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[FreeBSD/FreeBSD.git] / tools / make_libdeps.sh
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 # $FreeBSD$
28
29 export PATH=/usr/bin
30
31 FS=': '                         # internal field separator
32 LIBDEPENDS=./_libdeps           # intermediate output file
33 USRSRC=${1:-/usr/src}           # source root
34 LIBS="
35         lib
36         gnu/lib
37         gnu/usr.bin/perl/libperl
38         kerberosIV/lib
39         kerberos5/lib
40         secure/lib
41         usr.bin/lex/lib
42         usr.sbin/pcvt/keycap
43 "                               # where to scan for libraries
44
45 # This sed(1) filter is used to convert -lfoo to path/to/libfoo.
46 #
47 SED_FILTER="
48 sed -E
49     -e's; ;! ;g'
50     -e's;$;!;'
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 #
60 genlibdepends()
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
82 main()
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
117 main