xref: /openbsd/lib/libz/generate_pkgconfig.sh (revision e5dd7070) 
1#!/bin/sh
2#
3# $OpenBSD: generate_pkgconfig.sh,v 1.2 2011/05/05 20:58:15 jasper Exp $
4#
5# Copyright (c) 2010,2011 Jasper Lievisse Adriaanse <jasper@openbsd.org>
6#
7# Permission to use, copy, modify, and distribute this software for any
8# purpose with or without fee is hereby granted, provided that the above
9# copyright notice and this permission notice appear in all copies.
10#
11# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18#
19# Generate pkg-config file for zlib.
20
21usage() {
22	echo "usage: ${0##*/} -c current_directory -o obj_directory"
23	exit 1
24}
25
26curdir=
27objdir=
28while getopts "c:o:" flag; do
29	case "$flag" in
30		c)
31			curdir=$OPTARG
32			;;
33		o)
34			objdir=$OPTARG
35			;;
36		*)
37			usage
38			;;
39	esac
40done
41
42[ -n "${curdir}" ] || usage
43if [ ! -d "${curdir}" ]; then
44	echo "${0##*/}: ${curdir}: not found"
45	exit 1
46fi
47[ -n "${objdir}" ] || usage
48if [ ! -w "${objdir}" ]; then
49	echo "${0##*/}: ${objdir}: not found or not writable"
50	exit 1
51fi
52
53version_re="s/^#define[[:blank:]]+ZLIB_VERSION[[:blank:]]+\"(.*)\".*/\1/p"
54version_file=${curdir}/zlib.h
55lib_version=$(sed -nE ${version_re} ${version_file})
56
57pc_file="${objdir}/zlib.pc"
58cat > ${pc_file} << __EOF__
59prefix=/usr
60exec_prefix=\${prefix}
61libdir=\${exec_prefix}/lib
62includedir=\${prefix}/include
63
64Name: zlib
65Description: zlib compression library
66Version: ${lib_version}
67Requires: 
68Libs: -L\${libdir} -lz
69Cflags: -I\${includedir}
70__EOF__
71