tools/tools/upgrade/move_aout_libs.sh

   1 #!/bin/sh
   2 #
   3 # $FreeBSD: src/tools/tools/upgrade/move_aout_libs.sh,v 1.6 1999/08/28 00:54:34 peter Exp $
   4 #
   5 # Search for a.out libraries and move them to an aout subdirectory of
   6 # the elf library directory.
   7 #
   8 # The arguments are the directories to search.
   9 #
  10 libdirs="$*"
  11
  12 # Create a temporary tool to get the timestamp of libraries. No, I don't
  13 # want to use perl or whatever.
  14 create_get_time_stamp ( )
  15 {
  16         echo "#include <stdio.h>" > /tmp/get_time_stamp.c
  17         echo "#include <sys/stat.h>" >> /tmp/get_time_stamp.c
  18         echo "int main(int argc, char *argv[]) {" >> /tmp/get_time_stamp.c
  19         echo "int ierr; struct stat fs;" >> /tmp/get_time_stamp.c
  20         echo "if ((ierr = stat(argv[1],&fs)) == 0)" >> /tmp/get_time_stamp.c
  21         echo "printf(\"%ld\n\",(long) fs.st_mtime);" >> /tmp/get_time_stamp.c
  22         echo "return (ierr); }" >> /tmp/get_time_stamp.c
  23         gcc -o /tmp/get_time_stamp /tmp/get_time_stamp.c
  24         rm /tmp/get_time_stamp.c
  25         return
  26 }
  27
  28 # Move an a.out library to the aout subdirectory of the elf directory.
  29 move_file ( )
  30 {
  31         if test -d $dir/aout; then
  32         else
  33                 echo "Creating directory $dir/aout"
  34                 mkdir $dir/aout
  35                 ldconfig -m $dir/aout
  36         fi
  37         fname=${file#$dir/}
  38         if test -f $dir/aout/$fname; then
  39                 if test -x /tmp/get_time_stamp; then
  40                 else
  41                         create_get_time_stamp
  42                 fi
  43                 t1=`/tmp/get_time_stamp $dir/aout/$fname`
  44                 t2=`/tmp/get_time_stamp $file`
  45                 if test $t1 -gt $t2; then
  46                         echo $file is older than $dir/aout/$fname
  47                         answer=""
  48                         while test "$answer" != "y" -a "$answer" != "n"; do
  49                                 read -p "OK to delete the older file? (y/n) " answer
  50                         done
  51                         if test $answer = "y"; then
  52                                 echo Deleting $file
  53                                 chflags noschg $file
  54                                 rm $file
  55                         else
  56                                 echo "You need to move $file out of $dir because that's an elf directory"
  57                         fi
  58                 else
  59                         echo $dir/aout/$fname is older than $file
  60                         answer=""
  61                         while test "$answer" != "y" -a "$answer" != "n"; do
  62                                 read -p "OK to overwrite the older file? (y/n) " answer
  63                         done
  64                         if test $answer = "y"; then
  65                                 echo Overwriting $dir/aout/$fname with $file
  66                                 chflags noschg $file
  67                                 mv $file $dir/aout/$fname
  68                                 ldconfig -R
  69                         else
  70                                 echo "You need to move $file out of $dir because that's an elf directory"
  71                         fi
  72                 fi
  73         else
  74                 echo Move $fname from $dir to $dir/aout
  75                 chflags noschg $file
  76                 mv $file $dir/aout/$fname
  77                 ldconfig -R
  78         fi
  79         return
  80 }
  81
  82 # Given a list of files in a directory, find those that are a.out
  83 # libraries and move them.
  84 move_if_aout ( )
  85 {
  86         # Check each library
  87         for file in $files
  88         do
  89                 # Don't touch symbolic links yet. It's not clear how
  90                 # they should be handled.
  91                 if test -h $file; then
  92                 else
  93                         # Check that this is a normal file.
  94                         if test -f $file; then
  95                                 # Identify the file by magic
  96                                 filemagic=`file $file`
  97
  98                                 # Check if the file is an a.out library
  99                                 if expr "$filemagic" : ".*$aoutmagic"; then
 100                                         # Move the a.out library
 101                                         move_file
 102                                 fi
 103                         fi
 104                 fi
 105         done
 106         return
 107 }
 108
 109 # Only search the directories specified.
 110 for dir in $libdirs
 111 do
 112         # Make sure the directory exists, or ldconfig will choke later.
 113         mkdir -p $dir $dir/aout
 114
 115         echo "Searching library directory $dir for a.out libraries..."
 116
 117         # Get a list of archive libraries.
 118         files=`ls $dir/*.a 2> /dev/null`
 119
 120         # a.out archive libraries look like this:
 121         aoutmagic="current ar archive random library"
 122
 123         # Move each a.out archive library:
 124         move_if_aout
 125
 126         # Get a list of shared libraries
 127         files=`ls $dir/*.so.*.* 2> /dev/null`
 128
 129         # a.out shared libraries look like this:
 130         aoutmagic="FreeBSD/i386 compact demand paged shared library"
 131
 132         # Move each a.out shared library:
 133         move_if_aout
 134 done
 135
 136 # If we created the time stamp program, delete it:
 137 if test -x /tmp/get_time_stamp; then
 138         rm /tmp/get_time_stamp
 139 fi