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#!/bin/sh
#
# Copyright (C) 2019-2020 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved. This file is offered as-is,
# without any warranty.
#
# Written by Assaf Gordon and Bernhard Voelker.
# To build all versions since 5.0 (if possible):
# git tag \
# | grep '^v[5678]' \
# | sed 's/^v//' \
# | sort -V \
# | while read f; do \
# ./build-older-versions.sh $f 2>&1 \
# | tee build/build.$f.log ; \
# done
PREFIX="${PREFIX:=$HOME/old-coreutils}"
base=$(basename "$0")
die()
{
echo "$base: error: $*" >&2
exit 1
}
warn()
{
echo "$base: warning: $*" >&2
}
get_patch_file()
{
case "$1" in
5.0) echo coreutils-5.0-on-glibc-2.28.diff ;;
5.97|6.[345679]) echo coreutils-5.97-on-glibc-2.28.diff ;;
6.10) echo coreutils-6.10-on-glibc-2.28.diff ;;
6.11) echo coreutils-6.11-on-glibc-2.28.diff ;;
6.12) echo coreutils-6.12-on-glibc-2.28.diff ;;
7.[23456]|8.[123]) echo coreutils-7.2-on-glibc-2.28.diff ;;
8.[456789]|8.1[012]) echo coreutils-8.4-on-glibc-2.28.diff ;;
8.1[3456]) echo coreutils-8.13-on-glibc-2.28.diff ;;
8.17) echo coreutils-8.17-on-glibc-2.28.diff ;;
8.1[89]|8.2[0123]) echo coreutils-8.18-on-glibc-2.28.diff ;;
8.2[456789]) echo coreutils-8.24-on-glibc-2.28.diff ;;
8.[3456789]*) warn "patch not needed for version '$1'" ;;
5.[12]*|5.9*) die "version '$1' does not have a patch (yet) " \
"use versions 5.0 or 5.97" ;;
7.1) die "version '$1' does not have a patch (yet)" \
"use versions 6.12 or 7.2" ;;
5*|6*|7*|8*) die "non-existing version" ;;
*) die "unknown version" ;;
esac
}
get_url()
{
_base_url="https://ftp.gnu.org/gnu/coreutils/coreutils-$1.tar"
case "$1" in
5.*|6.*|7.*) echo "$_base_url.gz" ;;
8.*) echo "$_base_url.xz" ;;
*) die "unknown version" ;;
esac
}
##
## Setup
##
test -n "$1" \
|| die "missing coreutils version to build (e.g. '6.12')"
cd $(dirname "$0")
patch_file=$(get_patch_file "$1") \
|| die "cannot build version '$1'"
# Test for the patch file if the above returned one.
if test "$patch_file"; then
test -e "$patch_file" \
|| die "internal error: patch file '$patch_file' does not exist"
fi
url=$(get_url "$1")
tarball=$(basename "$url")
mkdir -p "build" \
&& cd "build" \
|| die "creating version build dir 'build' failed"
##
## Download tarball (if needed)
##
if ! test -e "$tarball" ; then
wget -O "$tarball.t" "$url" \
&& mv "$tarball.t" "$tarball" \
|| die "failed to download '$url'"
fi
##
## Extract tarball (if needed)
##
srcdir=${tarball%.tar.*}
if ! test -d "$srcdir" ; then
tar -xvf "$tarball" || die "failed to extract '$tarball'"
fi
##
## Patch (if needed)
##
cd "$srcdir" \
|| die "changing directory to '$srcdir' failed"
# Patch will fail if it was already applied (using "--forward" turns
# that into a no-op). So don't check for failure.
# Is there a way to differentiate between 'already applied' and
# 'failed to apply' ?
test "$patch_file" \
&& patch --ignore-whitespace --batch --forward -p1 < "../../$patch_file"
##
## Configure
##
version="${srcdir#coreutils}" # note: this keeps the '-' in '$version'
vprefix="$PREFIX/coreutils$version"
if ! test -e "Makefile" ; then
./configure \
--program-suffix="$version" \
--prefix="$vprefix" \
|| die "failed to run configure in 'build/$srcdir/'"
fi
##
## Build
##
make -j4 \
|| die "build failed in 'build/$srcdir'"
##
## Install
##
make install \
|| die "make-install failed in 'build/$srcdir' (to '$vprefix')"
# Create convenience links for the executables and manpages in common directory.
(
mkdir -p "$PREFIX/bin" "$PREFIX/man/man1" \
|| die "creating common bin or man directory failed"
cd $vprefix/bin \
|| die "changing directory to just-installed 'bin' directory failed"
for f in *; do
ln -snvf "../coreutils$version/bin/$f" "$PREFIX/bin/$f" \
|| die "creating symlink of executable '$f' failed"
done
share= # older versions do not have 'share'.
cd "$vprefix/share/man/man1" 2>/dev/null \
&& share='/share' \
|| cd "$vprefix/man/man1" \
|| die "changing directory to just-installed 'man/man1' directory failed"
for f in *; do
ln -snfv "../../coreutils$version$share/man/man1/$f" "$PREFIX/man/man1/$f" \
|| die "creating symlink of man page '$f' failed"
done
) || exit 1
# Build and install PDF (if possible).
if make SUBDIRS=. pdf; then
make SUBDIRS=. install-pdf \
|| die "make-install-pdf failed in 'build/$srcdir' (to '$vprefix')"
else
echo "$0: no PDF available"
fi
# Print summary
cat<<EOF
=================================================================
GNU Coreutils$version successfully installed.
Source code in $PWD/build/$srcdir
Installed in $vprefix
symlinks for all programs (all versions) in $PREFIX/bin
manual pages for all programs in $PREFIX/share/man/man1
Run the following command to add all programs to your \$PATH:
export PATH=\$PATH:\$HOME/old-coreutils/bin
export MANPATH=\$MANPATH:\$HOME/old-coreutils/man
EOF
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