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: 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
  30 export PATH=/usr/bin
  31
  32 FS=': '                         # internal field separator
  33 LIBDEPENDS=./_libdeps           # intermediate output file
  34 USRSRC=${1:-/usr/src}           # source root
  35 LIBS="
  36         lib
  37         gnu/lib
  38         gnu/usr.bin/perl/libperl
  39         kerberos5/lib
  40         secure/lib
  41         usr.bin/lex/lib
  42 "                               # where to scan for libraries
  43
  44 # This sed(1) filter is used to convert -lfoo to path/to/libfoo.
  45 #
  46 SED_FILTER="
  47 sed -E
  48     -e's; ;! ;g'
  49     -e's;$;!;'
  50     -e's;-lm!;lib/msun;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 #
  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 ${libdir}
  68                                 make -V LDADD
  69                         )
  70                         if [ "${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