tools/find-provides

   1 #!/bin/bash
   2
   3 # Include functions.
   4 BASEDIR=$(dirname ${0})
   5 source ${BASEDIR}/find-common
   6
   7 BUILDROOT=${1}
   8 FILELIST=${2}
   9
  10 binary_files=
  11 perl_files=
  12 pkgconfig_files=
  13
  14 # Walk through all file files and see what we have got here.
  15 while read file; do
  16         case "${file}" in
  17                 */usr/lib*/python*/*.so*)
  18                         # Do not show python shared objects in provides list.
  19                         ;;
  20                 *.so*)
  21                         binary_files="${binary_files} ${file}"
  22                         ;;
  23                 *.pm)
  24                         # This file is a perl module. We check them later.
  25                         perl_files="${perl_files} ${file}"
  26                         ;;
  27                 *.pc)
  28                         pkgconfig_files="${pkgconfig_files} ${file}"
  29                         ;;
  30         esac
  31 done < ${FILELIST}
  32
  33 # Search for SONAMEs in all binary files.
  34 for file in ${binary_files}; do
  35         [ -L ${file} ] && continue
  36
  37         soname=$(file_get_soname ${file})
  38
  39         # If the files does not have a SONAME, we will
  40         # simply use the basename.
  41         if [ -z "${soname}" ]; then
  42                 if [ -L ${file} ]; then
  43                         continue
  44                 fi
  45                 soname=$(basename ${file})
  46         fi
  47
  48         if file_is_64bit ${file}; then
  49                 is_64=true
  50                 echo "${soname}${mark64}"
  51         else
  52                 is_64=false
  53                 echo "${soname}"
  54         fi
  55
  56         # Find weak symbol provides.
  57         objdump -p ${file} 2>/dev/null | awk '
  58                 BEGIN { START=0 ; }
  59                 /Version definitions:/ { START=1; }
  60                 /^[0-9]/ && (START==1) { print $4; }
  61                 /^$/ { START=0; }' | \
  62                 grep -v ${soname} | \
  63                 while read symbol ; do
  64                     echo "${soname}(${symbol})$(${is_64} && echo ${mark64} | sed 's/()//')"
  65                 done
  66 done
  67
  68 # Search for perl provides.
  69 if [ -n "${perl_files}" ] && [ -x /usr/bin/perl ]; then
  70         perl ${BASEDIR}/perl.prov ${perl_files} | sort -u
  71 fi
  72
  73 # pkg-config files.
  74 pkgconfig=$(which pkg-config)
  75
  76 if [ -n "${pkgconfig}" -a -x "${pkgconfig}" ]; then
  77         for file in ${pkgconfig_files}; do
  78                 # Query the dependencies of the package.
  79                 ${pkgconfig} --print-provides "${file}" 2> /dev/null | while read n r v ; do
  80                         # We have a dependency.  Make a note that we need the pkgconfig
  81                         # tool for this package.
  82                         echo "pkgconfig(${n}) ${r} ${v}"
  83
  84                         # The dependency on the pkgconfig package itself.
  85                         echo "pkgconfig"
  86                 done
  87         done | sort -u
  88 fi
  89
  90 exit 0