	clean_sources()
	{
	# Check that neither staged nor unstaged changes of any tracked file remains.
	if [ -n "$(git status --porcelain -uno)" ]; then
	echo "There are uncommitted changes. Please commit or stash them."
	exit 1
	fi

	echo "==> Cleaning sources."

	# Remove all untracked files.
	git clean -fdx

	# Umask for any new file created by this script.
	umask 0022

	# Fix permissions of all tracked files and directories according to the previously set umask.
	echo "==> Fixing permissions."
	permreg=$(printf "%o" $((0666 & ~$(umask))))
	permexe=$(printf "%o" $((0777 & ~$(umask))))
	git ls-tree -rt --format "objectmode=%(objectmode) path=%(path)" HEAD \| while read -r objectprop; do
	eval $objectprop
	case $objectmode in
	100644)
	# regular file
	chmod $permreg $path
	;;
	100755\|040000)
	# executable file or directory
	chmod $permexe $path
	;;
	120000)
	# symlink, do nothing, always lrwxrwxrwx.
	;;
	160000)
	# submodule, currently do nothing
	;;
	*)
	# unlikely, might be a future version of Git
	echo unsupported object at $path
	exit 1
	;;
	esac
	done
	}

	# Setup build directory for building release tarball
	do_proto_toplev()
	{
	package=$1
	ver=$2
	tool=$3
	support_files=$4

	clean_sources

	echo "==> Making $package-$ver/"
	# Take out texinfo from a few places.
	sed -e '/^all\.normal: /s/\all-texinfo //' \
	-e '/^ install-texinfo /d' \
	<Makefile.in >tmp
	mv -f tmp Makefile.in
	# configure. --enable-gold is needed to ensure .c/.h from .y are
	# built in the gold dir. The disables speed the build a little.
	enables=
	disables=
	for dir in binutils gas gdb gold gprof gprofng libsframe ld libctf libdecnumber readline sim; do
	case " $tool $support_files " in
	" $dir ") enables="$enables --enable-$dir" ;;
	*) disables="$disables --disable-$dir" ;;
	esac
	done
	echo "==> configure --target=i386-pc-linux-gnu $disables $enables"
	./configure --target=i386-pc-linux-gnu $disables $enables
	$MAKE configure-host configure-target \
	ALL_GCC="" ALL_GCC_C="" ALL_GCC_CXX="" \
	CC_FOR_TARGET="$CC" CXX_FOR_TARGET="$CXX"
	# Make links, and run "make diststuff" or "make info" when needed.
	rm -rf proto-toplev
	mkdir proto-toplev
	dirs="$DEVO_SUPPORT $support_files $tool"
	for d in $dirs ; do
	if [ -d $d ]; then
	if [ ! -f $d/Makefile ] ; then
	true
	elif grep '^diststuff:' $d/Makefile >/dev/null ; then
	(cd $d ; $MAKE MAKEINFOFLAGS="$MAKEINFOFLAGS" diststuff) \
	\|\| exit 1
	elif grep '^info:' $d/Makefile >/dev/null ; then
	(cd $d ; $MAKE MAKEINFOFLAGS="$MAKEINFOFLAGS" info) \
	\|\| exit 1
	fi
	if [ -d $d/proto-$d.dir ]; then
	ln -s ../$d/proto-$d.dir proto-toplev/$d
	else
	ln -s ../$d proto-toplev/$d
	fi
	else
	if (echo x$d \| grep / >/dev/null); then
	mkdir -p proto-toplev/`dirname $d`
	x=`dirname $d`
	ln -s ../`echo $x/ \| sed -e 's,[^/]*/,../,g'`$d proto-toplev/$d
	else
	ln -s ../$d proto-toplev/$d
	fi
	fi
	done
	(cd etc; $MAKE MAKEINFOFLAGS="$MAKEINFOFLAGS" info)
	$MAKE distclean
	mkdir proto-toplev/etc
	(cd proto-toplev/etc;
	for i in $ETC_SUPPORT; do
	ln -s ../../etc/$i .
	done)
	#
	# Take out texinfo from configurable dirs
	rm proto-toplev/configure.ac
	sed -e '/^host_tools=/s/texinfo //' \
	<configure.ac >proto-toplev/configure.ac
	#
	mkdir proto-toplev/texinfo
	ln -s ../../texinfo/texinfo.tex proto-toplev/texinfo/
	if test -r texinfo/util/tex3patch ; then
	mkdir proto-toplev/texinfo/util && \
	ln -s ../../../texinfo/util/tex3patch proto-toplev/texinfo/util
	fi
	#
	# Create .gmo files from .po files.
	for f in `find . -name '*.po' -type f -print`; do
	msgfmt -o `echo $f \| sed -e 's/\.po$/.gmo/'` $f
	done
	#
	rm -f $package-$ver
	ln -s proto-toplev $package-$ver
	}

	CVS_NAMES='-name CVS -o -name .cvsignore'

	# Add a sha256sum to the built tarball
	do_sha256sum()
	{
	echo "==> Adding sha256 checksum to top-level directory"
	(cd proto-toplev && find * -follow \( $CVS_NAMES \) -prune \
	-o -type f -print \
	\| xargs $SHA256PROG > ../sha256.new)
	rm -f proto-toplev/sha256.sum
	mv sha256.new proto-toplev/sha256.sum
	}

	# Build the release tarball
	do_tar()
	{
	package=$1
	ver=$2
	echo "==> Making $package-$ver.tar"
	rm -f $package-$ver.tar
	if test x$release_date == "x" ; then
	find $package-$ver -follow \( $CVS_NAMES \) -prune -o -type f -print \
	\| tar cTfh - $package-$ver.tar
	else
	# Attempt to create a consistent, reproducible tarball using the
	# specified date.
	find $package-$ver -follow \( $CVS_NAMES \) -prune -o -type f -print \
	\| LC_ALL=C sort \
	\| tar cTfh - $package-$ver.tar \
	--mtime=$release_date --group=0 --owner=0
	fi
	}

	# Compress the output with bzip2
	do_bz2()
	{
	package=$1
	ver=$2
	echo "==> Bzipping $package-$ver.tar.bz2"
	rm -f $package-$ver.tar.bz2
	$BZIPPROG -k -v -9 $package-$ver.tar
	}

	# Compress the output with gzip
	do_gz()
	{
	package=$1
	ver=$2
	echo "==> Gzipping $package-$ver.tar.gz"
	rm -f $package-$ver.tar.gz
	$GZIPPROG -k -v -9 $package-$ver.tar
	}

	# Compress the output with lzip
	do_lz()
	{
	package=$1
	ver=$2
	echo "==> Lzipping $package-$ver.tar.lz"
	rm -f $package-$ver.tar.lz
	$LZIPPROG -k -v -9 $package-$ver.tar
	}

	# Compress the output with xz
	do_xz()
	{
	package=$1
	ver=$2
	echo "==> Xzipping $package-$ver.tar.xz"
	rm -f $package-$ver.tar.xz
	$XZPROG -k -v -9 -T0 $package-$ver.tar
	}

	# Compress the output with zstd
	do_zstd()
	{
	package=$1
	ver=$2
	echo "==> Zzipping $package-$ver.tar.zst"
	rm -f $package-$ver.tar.zst
	$ZSTDPROG -k -v -19 -T0 $package-$ver.tar
	}

	# Compress the output with all selected compresion methods
	do_compress()
	{
	package=$1
	ver=$2
	compressors=$3
	for comp in $compressors; do
	case $comp in
	bz2)
	do_bz2 $package $ver;;
	gz)
	do_gz $package $ver;;
	lz)
	do_lz $package $ver;;
	xz)
	do_xz $package $ver;;
	zstd)
	do_zstd $package $ver;;
	*)
	echo "Unknown compression method: $comp" && exit 1;;
	esac
	done
	}

	# Add djunpack.bat the tarball
	do_djunpack()
	{
	package=$1
	ver=$2
	echo "==> Adding updated djunpack.bat to top-level directory"
	echo - 's /gdb-[0-9\.]*/$package-'"$ver"'/'
	sed < djunpack.bat > djunpack.new \
	-e 's/gdb-[0-9][0-9\.]*/$package-'"$ver"'/'
	rm -f proto-toplev/djunpack.bat
	mv djunpack.new proto-toplev/djunpack.bat
	}

	# Create a release package, tar it and compress it
	tar_compress()
	{
	package=$1
	tool=$2
	support_files=$3
	compressors=$4
	verdir=${5:-$tool}
	ver=$(getver $verdir)
	do_proto_toplev $package $ver $tool "$support_files"
	do_sha256sum
	do_tar $package $ver
	do_compress $package $ver "$compressors"
	}

	# Create a gdb release package, tar it and compress it
	gdb_tar_compress()
	{
	package=$1
	tool=$2
	support_files=$3
	compressors=$4
	ver=$(getver $tool)
	do_proto_toplev $package $ver $tool "$support_files"
	do_sha256sum
	do_djunpack $package $ver
	do_tar $package $ver
	do_compress $package $ver "$compressors"
	}

	# The FSF "binutils" release includes gprof and ld.
	BINUTILS_SUPPORT_DIRS="libsframe bfd gas include libiberty libctf opcodes ld elfcpp gold gprof gprofng setup.com makefile.vms cpu zlib"
	binutils_release()
	{
	compressors=$1
	package=binutils
	tool=binutils
	tar_compress $package $tool "$BINUTILS_SUPPORT_DIRS" "$compressors"
	}

	GAS_SUPPORT_DIRS="bfd include libiberty opcodes setup.com makefile.vms zlib"
	gas_release()
	{
	compressors=$1
	package=gas
	tool=gas
	tar_compress $package $tool "$GAS_SUPPORT_DIRS" "$compressors"
	}

	GDB_SUPPORT_DIRS="libsframe bfd include libiberty libctf opcodes readline sim libdecnumber cpu zlib contrib gnulib gdbsupport gdbserver libbacktrace"
	gdb_release()
	{
	compressors=$1
	package=gdb
	tool=gdb
	gdb_tar_compress $package $tool "$GDB_SUPPORT_DIRS" "$compressors"
	}

	# Corresponding to the CVS "sim" module.
	SIM_SUPPORT_DIRS="libsframe bfd opcodes libiberty libctf/swap.h include gdb/version.in gdb/common/create-version.sh makefile.vms zlib gnulib"
	sim_release()
	{
	compressors=$1
	package=sim
	tool=sim
	tar_compress $package $tool "$SIM_SUPPORT_DIRS" "$compressors" gdb
	}

	usage()
	{
	echo "src-release.sh <options> <release>"
	echo "options:"
	echo " -b: Compress with bzip2"
	echo " -g: Compress with gzip"
	echo " -l: Compress with lzip"
	echo " -x: Compress with xz"
	echo " -z: Compress with zstd"
	echo " -r <date>: Create a reproducible tarball using <date> as the mtime"
	exit 1
	}

	build_release()
	{
	release=$1
	compressors=$2
	case $release in
	binutils)
	binutils_release "$compressors";;
	gas)
	gas_release "$compressors";;
	gdb)
	gdb_release "$compressors";;
	sim)
	sim_release "$compressors";;
	*)
	echo "Unknown release name: $release" && usage;;
	esac
	}

	compressors=""

	while getopts ":bglr:xz" opt; do
	case $opt in
	b)
	compressors="$compressors bz2";;
	g)
	compressors="$compressors gz";;
	l)
	compressors="$compressors lz";;
	r)
	release_date=$OPTARG;;
	x)
	compressors="$compressors xz";;
	z)
	compressors="$compressors zstd";;
	\?)
	echo "Invalid option: -$OPTARG" && usage;;
	esac
	done
	shift $((OPTIND -1))
	release=$1

	build_release $release "$compressors"