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