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LORDER(1)		    General Commands Manual		     LORDER(1)

NAME
       lorder -- list dependencies for object files

SYNOPSIS
       lorder file ...

DESCRIPTION
       The  lorder  utility  uses nm(1)	to determine interdependencies between
       object files and	library	archives listed	on its command line.  It  then
       outputs	a list of pairs	of file	names such that	the first file in each
       pair references at least	one symbol defined by the second.

       The output is normally used with	tsort(1) when a	library	is created  to
       determine the optimum ordering of the object modules so that all	refer-
       ences may be resolved in	a single pass of the loader.

       Similarly,  when	 linking  static  binaries, lorder and tsort(1)	can be
       used to sort libraries in order of dependency.

       While contemporary linkers no longer require the	use of lorder,	it  is
       provided	 for  the benefit of legacy code bases and build systems which
       still insist on it.

ENVIRONMENT
       NM      Path to the nm(1) binary, defaults to "nm".

       NMFLAGS
	       Flags to	pass to	nm(1).

EXAMPLES
	     ar	cr library.a `lorder ${OBJS} | tsort`
	     cc	-o foo ${OBJS} `lorder ${STATIC_LIBS} |	tsort`

SEE ALSO
       ar(1), ld(1), nm(1), ranlib(1), tsort(1)

HISTORY
       A lorder	utility	appeared in Version 7 AT&T UNIX.

CAVEATS
       The lorder utility will not work	properly  if  given  file  names  with
       spaces or newlines in them.

FreeBSD	15.0		       February	27, 2024		     LORDER(1)

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