lipo man page on OPENSTEP

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LIPO(1)								       LIPO(1)

NAME
       lipo - create or operate on fat files

SYNOPSIS
       lipo  [-info]  [-detailed_info]	[-arch	arch_type  input_file]	...  [
       input_file]  ...	  [-create]  [-thin  arch_type]	 [-replace   arch_type
       filename]  ...	[-remove  arch_type]  ...   [-extract  arch_type]  ...
       [-extract_family	 arch_type]  ...   [-output  output_file]   [-segalign
       arch_type value] ...

DESCRIPTION
       The  lipo  command  creates or operates on ``fat'' (multi-architecture)
       files.  It only ever produces one output file,  and  never  alters  the
       input  file.   The  operations  that  lipo  performs  are:  listing the
       architecture types in a fat file; creating a single fat file  from  one
       or  more	 input	files; thinning out a single fat file to one specified
       architecture  type;  and	  extracting,	replacing,   and/or   removing
       architectures  types  from  the	input  file to create a single new fat
       output file.

       Only one option can be specified, with the exception of -arch, -output,
       and  -segalign,	which are used in combination with other options.  The
       input_file argument is required, and only  the  -create	option	allows
       more  than  one	input_file  to be specified.  The -output flag must be
       used, except with the -info and -detailed_info flags.

       The arch_type arguments may be any of the supported architecture	 names
       listed in the man page arch(3)exceptforVAXandMips.

OPTIONS
       -info  Briefly  list the architecture types in the input fat file (just
	      the names of each architecture).

       -detailed_info
	      Display a detailed list of the architecture types in  the	 input
	      fat  file	 (all  the the information in the fat header, for each
	      architecture in the file).

       -arch arch_type input_file
	      Tells lipo that input_file contains the  specified  architecture
	      type.   The  -arch  arch_type  specification  is	unnecessary if
	      input_file is an object file, a fat file,	 or  some  other  file
	      whose architecture(s) lipo can figure out.

       -output output_file
	      Specifies its argument to be the output file.

       -create
	      Take  the	 input	files (or file) and create one fat output file
	      from them.

       -thin arch_type
	      Take one input file and create  a	 thin  output  file  with  the
	      specified arch_type.

       -replace arch_type file_name
	      Take  one	 fat  input  file;  in	the  output  file, replace the
	      arch_type contents of the input file with the  contents  of  the
	      specified file_name.

       -remove arch_type
	      Take  one	 fat input file and remove the arch_type from that fat
	      file, placing the result in the output file.

       -extract arch_type
	      Take one fat input file and copy the  arch_type  from  that  fat
	      file into a fat output file containing only that architecture.

       -extract_family arch_type
	      Take  one	 fat input file and copy all of the arch_types for the
	      family that arch_type is in from that fat file  into  an	output
	      file containing only those architectures.	 The file will be thin
	      if only one architecture is found or fat otherwise.

       -segalign arch_type value
	      Set the  segment	alignment  of  the  specified  arch_type  when
	      creating	a  fat	file containing that architecture.  value is a
	      hexadecimal number that must be an integral power of 2.  This is
	      only needed when lipo can't figure out the alignment of an input
	      file (currently not an object file), or when it guesses  at  the
	      alignment	 too conservatively.  The default for files unknown to
	      lipo is 0 (2^0, or an alignment of one byte),  and  the  default
	      alignment for archives is 4 (2^2, or 4-byte alignment).

SEE ALSO
       arch(3)

NeXT Computer, Inc.		 April 3, 1995			       LIPO(1)
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