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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | NOTES | CONFORMS TO | SEE ALSO | AUTHOR | COLOPHON |
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DH_STRIP(1) Debhelper DH_STRIP(1)
dh_strip - strip executables, shared libraries, and some static
libraries
dh_strip [debhelper options] [-Xitem] [--dbg-package=package]
[--keep-debug]
dh_strip is a debhelper program that is responsible for stripping
out debug symbols in executables, shared libraries, and static
libraries that are not needed during execution.
This program examines your package build directories and works out
what to strip on its own. It uses file(1) and file permissions and
filenames to figure out what files are shared libraries (*.so),
executable binaries, and static (lib*.a) and debugging libraries
(lib*_g.a, debug/*.so), and strips each as much as is possible.
(Which is not at all for debugging libraries.) In general it seems
to make very good guesses, and will do the right thing in almost
all cases.
Since it is very hard to automatically guess if a file is a
module, and hard to determine how to strip a module, dh_strip does
not currently deal with stripping binary modules such as .o files.
-Xitem, --exclude=item
Exclude files that contain item anywhere in their filename
from being stripped. You may use this option multiple times to
build up a list of things to exclude.
--dbg-package=package
This option is a now special purpose option that you normally
do not need. In most cases, there should be little reason to
use this option for new source packages as debhelper
automatically generates debug packages ("dbgsym packages").
If you have a manual --dbg-package that you want to replace
with an automatically generated debug symbol package, please
see the --dbgsym-migration option.
Causes dh_strip to save debug symbols stripped from the
packages it acts on as independent files in the package build
directory of the specified debugging package.
For example, if your packages are libfoo and foo and you want
to include a foo-dbg package with debugging symbols, use
dh_strip --dbg-package=foo-dbg.
This option implies --no-automatic-dbgsym and cannot be used
with --automatic-dbgsym or --dbgsym-migration.
-k, --keep-debug
This option is a now special purpose option that you normally
do not need. In most cases, there should be little reason to
use this option for new source packages as debhelper
automatically generates debug packages ("dbgsym packages").
If you have a manual --dbg-package that you want to replace
with an automatically generated debug symbol package, please
see the --dbgsym-migration option.
Debug symbols will be retained, but split into an independent
file in usr/lib/debug/ in the package build directory.
--dbg-package is easier to use than this option, but this
option is more flexible.
This option implies --no-automatic-dbgsym and cannot be used
with --automatic-dbgsym.
--dbgsym-migration=package-relation
This option is used to migrate from a manual "-dbg" package
(created with --dbg-package) to an automatic generated debug
symbol package. This option should describe a valid Replaces-
and Breaks-relation, which will be added to the debug symbol
package to avoid file conflicts with the (now obsolete) -dbg
package.
This option implies --automatic-dbgsym and cannot be used with
--keep-debug, --dbg-package or --no-automatic-dbgsym.
Examples:
dh_strip --dbgsym-migration='libfoo-dbg (<< 2.1-3~)'
dh_strip --dbgsym-migration='libfoo-tools-dbg (<< 2.1-3~), libfoo2-dbg (<< 2.1-3~)'
--automatic-dbgsym, --no-automatic-dbgsym
Control whether dh_strip should be creating debug symbol
packages when possible.
The default is to create debug symbol packages.
--ddebs, --no-ddebs
Historical name for --automatic-dbgsym and
--no-automatic-dbgsym.
--ddeb-migration=package-relation
Historical name for --dbgsym-migration.
If the DEB_BUILD_OPTIONS environment variable contains nostrip,
nothing will be stripped, in accordance with Debian policy
(section 10.1 "Binaries"). This will also inhibit the automatic
creation of debug symbol packages.
The automatic creation of debug symbol packages can also be
prevented by adding noautodbgsym to the DEB_BUILD_OPTIONS
environment variable. However, dh_strip will still add debuglinks
to ELF binaries when this flag is set. This is to ensure that the
regular deb package will be identical with and without this flag
(assuming it is otherwise "bit-for-bit" reproducible).
Debian policy, version 3.0.1
debhelper(7)
This program is a part of debhelper.
Joey Hess <joeyh@debian.org>
This page is part of the debhelper (helper programs for
debian/rules) project. Information about the project can be found
at [unknown -- if you know, please contact man-pages@man7.org] If
you have a bug report for this manual page, send it to
submit@bugs.debian.org. This page was obtained from the project's
upstream Git repository
⟨https://salsa.debian.org/debian/debhelper.git⟩ on 2025-08-11.
(At that time, the date of the most recent commit that was found
in the repository was 2025-08-10.) 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
man-pages@man7.org
13.11.7 2023-09-12 DH_STRIP(1)
Pages that refer to this page: dh(1), dh_builddeb(1), debhelper(7)
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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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