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=/bin:/usr/bin
  30
  31 FS=': '                         # internal field separator
  32 LIBDEPENDS=./_libdeps           # intermediate output file
  33 USRSRC=${1:-/usr/src}           # source root
  34 LIBS="
  35         lib
  36         gnu/lib
  37         kerberos5/lib
  38         secure/lib
  39         usr.bin/lex/lib
  40         cddl/lib
  41 "                               # where to scan for libraries
  42
  43 # This sed(1) filter is used to convert -lfoo to path/to/libfoo.
  44 #
  45 SED_FILTER="
  46 sed -E
  47     -e's; ;! ;g'
  48     -e's;$;!;'
  49     -e's;-lbsdxml!;lib/libexpat;g'
  50     -e's;-lm!;lib/msun;g'
  51     -e's;-l(supc\+\+)!;gnu/lib/lib\1;g'
  52     -e's;-l(asn1|krb5|roken)!;kerberos5/lib/lib\1;g'
  53     -e's;-l(crypto|ssh|ssl)!;secure/lib/lib\1;g'
  54     -e's;-l([^!]+)!;lib/lib\1;g'
  55 "
  56
  57 # Generate interdependencies between libraries.
  58 #
  59 genlibdepends()
  60 {
  61         (
  62                 cd ${USRSRC}
  63                 find ${LIBS} -mindepth 1 -name Makefile |
  64                 xargs grep -l 'bsd\.lib\.mk' |
  65                 while read makefile; do
  66                         libdir=$(dirname ${makefile})
  67                         deps=$(
  68                                 cd ${libdir}
  69                                 make -m ${USRSRC}/share/mk -V LDADD
  70                         )
  71                         if [ "${deps}" ]; then
  72                                 echo ${libdir}"${FS}"$(
  73                                         echo ${deps} |
  74                                         eval ${SED_FILTER}
  75                                 )
  76                         fi
  77                 done
  78         )
  79 }
  80
  81 main()
  82 {
  83         if [ ! -f ${LIBDEPENDS} ]; then
  84                 genlibdepends >${LIBDEPENDS}
  85         fi
  86
  87         prebuild_libs=$(
  88                 awk -F"${FS}" '{ print $2 }' ${LIBDEPENDS} |rs 0 1 |sort -u
  89         )
  90         echo "Libraries with dependents:"
  91         echo
  92         echo ${prebuild_libs} |
  93         rs 0 1
  94         echo
  95
  96         echo "List of interdependencies:"
  97         echo
  98         for lib in ${prebuild_libs}; do
  99                 grep "^${lib}${FS}" ${LIBDEPENDS} || true
 100         done |
 101         awk -F"${FS}" '{
 102                 if ($2 in dependents)
 103                         dependents[$2]=dependents[$2]" "$1
 104                 else
 105                         dependents[$2]=$1
 106         }
 107         END {
 108                 for (lib in dependents)
 109                         print dependents[lib]": " lib
 110         }' |
 111         sort
 112
 113         exit 0
 114 }
 115
 116 main