make_libdeps.sh revision 153838 
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 153838 2005-12-29 14:40:22Z dfr $
28
29export PATH=/usr/bin
30
31FS=': '				# internal field separator
32LIBDEPENDS=./_libdeps		# intermediate output file
33USRSRC=${1:-/usr/src}		# source root
34LIBS="
35	lib
36	gnu/lib
37	kerberos5/lib
38	secure/lib
39	usr.bin/lex/lib
40	usr.sbin/pcvt/keycap
41"				# where to scan for libraries
42
43# This sed(1) filter is used to convert -lfoo to path/to/libfoo.
44#
45SED_FILTER="
46sed -E
47    -e's; ;! ;g'
48    -e's;$;!;'
49    -e's;-lbsdxml!;lib/libexpat;g'
50    -e's;-lm!;lib/msun;g'
51    -e's;-l(supc\+\+)!;gnu/lib/lib\1;g'
52    -e's;-l(asn1|krb5|roken)!;kerberos5/lib/lib\1;g'
53    -e's;-l(crypto|ssh|ssl)!;secure/lib/lib\1;g'
54    -e's;-l([^!]+)!;lib/lib\1;g'
55"
56
57# Generate interdependencies between libraries.
58#
59genlibdepends()
60{
61	(
62		cd ${USRSRC}
63		find ${LIBS} -mindepth 1 -name Makefile |
64		xargs grep -l 'bsd\.lib\.mk' |
65		while read makefile; do
66			libdir=$(dirname ${makefile})
67			deps=$(
68				cd ${libdir}
69				make -V LDADD
70			)
71			if [ "${deps}" ]; then
72				echo ${libdir}"${FS}"$(
73					echo ${deps} |
74					eval ${SED_FILTER}
75				)
76			fi
77		done
78	)
79}
80
81main()
82{
83	if [ ! -f ${LIBDEPENDS} ]; then
84		genlibdepends >${LIBDEPENDS}
85	fi
86
87	prebuild_libs=$(
88		awk -F"${FS}" '{ print $2 }' ${LIBDEPENDS} |rs 0 1 |sort -u
89	)
90	echo "Libraries with dependents:"
91	echo
92	echo ${prebuild_libs} |
93	rs 0 1
94	echo
95
96	echo "List of interdependencies:"
97	echo
98	for lib in ${prebuild_libs}; do
99		grep "^${lib}${FS}" ${LIBDEPENDS} || true
100	done |
101	awk -F"${FS}" '{
102		if ($2 in dependents)
103			dependents[$2]=dependents[$2]" "$1
104		else
105			dependents[$2]=$1
106	}
107	END {
108		for (lib in dependents)
109			print dependents[lib]": " lib
110	}' |
111	sort
112
113	exit 0
114}
115
116main
117