xref: /dragonfly/tools/make_libdeps.sh (revision 6e285212) 
1#!/bin/sh -e
2#
3# Copyright (c) 2002 Ruslan Ermilov, The FreeBSD Project
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#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD: src/tools/make_libdeps.sh,v 1.2.2.1 2002/07/23 12:12:30 ru Exp $
28# $DragonFly: src/tools/make_libdeps.sh,v 1.2 2003/06/17 04:29:08 dillon Exp $
29
30export PATH=/usr/bin
31
32FS=': '				# internal field separator
33LIBDEPENDS=./_libdeps		# intermediate output file
34USRSRC=${1:-/usr/src}		# source root
35LIBS="
36	lib
37	gnu/lib
38	gnu/usr.bin/perl/libperl
39	kerberosIV/lib
40	kerberos5/lib
41	secure/lib
42	usr.bin/lex/lib
43	usr.sbin/pcvt/keycap
44"				# where to scan for libraries
45
46# This sed(1) filter is used to convert -lfoo to path/to/libfoo.
47#
48SED_FILTER="
49sed -E
50    -e's; ;! ;g'
51    -e's;$;!;'
52    -e's;-lm!;lib/msun;g'
53    -e's;-l(krb)!;kerberosIV/lib/lib\1;g'
54    -e's;-l(asn1|gssapi|krb5|roken)!;kerberos5/lib/lib\1;g'
55    -e's;-l(crypto|ssh)!;secure/lib/lib\1;g'
56    -e's;-l([^!]+)!;lib/lib\1;g'
57"
58
59# Generate interdependencies between libraries.
60#
61genlibdepends()
62{
63	(
64		cd ${USRSRC}
65		find ${LIBS} -mindepth 1 -name Makefile |
66		xargs grep -l 'bsd\.lib\.mk' |
67		while read makefile; do
68			libdir=$(dirname ${makefile})
69			deps=$(
70				cd ${libdir}
71				make -V LDADD
72			)
73			if [ "${deps}" ]; then
74				echo ${libdir}"${FS}"$(
75					echo ${deps} |
76					eval ${SED_FILTER}
77				)
78			fi
79		done
80	)
81}
82
83main()
84{
85	if [ ! -f ${LIBDEPENDS} ]; then
86		genlibdepends >${LIBDEPENDS}
87	fi
88
89	prebuild_libs=$(
90		awk -F"${FS}" '{ print $2 }' ${LIBDEPENDS} |rs 0 1 |sort -u
91	)
92	echo "Libraries with dependents:"
93	echo
94	echo ${prebuild_libs} |
95	rs 0 1
96	echo
97
98	echo "List of interdependencies:"
99	echo
100	for lib in ${prebuild_libs}; do
101		grep "^${lib}${FS}" ${LIBDEPENDS} || true
102	done |
103	awk -F"${FS}" '{
104		if ($2 in dependents)
105			dependents[$2]=dependents[$2]" "$1
106		else
107			dependents[$2]=$1
108	}
109	END {
110		for (lib in dependents)
111			print dependents[lib]": " lib
112	}' |
113	sort
114
115	exit 0
116}
117
118main
119