A script for use when upgrading an installed system from aout to
elf.
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parent
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commit
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=38972
137
tools/tools/upgrade/move_aout_libs.sh
Executable file
137
tools/tools/upgrade/move_aout_libs.sh
Executable file
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#!/bin/sh
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#
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# $Id$
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#
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# Search for a.out libraries and move them to an aout subdirectory of
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# the elf library directory.
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#
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# The arguments are the directories to search.
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#
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libdirs="$*"
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# Create a temporary tool to get the timestamp of libraries. No, I don't
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# want to use perl or whatever.
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create_get_time_stamp ( )
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{
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echo "#include <stdio.h>" > /tmp/get_time_stamp.c
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echo "#include <sys/stat.h>" >> /tmp/get_time_stamp.c
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echo "int main(int argc, char *argv[]) {" >> /tmp/get_time_stamp.c
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echo "int ierr; struct stat fs;" >> /tmp/get_time_stamp.c
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echo "if ((ierr = stat(argv[1],&fs)) == 0)" >> /tmp/get_time_stamp.c
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echo "printf(\"%ld\n\",(long) fs.st_mtime);" >> /tmp/get_time_stamp.c
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echo "return (ierr); }" >> /tmp/get_time_stamp.c
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gcc -o /tmp/get_time_stamp /tmp/get_time_stamp.c
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rm /tmp/get_time_stamp.c
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return
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}
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# Move an a.out library to the aout subdirectory of the elf directory.
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move_file ( )
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{
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if test -d $dir/aout; then
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else
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echo "Creating directory $dir/aout"
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mkdir $dir/aout
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ldconfig -m $dir/aout
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fi
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fname=${file#$dir/}
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if test -f $dir/aout/$fname; then
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if test -x /tmp/get_time_stamp; then
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else
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create_get_time_stamp
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fi
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t1=`/tmp/get_time_stamp $dir/aout/$fname`
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t2=`/tmp/get_time_stamp $file`
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if test $t1 -gt $t2; then
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echo $file is older than $dir/aout/$fname
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answer=""
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while test "$answer" != "y" -a "$answer" != "n"; do
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read -p "OK to delete the older file? (y/n) " answer
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done
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if test $answer = "y"; then
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echo Deleting $file
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rm $file
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else
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echo "You need to move $file out of $dir because that's an elf directory"
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fi
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else
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echo $dir/aout/$fname is older than $file
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answer=""
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while test "$answer" != "y" -a "$answer" != "n"; do
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read -p "OK to overwrite the older file? (y/n) " answer
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done
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if test $answer = "y"; then
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echo Overwriting $dir/aout/$fname with $file
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mv $file $dir/aout/$fname
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ldconfig -R
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else
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echo "You need to move $file out of $dir because that's an elf directory"
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fi
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fi
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else
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echo Move $fname from $dir to $dir/aout
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mv $file $dir/aout/$fname
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ldconfig -R
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fi
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return
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}
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# Given a list of files in a directory, find those that are a.out
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# libraries and move them.
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move_if_aout ( )
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{
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# Check each library
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for file in $files
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do
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# Don't touch symbolic links yet. It's not clear how
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# they should be handled.
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if test -h $file; then
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else
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# Check that this is a normal file.
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if test -f $file; then
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# Identify the file by magic
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filemagic=`file $file`
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# Check if the file is an a.out library
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if test "$filemagic" = "$file: $aoutmagic"; then
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# Move the a.out library
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move_file
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fi
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fi
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fi
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done
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return
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}
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# Only search the directories specified.
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for dir in $libdirs
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do
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# Check that the directory actually exists. There is no point
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# searching missing directories.
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if test -d $dir; then
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echo "Searching library directory $dir for a.out libraries..."
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# Get a list of archive libraries.
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files=`ls $dir/*.a 2> /dev/null`
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# a.out archive libraries look like this:
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aoutmagic="current ar archive random library"
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# Move each a.out archive library:
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move_if_aout
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# Get a list of shared libraries
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files=`ls $dir/*.so.*.* 2> /dev/null`
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# a.out shared libraries look like this:
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aoutmagic="FreeBSD/i386 compact demand paged shared library not stripped"
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# Move each a.out shared library:
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move_if_aout
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fi
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done
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# If we created the time stamp program, delete it:
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if test -x /tmp/get_time_stamp; then
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rm /tmp/get_time_stamp
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fi
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