redo_prebinding man page on OpenDarwin

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REDO_PREBINDING(1)					    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  exe‐
       cutable_path]  [-seg_addr_table table_file_name] [-seg_addr_table_file‐
       name 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
       prebinding  for	libraries they must be done in dependency order.  Also
       when building executables 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_pre‐
       binding	 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 archi‐
	      tectures.

       -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 specified the table entry for the install_name of
	      the  dynamic  library  is	 used  for checking 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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