1.\" $OpenBSD: ldd.1,v 1.10 2012/09/17 21:13:50 jmc Exp $ 2.\" 3.\" Copyright (c) 1996 Per Fogelstrom 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 15.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 18.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" 27.Dd $Mdocdate: September 17 2012 $ 28.Dt LDD 1 29.Os 30.Sh NAME 31.Nm ldd 32.Nd list dynamic object dependencies 33.Sh SYNOPSIS 34.Nm ldd 35.\".Op Fl x 36.Ar program ... 37.Sh DESCRIPTION 38.Nm 39displays the shared objects needed to run 40.Ar program . 41.Nm 42uses the 43.Dv DT_NEEDED 44tags to determine what dynamic objects are required. 45To list the objects 46.Nm 47sets the environment variable 48.Ev LD_TRACE_LOADED_OBJECTS 49and then execs 50.Ar program . 51.\".Pp 52.\"If 53.\".Nm 54.\"is invoked with the 55.\".Fl x 56.\"flag, the tags from 57.\".Ar program 58.\"are listed without using current ldconfig configuration. 59.Sh EXIT STATUS 60.Ex -std ldd 61.Sh SEE ALSO 62.Xr ld.so 1 , 63.Xr ldconfig 8 64