xref: /dragonfly/tools/make_libdeps.sh (revision 82909a40) 
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
29export PATH=/sbin:/usr/bin
30
31set -e
32
33LC_ALL=C			# make sort deterministic
34FS=': '				# internal field separator
35LIBDEPENDS=./_libdeps		# intermediate output file
36USRSRC=${1:-/usr/src}		# source root
37LIBS="
38	lib
39	gnu/lib
40	usr.bin/flex/lib
41"				# where to scan for libraries
42
43# This sed(1) filter is used to convert -lfoo to path/to/libfoo.
44#
45SED_FILTER="
46sed -E
47    -e's;-Wl,[^ ]+[ ]?;;g'
48    -e's;-lprivate_crypto;-lrecrypto;g'
49    -e's;-lprivate_ncurses;-lncurses;g'
50    -e's;-lprivate_ssh;-lssh;g'
51    -e's;-lprivate_ssl;-lressl;g'
52    -e's;-pthread;-lthread_xu;g'
53    -e's;/[^ ]+/libpthread\.so;-lpthread;g'
54    -e's;/[^ ]+/libelf_pic.a;-lelf;g'
55    -e's;\.\./components/[^ ]+/lib[a-z0-9]+_pic\.a[ ]?;;g'
56    -e's;[ ]$;;g'
57    -e's; ;! ;g'
58    -e's;$;!;'
59    -e's;-l([^!]+)!;lib/lib\1;g'
60"
61
62# Generate interdependencies between libraries.
63#
64genlibdepends()
65{
66	(
67		cd ${USRSRC}
68		find ${LIBS} -mindepth 1 -name Makefile | sort |
69		xargs grep -l 'bsd\.lib\.mk' |
70		while read makefile; do
71			libdir=$(dirname ${makefile})
72			deps=$(
73				cd ${libdir}
74				make -m ${USRSRC}/share/mk -V LDADD
75			)
76			if [ "${deps}" ]; then
77				echo ${libdir}"${FS}"$(
78					echo ${deps} |
79					eval ${SED_FILTER}
80				)
81			fi
82		done
83	)
84}
85
86main()
87{
88	if [ ! -f ${LIBDEPENDS} ]; then
89		genlibdepends >${LIBDEPENDS}
90	fi
91
92	prebuild_libs=$(
93		awk -F"${FS}" '{ print $2 }' ${LIBDEPENDS} | tr ' ' '\n' |
94		    sort -u
95	)
96	echo "Libraries with dependents:"
97	echo
98	echo ${prebuild_libs} | tr ' ' '\n'
99	echo
100
101	echo "List of interdependencies:"
102	echo
103	for lib in ${prebuild_libs}; do
104		grep "^${lib}${FS}" ${LIBDEPENDS} || true
105	done |
106	awk -F"${FS}" '{
107		if ($2 in dependents)
108			dependents[$2]=dependents[$2]" "$1
109		else
110			dependents[$2]=$1
111	}
112	END {
113		for (lib in dependents)
114			print dependents[lib]": " lib
115	}' |
116	sort
117
118	exit 0
119}
120
121main
122