.\"	$OpenBSD: ldd.1,v 1.6 2003/06/09 16:10:04 deraadt Exp $
.\"
.\" Copyright (c) 1996 Per Fogelstrom
.\"
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.\" modification, are permitted provided that the following conditions
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.Dd October 4, 1996
.Dt LDD 1
.Os
.Sh NAME
.Nm ldd
.Nd list dynamic object dependencies
.Sh SYNOPSIS
.Nm ldd
.Op Fl x
.Ar program
.Sh DESCRIPTION
.Nm
displays the shared objects needed to run
.Ar program .
.Nm
uses the
.Dv DT_NEEDED
tags to determine what dynamic objects are required.
To list the objects
.Nm
sets the environment variable
.Ev LD_TRACE_LOADED_OBJECTS
and then execs
.Ar program .
.Pp
If
.Nm
is invoked with the
.Fl x
flag, the tags from
.Ar program
are listed without using current ldconfig configuration.
.Sh DIAGNOSTICS
Exit status 0 if no error.
Exit status 1 if arg error.
Exit status 2 if
.Ar program
can't be read.
If
.Nm
fails to open the program file a message is printed.
.Sh SEE ALSO
.Xr ld.so 1 ,
.Xr ldconfig 8