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=${1:-/usr/src}           # source root
  35 LIBS="
  36         lib
  37         gnu/lib
  38         gnu/usr.bin/perl/libperl
  39         kerberos5/lib
  40         usr.bin/lex/lib
  41 "                               # where to scan for libraries
  42
  43 # This sed(1) filter is used to convert -lfoo to path/to/libfoo.
  44 #
  45 SED_FILTER="
  46 sed -E
  47     -e's; ;! ;g'
  48     -e's;$;!;'
  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 #
  56 genlibdepends()
  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
  78 main()
  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
 113 main