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