make_libdeps.sh revision 94541 
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: head/tools/make_libdeps.sh 94541 2002-04-12 19:46:25Z ru $
28
29export PATH=/usr/bin
30
31FS=': '				# internal field separator
32LIBDEPENDS=./_libdeps		# intermediate output file
33USRSRC=${1:-/usr/src}		# source root
34LIBS="
35	lib
36	gnu/lib
37	gnu/usr.bin/perl/libperl
38	kerberosIV/lib
39	kerberos5/lib
40	secure/lib
41	usr.bin/lex/lib
42	usr.sbin/pcvt/keycap
43"				# where to scan for libraries
44
45# This sed(1) filter is used to convert -lfoo to path/to/libfoo.
46#
47SED_FILTER="
48sed -E
49    -e's; ;! ;g'
50    -e's;$;!;'
51    -e's;-lm!;lib/msun;g'
52    -e's;-l(krb)!;kerberosIV/lib/lib\1;g'
53    -e's;-l(asn1|gssapi|krb5|roken)!;kerberos5/lib/lib\1;g'
54    -e's;-l(crypto|ssh)!;secure/lib/lib\1;g'
55    -e's;-l([^!]+)!;lib/lib\1;g'
56"
57
58# Generate interdependencies between libraries.
59#
60genlibdepends()
61{
62	(
63		cd ${USRSRC}
64		find ${LIBS} -mindepth 1 -name Makefile |
65		xargs grep -l 'bsd\.lib\.mk' |
66		while read makefile; do
67			libdir=$(dirname ${makefile})
68			deps=$(
69				cd ${libdir}
70				make -V LDADD
71			)
72			if [ "${deps}" ]; then
73				echo ${libdir}"${FS}"$(
74					echo ${deps} |
75					eval ${SED_FILTER}
76				)
77			fi
78		done
79	)
80}
81
82main()
83{
84	if [ ! -f ${LIBDEPENDS} ]; then
85		genlibdepends >${LIBDEPENDS}
86	fi
87
88	prebuild_libs=$(
89		awk -F"${FS}" '{ print $2 }' ${LIBDEPENDS} |rs 0 1 |sort -u
90	)
91	echo "Libraries with dependents:"
92	echo
93	echo ${prebuild_libs} |
94	rs 0 1
95	echo
96
97	echo "List of interdependencies:"
98	echo
99	for lib in ${prebuild_libs}; do
100		grep "^${lib}${FS}" ${LIBDEPENDS} || true
101	done |
102	awk -F"${FS}" '{
103		if ($2 in dependents)
104			dependents[$2]=dependents[$2]" "$1
105		else
106			dependents[$2]=$1
107	}
108	END {
109		for (lib in dependents)
110			print dependents[lib]": " lib
111	}' |
112	sort
113
114	exit 0
115}
116
117main
118