Mini Shell

#!/usr/bin/sh
# Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
#
# This file is free software; as a special exception the author gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# SPDX-License-Identifier: FSFULLR

prefix=/usr
exec_prefix=/usr
includedir=/usr/include
libdir=/usr/lib

if echo "$0" | grep gpg-error-config 2>/dev/null >/dev/null; then
  myname="gpg-error-config"
else
  myname="gpgrt-config"
fi

output=""
mt=no

usage()
{
    cat <<EOF
Usage: $myname [OPTIONS]
Options:
        [--mt]       (must be the first option)
	[--prefix]
	[--exec-prefix]
	[--version]
	[--libs]
	[--cflags]
EOF
    exit $1
}

if test $# -eq 0; then
    usage 1 1>&2
fi

while test $# -gt 0; do
    case "$1" in
	-*=*)
	    optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'`
	    ;;
	*)
	    optarg=
	    ;;
    esac

    case $1 in
        --mt)
            mt=yes
            ;;
        --prefix)
	    output="$output $prefix"
	    ;;
        --exec-prefix)
	    output="$output $exec_prefix"
	    ;;
        --modversion|--version)
            echo "1.42-unknown"
	    exit 0
	    ;;
	--variable=*)
	    case "${1#*=}" in
		prefix) echo "$prefix" ;;
		exec_prefix) echo "$exec_prefix" ;;
		host) echo "none" ;;
		mtcflags) echo "" ;;
		mtlibs) echo "-lpthread";;
	    esac
	    exit 0
	    ;;
        --cflags)
	    output="$output "
            if test $mt = yes ; then
                output="$output "
            fi
	    ;;
	--libs)
	    output="$output -lgpg-error"
            if test $mt = yes ; then
                output="$output -lpthread"
            fi
	    ;;
        --host)
            echo "none"
            exit 0
            ;;
	*)
            usage 1 1>&2
	    ;;
    esac
    shift
done

echo $output