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OpenDarwin 7.2.1 - man page for redo_prebinding (opendarwin section 1)

REDO_PREBINDING(1)		     General Commands Manual		       REDO_PREBINDING(1)

NAME
       redo_prebinding - redo the prebinding of an executable or dynamic library

SYNOPSIS
       redo_prebinding	[-c | -p | -d] [-i] [-z] [-r rootdir] [-e executable_path] [-seg_addr_ta-
       ble table_file_name] [-seg_addr_table_filename pathname] [-o output_file] input_file

DESCRIPTION
       Redo_prebinding is used to redo the prebinding of an executable or  dynamic  library  when
       one  of	the  dependent	dynamic libraries changes.  The input file, executable or dynamic
       library, must have initially been prebound for this program to redo the prebinding.   Also
       all  depended  libraries  must have their prebinding up to date.  So when redoing the pre-
       binding for libraries they must be done in dependency order.  Also when building  executa-
       bles  or  dynamic libraries that are to be prebound (with the -prebind options to ld(1) or
       libtool(1)) the dependent libraries must have their prebinding up to date  or  the  result
       will not be prebound.

       The  options  allow for different types of checking for use in shell scripts.  Only one of
       -c, -p or -d can be used at a time.  If redo_prebinding redoes the prebinding on an  input
       file it will run /usr/bin/objcunique if it exists on the result.

OPTIONS
       -c     only check if the file needs to have it's prebinding redone and return status.  A 0
	      exit means the file's prebinding is up to date, 1 means it needs to be redone and 2
	      means  it  could not be checked for reasons like a dependent library is missing (an
	      error message is printed in these cases).

       -p     check only for prebound files and return status.	An exit status	of  1  means  the
	      file is a Mach-O that could have been prebound and is not otherwise the exit status
	      is 0.

       -d     check only for dynamic shared library files and return status.  An exit status of 0
	      means  the file is a dynamic shared library, 1 means the file is not, 2 means there
	      is some mix in the architectures.

       -i     ignore non-prebound files (useful when running on all types of files).

       -z     zero out the prebind check sum in the output if it has one.

       -e executable_path
	      replace any dependent library's "@executable_path" prefix with the  executable_path
	      argument.

       -seg_addr_table table_file_name
	      The  -seg_addr_table  option is used when the input a dynamic library and if speci-
	      fied the table entry for the install_name of the dynamic library is used for check-
	      ing and the address to relocate the library to as it prefered address.

       -seg_addr_table_filename pathname
	      Use  pathname  instead  of the install name of the library for matching an entry in
	      the segment address table.

       -r rootdir
	      prepend the rootdir argument to all dependent libraries.

       -o output_file
	      write the updated file into output_file rather than back into the input file.

DIAGNOSTICS
       With no -c, -p or -d an exit status of 0 means success and 2 means it could  not  be  done
       for  reasons  like  a  dependent  library is missing (an error message is printed in these
       cases).	And exit of 3 is for the specific case when the dependent libraries  are  out  of
       date with respect to each other.

Apple Computer, Inc.			September 10, 2001		       REDO_PREBINDING(1)


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