mirror of https://github.com/mkerrisk/man-pages
80 lines
2.2 KiB
Groff
80 lines
2.2 KiB
Groff
.\" Copyright 1995-2000 David Engel (david@ods.com)
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.\" Copyright 1995 Rickard E. Faith (faith@cs.unc.edu)
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.\" Copyright 2000 Ben Collins (bcollins@debian.org)
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.\" Redone for GLibc 2.2
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.\" Copyright 2000 Jakub Jelinek (jakub@redhat.com)
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.\" Corrected.
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.\" Most of this was copied from the README file.
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.\" Do not restrict distribution.
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.\" May be distributed under the GNU General Public License
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.TH LDD 1 2000-10-30 "" "Linux Programmer's Manual"
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.SH NAME
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ldd \- print shared library dependencies
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.SH SYNOPSIS
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.B ldd
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.R [OPTION]...
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FILE...
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.SH DESCRIPTION
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.B ldd
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prints the shared libraries required by each program or shared library
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specified on the command line.
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.SH OPTIONS
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.TP
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.B \-\-version
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Print the version number of
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.BR ldd .
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.TP
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.B \-v\ \-\-verbose
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Print all information, including, for example,
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symbol versioning information.
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.TP
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.B \-u\ \-\-unused
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Print unused direct dependencies.
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(Since glibc 2.3.4.)
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.TP
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.B \-d\ \-\-data\-relocs
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Perform relocations and report any missing objects (ELF only).
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.TP
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.B \-r\ \-\-function\-relocs
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Perform relocations for both data objects and functions, and
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report any missing objects or functions (ELF only).
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.TP
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.B \-\-help
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Usage information.
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.SH NOTES
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The standard version of
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.B ldd
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comes with glibc2.
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Libc5 came with an older version, still present
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on some systems.
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The long options are not supported by the libc5 version.
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On the other hand, the glibc2 version does not support
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.B \-V
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and only has the equivalent
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.BR \-\-version .
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.LP
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The libc5 version of this program will use the name of a library given
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on the command line as-is when it contains a '/'; otherwise it
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searches for the library in the standard locations.
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To run it
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on a shared library in the current directory, prefix the name with "./".
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.SH BUGS
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.B ldd
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does not work on a.out shared libraries.
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.PP
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.B ldd
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does not work with some extremely old a.out programs which were
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built before
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.B ldd
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support was added to the compiler releases.
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If you use
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.B ldd
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on one of these programs, the program will attempt to run with
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\fIargc\fP = 0 and the results will be unpredictable.
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.\" .SH AUTHOR
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.\" David Engel.
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.\" Roland McGrath and Ulrich Drepper.
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.SH SEE ALSO
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.BR ld.so (8),
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.BR ldconfig (8)
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