make_libdeps.sh revision 111992 
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 111992 2003-03-08 12:14:26Z markm $
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;-lm!;lib/msun;g'
50    -e's;-l(supc\+\+)!;gnu/lib/lib\1;g'
51    -e's;-l(asn1|gssapi|krb5|roken)!;kerberos5/lib/lib\1;g'
52    -e's;-l(crypto|ssh)!;secure/lib/lib\1;g'
53    -e's;-l([^!]+)!;lib/lib\1;g'
54"
55
56# Generate interdependencies between libraries.
57#
58genlibdepends()
59{
60	(
61		cd ${USRSRC}
62		find ${LIBS} -mindepth 1 -name Makefile |
63		xargs grep -l 'bsd\.lib\.mk' |
64		while read makefile; do
65			libdir=$(dirname ${makefile})
66			deps=$(
67				cd ${libdir}
68				make -V LDADD
69			)
70			if [ "${deps}" ]; then
71				echo ${libdir}"${FS}"$(
72					echo ${deps} |
73					eval ${SED_FILTER}
74				)
75			fi
76		done
77	)
78}
79
80main()
81{
82	if [ ! -f ${LIBDEPENDS} ]; then
83		genlibdepends >${LIBDEPENDS}
84	fi
85
86	prebuild_libs=$(
87		awk -F"${FS}" '{ print $2 }' ${LIBDEPENDS} |rs 0 1 |sort -u
88	)
89	echo "Libraries with dependents:"
90	echo
91	echo ${prebuild_libs} |
92	rs 0 1
93	echo
94
95	echo "List of interdependencies:"
96	echo
97	for lib in ${prebuild_libs}; do
98		grep "^${lib}${FS}" ${LIBDEPENDS} || true
99	done |
100	awk -F"${FS}" '{
101		if ($2 in dependents)
102			dependents[$2]=dependents[$2]" "$1
103		else
104			dependents[$2]=$1
105	}
106	END {
107		for (lib in dependents)
108			print dependents[lib]": " lib
109	}' |
110	sort
111
112	exit 0
113}
114
115main
116