LORDER(1) User Commands LORDER(1)

NAME

lorder - find ordering relation for an object or library archive

SYNOPSIS

lorder filename...

DESCRIPTION

The input is one or more object or library archive filenames (see
ar(1)). The standard output is a list of pairs of object file or
archive member names; the first file of the pair refers to external
identifiers defined in the second. The output may be processed by
tsort(1) to find an ordering of a library suitable for one-pass
access by ld. Note that the link editor ld is capable of multiple
passes over an archive in the portable archive format (see
ar.h(3HEAD)) and does not require that lorder be used when building
an archive. The usage of the lorder command may, however, allow for
a more efficient access of the archive during the link edit process.


The following example builds a new library from existing .o files.


ar -cr library `lorder *.o | tsort`

FILES

TMPDIR/*symref
temporary files


TMPDIR/*symdef
temporary files


TMPDIR
usually /var/tmp but can be redefined by setting
the environment variable TMPDIR (see tempnam() in
tmpnam(3C))

SEE ALSO

ar(1), ld(1), tsort(1), tmpnam(3C), ar.h(3HEAD), attributes(7)

NOTES

lorder will accept as input any object or archive file, regardless of
its suffix, provided there is more than one input file. If there is
but a single input file, its suffix must be .o.


The length of the filename for TMPDIR is limited to whatever sed
allows.

October 29, 1991 LORDER(1)