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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=${1:-/usr/src}           # source root
34 LIBS="
35         lib
36         gnu/lib
37         kerberos5/lib
38         secure/lib
39         usr.bin/lex/lib
40 "                               # where to scan for libraries
41
42 # This sed(1) filter is used to convert -lfoo to path/to/libfoo.
43 #
44 SED_FILTER="
45 sed -E
46     -e's; ;! ;g'
47     -e's;$;!;'
48     -e's;-lbsdxml!;lib/libexpat;g'
49     -e's;-lm!;lib/msun;g'
50     -e's;-l(supc\+\+)!;gnu/lib/lib\1;g'
51     -e's;-l(asn1|krb5|roken)!;kerberos5/lib/lib\1;g'
52     -e's;-l(crypto|ssh|ssl)!;secure/lib/lib\1;g'
53     -e's;-l([^!]+)!;lib/lib\1;g'
54 "
55
56 # Generate interdependencies between libraries.
57 #
58 genlibdepends()
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 -m ${USRSRC}/share/mk -V LDADD
69                         )
70                         if [ "${deps}" ]; then
71                                 echo ${libdir}"${FS}"$(
72                                         echo ${deps} |
73                                         eval ${SED_FILTER}
74                                 )
75                         fi
76                 done
77         )
78 }
79
80 main()
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
115 main