1#!/bin/sh -efu
2#
3# Copyright (c) 2017 Dmitry V. Levin <ldv@altlinux.org>
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14# 3. The name of the author may not be used to endorse or promote products
15#    derived from this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28usage()
29{
30	cat >&2 <<EOF
31Usage: $0 [<input> [<output>]]
32
33Generate pure_executables.am from <input> list.
34Deduce output file from <input> unless an <output> is specified.
35EOF
36	exit 1
37}
38
39input="${0%/*}/pure_executables.list"
40[ $# -eq 0 ] || { input="$1"; shift; }
41output="$(dirname "$input")/pure_executables.am"
42[ $# -eq 0 ] || { output="$1"; shift; }
43[ $# -eq 0 ] || usage
44
45exec > "$output"
46
47echo "# Generated by $0 from $input; do not edit."
48echo 'PURE_EXECUTABLES = \'
49sed -n 's/^[^#].*/  & \\/p' < "$input"
50echo '  #'
51