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/debug/*|*/usr/src/debug/*)
  18                         # Skip all debuginfo files.
  19                         continue
  20                         ;;
  21                 */usr/lib*/python*/*.so*)
  22                         # Do not show python shared objects in provides list.
  23                         ;;
  24                 */usr/lib*/gconv/*)
  25                         # Skip gconv files.
  26                         continue
  27                         ;;
  28                 *.so*)
  29                         # Skip symlinks for performance reasons.
  30                         [ -L "${file}" ] && continue
  31
  32                         file_is_elf ${file} >/dev/null 2>&1 && \
  33                                 binary_files="${binary_files} ${file}"
  34                         ;;
  35                 *.pm)
  36                         # This file is a perl module. We check them later.
  37                         perl_files="${perl_files} ${file}"
  38                         ;;
  39                 *.pc)
  40                         pkgconfig_files="${pkgconfig_files} ${file}"
  41                         ;;
  42         esac
  43 done < ${FILELIST}
  44
  45 # Search for SONAMEs in all binary files.
  46 for file in ${binary_files}; do
  47         soname=$(file_get_soname ${file})
  48
  49         # If the files does not have a SONAME, we will
  50         # simply use the basename.
  51         if [ -z "${soname}" ]; then
  52                 if [ -L ${file} ]; then
  53                         continue
  54                 fi
  55                 soname=$(basename ${file})
  56         fi
  57
  58         if file_is_64bit ${file}; then
  59                 is_64=true
  60                 echo "${soname}${mark64}"
  61         else
  62                 is_64=false
  63                 echo "${soname}"
  64         fi
  65
  66         # Find weak symbol provides.
  67         objdump -p ${file} 2>/dev/null | awk '
  68                 BEGIN { START=0 ; }
  69                 /Version definitions:/ { START=1; }
  70                 /^[0-9]/ && (START==1) { print $4; }
  71                 /^$/ { START=0; }' | \
  72                 grep -v ${soname} | \
  73                 while read symbol ; do
  74                     echo "${soname}(${symbol})$(${is_64} && echo ${mark64} | sed 's/()//')"
  75                 done
  76 done
  77
  78 # Search for perl provides.
  79 if [ -n "${perl_files}" ] && [ -x /usr/bin/perl ]; then
  80         perl ${BASEDIR}/perl.prov ${perl_files} | sort -u
  81 fi
  82
  83 # pkg-config files.
  84 pkgconfig=$(which pkg-config)
  85
  86 if [ -n "${pkgconfig}" -a -x "${pkgconfig}" ]; then
  87         for file in ${pkgconfig_files}; do
  88                 # Query the dependencies of the package.
  89                 ${pkgconfig} --print-provides "${file}" 2> /dev/null | while read n r v ; do
  90                         # We have a dependency.  Make a note that we need the pkgconfig
  91                         # tool for this package.
  92                         echo "pkgconfig(${n}) ${r} ${v}"
  93                 done
  94         done | sort -u
  95 fi
  96
  97 exit 0