xref: /dragonfly/tools/make_libdeps.sh (revision 71990c18) 
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 1.4 2005/05/07 17:38:34 swildner Exp $
29
30export PATH=/usr/bin
31
32FS=': '				# internal field separator
33LIBDEPENDS=./_libdeps		# intermediate output file
34USRSRC=${1:-/usr/src}		# source root
35LIBS="
36	lib
37	gnu/lib
38	gnu/usr.bin/perl/libperl
39	kerberos5/lib
40	usr.bin/lex/lib
41"				# where to scan for libraries
42
43# This sed(1) filter is used to convert -lfoo to path/to/libfoo.
44#
45SED_FILTER="
46sed -E
47    -e's; ;! ;g'
48    -e's;$;!;'
49    -e's;-lm!;lib/msun;g'
50    -e's;-l(asn1|gssapi|krb5|roken)!;kerberos5/lib/lib\1;g'
51    -e's;-l([^!]+)!;lib/lib\1;g'
52"
53
54# Generate interdependencies between libraries.
55#
56genlibdepends()
57{
58	(
59		cd ${USRSRC}
60		find ${LIBS} -mindepth 1 -name Makefile |
61		xargs grep -l 'bsd\.lib\.mk' |
62		while read makefile; do
63			libdir=$(dirname ${makefile})
64			deps=$(
65				cd ${libdir}
66				make -V LDADD
67			)
68			if [ "${deps}" ]; then
69				echo ${libdir}"${FS}"$(
70					echo ${deps} |
71					eval ${SED_FILTER}
72				)
73			fi
74		done
75	)
76}
77
78main()
79{
80	if [ ! -f ${LIBDEPENDS} ]; then
81		genlibdepends >${LIBDEPENDS}
82	fi
83
84	prebuild_libs=$(
85		awk -F"${FS}" '{ print $2 }' ${LIBDEPENDS} |rs 0 1 |sort -u
86	)
87	echo "Libraries with dependents:"
88	echo
89	echo ${prebuild_libs} |
90	rs 0 1
91	echo
92
93	echo "List of interdependencies:"
94	echo
95	for lib in ${prebuild_libs}; do
96		grep "^${lib}${FS}" ${LIBDEPENDS} || true
97	done |
98	awk -F"${FS}" '{
99		if ($2 in dependents)
100			dependents[$2]=dependents[$2]" "$1
101		else
102			dependents[$2]=$1
103	}
104	END {
105		for (lib in dependents)
106			print dependents[lib]": " lib
107	}' |
108	sort
109
110	exit 0
111}
112
113main
114