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NAME | SYNOPSIS | DESCRIPTION | SONAME FORMATS | EXAMPLES | SEE ALSO | COLOPHON |
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deb-shlibs(5) dpkg suite deb-shlibs(5)
deb-shlibs - Debian shared library information file
debian/shlibs, debian/binary-name.shlibs, DEBIAN/shlibs
shlibs files map shared library names and versions (SONAMEs) to
dependencies suitable for a package control file. There is one
entry per line. Blank lines are not allowed. Lines beginning
with a # character are considered commentary, and are ignored.
All other lines must have the format:
[type:] library version dependencies
The library and version fields are whitespace-delimited, but the
dependencies field extends to the end of the line. The type field
is optional and normally not needed.
The dependencies field has the same syntax as the Depends field in
a binary control file, see deb-control(5).
The SONAME formats supported are:
name.so.version
and
name-version.so
where name is usually prefixed by lib.
The former tends to be used by shared libraries with stable
interfaces. The latter by shared libraries with unstable
interfaces, where the whole version becomes part of the SONAME and
needs to be specified in full when linking against those
libraries.
The shlibs file for a typical library package, named libcrunch1,
that provides one library whose SONAME is libcrunch.so.1, might
read
libcrunch 1 libcrunch1 (>= 1.2-1)
The dependencies must mention the most recent version of the
package that added new symbols to the library: in the above
example, new symbols were added to version 1.2 of libcrunch. This
is not the only reason the dependencies might need to be
tightened.
deb-control(5), deb-symbols(5), dpkg-shlibdeps(1).
This page is part of the dpkg (Debian Package Manager) project.
Information about the project can be found at
⟨https://wiki.debian.org/Teams/Dpkg/⟩. If you have a bug report
for this manual page, see
⟨http://bugs.debian.org/cgi-bin/pkgreport.cgi?src=dpkg⟩. This
page was obtained from the project's upstream Git repository ⟨git
clone https://git.dpkg.org/git/dpkg/dpkg.git⟩ on 2025-08-11. (At
that time, the date of the most recent commit that was found in
the repository was 2025-08-06.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
1.22.6-77-g86fe7 2024-03-10 deb-shlibs(5)
Pages that refer to this page: dpkg-shlibdeps(1), deb(5)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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