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|
#!/bin/sh
#
# libslack - https://libslack.org
#
# Copyright (C) 1999-2004, 2010, 2020-2023 raf <raf@raf.org>
#
# This program 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 2 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 <https://www.gnu.org/licenses/>.
#
# 20230824 raf <raf@raf.org>
#
# libslack-config - Helper utility for libslack clients
var() { eval $1='$2'; export $1; }
die() { echo "$@" >&2; exit 1; }
var url "@@URL@@"
var name "@@NAME@@"
var version "@@VERSION@@"
var prefix "@@PREFIX@@"
var cflags "@@CFLAGS@@"
var libs "@@LIBS@@"
if test "$prefix" != "/usr" -a "$prefix" != "/usr/local"
then
cflags="-I$prefix/include $cflags"
libs="-L$prefix/lib $libs"
fi
usage()
{
cat <<EOF
usage: libslack-config [options]
options:
-h, --help - Print this help and exit
-v, --version - Print the version of the currently installed libslack
-L, --latest - Print the latest version of libslack (uses wget)
-D, --download - Download the latest version of libslack (uses wget)
-U, --upgrade - Upgrade to the latest version of libslack (uses wget)
-p, --prefix - Print the prefix directory of the libslack installation
-c, --cflags - Print CFLAGS needed to compile clients of libslack
-l, --libs - Print LDFLAGS needed to link against libslack
-l, --ldflags - Identical to --libs
-u, --uninstall - Uninstall libslack
Note: the dashes are optional for long option names
Command line example:
gcc -o app app.c \`libslack-config --cflags --libs\`
Makefile example:
CFLAGS += \$(shell libslack-config --cflags)
LDFLAGS += \$(shell libslack-config --libs)
EOF
exit $1
}
latest()
{
wget -q -O- "${url}/download/" | \
perl -e '
$ENV{suffix} =~ s/\./\\./g;
while (<>)
{
$version{$1} = 1 if /[Hh][Rr][Ee][Ff]=".*$ENV{name}-([\d.]+)\.tar\.gz"/;
}
sub version_sort
{
my @anum = split /\./, $a;
my @bnum = split /\./, $b;
while ($#anum != -1 && $#bnum != -1)
{
return $x if $x = $bnum[0] - $anum[0];
shift @anum;
shift @bnum;
}
return -1 if $#anum != -1;
return 1 if $#bnum != -1;
return 0;
}
@version = sort { version_sort } keys %version;
die "No versions found at $ENV{url}/download/\n" if $#version == -1;
print "$ENV{url}/download/$ENV{name}-$version[0].tar.gz\n";
exit 0;
'
}
download()
{
latest="`latest 2>&1`"
test "$latest" = "No versions found at ${url}/download" && die "$latest"
file="`echo $latest | sed 's/^.*\///'`"
test -f "$file" && die "The file $file already exists"
wget "$latest"
}
upgrade()
{
latest="`latest 2>&1`"
test "$latest" = "No versions found at ${url}/download" && die "$latest"
file="`echo $latest | sed 's/^.*\///'`"
dir="`echo $file | sed 's/\.tar\.gz$//'`"
test -f "$file" || wget "$latest"
test -s "$file" || die "Failed to download $latest"
tar xzf "$file" || die "Failed to untar $file"
cd "$dir" || die "Failed to cd $dir"
./configure || die "Failed to configure $dir"
make || die "Failed to make $dir"
uninstall || die "Failed to uninstall current version"
make PREFIX="$prefix" install || die "Failed to install $dir into $prefix"
cd .. && rm -rf "$dir"
}
uninstall()
{
@@UNINSTALL@@
}
test $# -eq 0 && usage 1 1>&2
while test $# -gt 0
do
case "$1" in
-h|--help|help) usage 0;;
-v|--version|version) echo "$version";;
-L|--latest|latest) latest;;
-D|--download|download) download;;
-U|--upgrade|upgrade) upgrade;;
-p|--prefix|prefix) echo "$prefix";;
-c|--cflags|cflags) echo "$cflags";;
-l|--libs|libs) echo "$libs";;
-l|--ldflags|ldflags) echo "$libs";;
-u|--uninstall|uninstall) uninstall;;
*) usage 1 >&2;;
esac
shift
done
exit 0
# vim:set ts=4 sw=4:
|
