From 399644e47874bff147afb19c89228901ac39340e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:40:15 +0200 Subject: Adding upstream version 6.05.01. Signed-off-by: Daniel Baumann --- man8/ldconfig.8 | 204 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 204 insertions(+) create mode 100644 man8/ldconfig.8 (limited to 'man8/ldconfig.8') diff --git a/man8/ldconfig.8 b/man8/ldconfig.8 new file mode 100644 index 0000000..5bbfd86 --- /dev/null +++ b/man8/ldconfig.8 @@ -0,0 +1,204 @@ +.\" Copyright 1999 SuSE GmbH Nuernberg, Germany +.\" Author: Thorsten Kukuk +.\" +.\" SPDX-License-Identifier: GPL-2.0-or-later +.\" +.\" Modified, 6 May 2002, Michael Kerrisk, +.\" Change listed order of /usr/lib and /lib +.TH ldconfig 8 2023-03-11 "Linux man-pages 6.05.01" +.SH NAME +ldconfig \- configure dynamic linker run-time bindings +.SH SYNOPSIS +.SY /sbin/ldconfig +.\" TODO?: -c, --format, -i, --ignore-aux-cache, --print-cache, +.\" --verbose, -V, --version, -?, --help, --usage +.RB [ \-nNvVX ] +.RB [ \-C\~\c +.IR cache ] +.RB [ \-f\~\c +.IR conf ] +.RB [ \-r\~\c +.IR root ] +.IR directory \~.\|.\|. +.YS +.SY /sbin/ldconfig +.B \-l +.RB [ \-v ] +.IR library \~.\|.\|. +.YS +.SY /sbin/ldconfig +.B \-p +.YS +.SH DESCRIPTION +.B \%ldconfig +creates the necessary links and cache to the most recent shared +libraries found in the directories specified on the command line, +in the file +.IR /etc/ld.so.conf , +and in the trusted directories, +.I /lib +and +.IR /usr/lib . +On some 64-bit architectures such as x86-64, +.I /lib +and +.I /usr/lib +are the trusted directories for 32-bit libraries, +while +.I /lib64 +and +.I /usr/lib64 +are used for 64-bit libraries. +.PP +The cache is used by the run-time linker, +.I ld.so +or +.IR ld\-linux.so . +.B \%ldconfig +checks the header and filenames of the libraries it encounters when +determining which versions should have their links updated. +.\" Support for libc4 and libc5 dropped in +.\" 8ee878592c4a642937152c8308b8faef86bcfc40 (2022-07-14) as "obsolete +.\" for over twenty years". +.B \%ldconfig +should normally be run by the superuser as it may require write +permission on some root owned directories and files. +.PP +.B \%ldconfig +will look only at files that are named +.I lib*.so* +(for regular shared objects) or +.I ld\-*.so* +(for the dynamic loader itself). +Other files will be ignored. +Also, +.B \%ldconfig +expects a certain pattern to how the symbolic links are set up, +like this example, +where the middle file +.RB ( libfoo.so.1 +here) is the SONAME for the library: +.PP +.in +4n +.EX +libfoo.so \-> libfoo.so.1 \-> libfoo.so.1.12 +.EE +.in +.PP +Failure to follow this pattern may result in compatibility issues +after an upgrade. +.SH OPTIONS +.TP +.BI \-c\~ fmt +.TQ +.BI \-\-format= fmt +(Since glibc 2.2) +.\" commit 45eca4d141c047950db48c69c8941163d0a61fcd +Use cache format +.IR fmt , +which is one of +.BR old , +.BR new , +or +.BR \%compat . +Since glibc 2.32, +the default is +.BR new . +.\" commit cad64f778aced84efdaa04ae64f8737b86f063ab +Before that, +it was +.BR \%compat . +.TP +.BI \-C\~ cache +Use +.I cache +instead of +.IR /etc/ld.so.cache . +.TP +.BI \-f\~ conf +Use +.I conf +instead of +.IR /etc/ld.so.conf . +.TP +.B \-i +.TQ +.B \-\-ignore\-aux\-cache +(Since glibc 2.7) +.\" commit 27d9ffda17df4d2388687afd12897774fde39bcc +Ignore auxiliary cache file. +.TP +.B \-l +(Since glibc 2.2) +Interpret each operand as a library name and configure its links. +Intended for use only by experts. +.TP +.B \-n +Process only the directories specified on the command line; +don't process the trusted directories, +nor those specified in +.IR /etc/ld.so.conf . +Implies +.BR \-N . +.TP +.B \-N +Don't rebuild the cache. +Unless +.B \-X +is also specified, +links are still updated. +.TP +.B \-p +.TQ +.B \-\-print\-cache +Print the lists of directories and candidate libraries stored in +the current cache. +.TP +.BI \-r\~ root +Change to and use +.I root +as the root directory. +.TP +.B \-v +.TQ +.B \-\-verbose +Verbose mode. +Print current version number, +the name of each directory as it is scanned, +and any links that are created. +Overrides quiet mode. +.TP +.B \-V +.TQ +.B \-\-version +Print program version. +.TP +.B \-X +Don't update links. +Unless +.B \-N +is also specified, +the cache is still rebuilt. +.SH FILES +.\" FIXME Since glibc-2.3.4, "include" directives are supported in ld.so.conf +.\" +.\" FIXME Since glibc-2.4, "hwcap" directives are supported in ld.so.conf +.PD 0 +.TP +.I /lib/ld.so +is the run-time linker/loader. +.TP +.I /etc/ld.so.conf +contains a list of directories, +one per line, +in which to search for libraries. +.TP +.I /etc/ld.so.cache +contains an ordered list of libraries found in the directories +specified in +.IR /etc/ld.so.conf , +as well as those found in the trusted directories. +.PD +.SH SEE ALSO +.BR ldd (1), +.BR ld.so (8) -- cgit v1.2.3