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 # $DragonFly: src/tools/tools/upgrade/Attic/move_aout_libs.sh,v 1.2 2003/06/17 04:29:11 dillon Exp $
   5 #
   6 # Search for a.out libraries and move them to an aout subdirectory of
   7 # the elf library directory.
   8 #
   9 # The arguments are the directories to search.
  10 #
  11 libdirs="$*"
  12
  13 # Create a temporary tool to get the timestamp of libraries. No, I don't
  14 # want to use perl or whatever.
  15 create_get_time_stamp ( )
  16 {
  17         echo "#include <stdio.h>" > /tmp/get_time_stamp.c
  18         echo "#include <sys/stat.h>" >> /tmp/get_time_stamp.c
  19         echo "int main(int argc, char *argv[]) {" >> /tmp/get_time_stamp.c
  20         echo "int ierr; struct stat fs;" >> /tmp/get_time_stamp.c
  21         echo "if ((ierr = stat(argv[1],&fs)) == 0)" >> /tmp/get_time_stamp.c
  22         echo "printf(\"%ld\n\",(long) fs.st_mtime);" >> /tmp/get_time_stamp.c
  23         echo "return (ierr); }" >> /tmp/get_time_stamp.c
  24         gcc -o /tmp/get_time_stamp /tmp/get_time_stamp.c
  25         rm /tmp/get_time_stamp.c
  26         return
  27 }
  28
  29 # Move an a.out library to the aout subdirectory of the elf directory.
  30 move_file ( )
  31 {
  32         if test -d $dir/aout; then
  33         else
  34                 echo "Creating directory $dir/aout"
  35                 mkdir $dir/aout
  36                 ldconfig -m $dir/aout
  37         fi
  38         fname=${file#$dir/}
  39         if test -f $dir/aout/$fname; then
  40                 if test -x /tmp/get_time_stamp; then
  41                 else
  42                         create_get_time_stamp
  43                 fi
  44                 t1=`/tmp/get_time_stamp $dir/aout/$fname`
  45                 t2=`/tmp/get_time_stamp $file`
  46                 if test $t1 -gt $t2; then
  47                         echo $file is older than $dir/aout/$fname
  48                         answer=""
  49                         while test "$answer" != "y" -a "$answer" != "n"; do
  50                                 read -p "OK to delete the older file? (y/n) " answer
  51                         done
  52                         if test $answer = "y"; then
  53                                 echo Deleting $file
  54                                 chflags noschg $file
  55                                 rm $file
  56                         else
  57                                 echo "You need to move $file out of $dir because that's an elf directory"
  58                         fi
  59                 else
  60                         echo $dir/aout/$fname is older than $file
  61                         answer=""
  62                         while test "$answer" != "y" -a "$answer" != "n"; do
  63                                 read -p "OK to overwrite the older file? (y/n) " answer
  64                         done
  65                         if test $answer = "y"; then
  66                                 echo Overwriting $dir/aout/$fname with $file
  67                                 chflags noschg $file
  68                                 mv $file $dir/aout/$fname
  69                                 ldconfig -R
  70                         else
  71                                 echo "You need to move $file out of $dir because that's an elf directory"
  72                         fi
  73                 fi
  74         else
  75                 echo Move $fname from $dir to $dir/aout
  76                 chflags noschg $file
  77                 mv $file $dir/aout/$fname
  78                 ldconfig -R
  79         fi
  80         return
  81 }
  82
  83 # Given a list of files in a directory, find those that are a.out
  84 # libraries and move them.
  85 move_if_aout ( )
  86 {
  87         # Check each library
  88         for file in $files
  89         do
  90                 # Don't touch symbolic links yet. It's not clear how
  91                 # they should be handled.
  92                 if test -h $file; then
  93                 else
  94                         # Check that this is a normal file.
  95                         if test -f $file; then
  96                                 # Identify the file by magic
  97                                 filemagic=`file $file`
  98
  99                                 # Check if the file is an a.out library
 100                                 if expr "$filemagic" : ".*$aoutmagic"; then
 101                                         # Move the a.out library
 102                                         move_file
 103                                 fi
 104                         fi
 105                 fi
 106         done
 107         return
 108 }
 109
 110 # Only search the directories specified.
 111 for dir in $libdirs
 112 do
 113         # Make sure the directory exists, or ldconfig will choke later.
 114         mkdir -p $dir $dir/aout
 115
 116         echo "Searching library directory $dir for a.out libraries..."
 117
 118         # Get a list of archive libraries.
 119         files=`ls $dir/*.a 2> /dev/null`
 120
 121         # a.out archive libraries look like this:
 122         aoutmagic="current ar archive random library"
 123
 124         # Move each a.out archive library:
 125         move_if_aout
 126
 127         # Get a list of shared libraries
 128         files=`ls $dir/*.so.*.* 2> /dev/null`
 129
 130         # a.out shared libraries look like this:
 131         aoutmagic="FreeBSD/i386 compact demand paged shared library"
 132
 133         # Move each a.out shared library:
 134         move_if_aout
 135 done
 136
 137 # If we created the time stamp program, delete it:
 138 if test -x /tmp/get_time_stamp; then
 139         rm /tmp/get_time_stamp
 140 fi