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dpkg-gencontrol(1) dpkg suite dpkg-gencontrol(1)
NAME
dpkg-gencontrol - generate Debian control files
SYNOPSIS
dpkg-gencontrol [option...]
DESCRIPTION
dpkg-gencontrol reads information from an unpacked Debian source tree and generates a
binary package control file (which defaults to debian/tmp/DEBIAN/control); during this
process it will simplify the relation fields.
Thus Pre-Depends, Depends, Recommends and Suggests are simplified in this order by
removing dependencies which are known to be true according to the stronger dependencies
already parsed. It will also remove any self-dependency (in fact it will remove any
dependency which evaluates to true given the current version of the package as installed).
Logically it keeps the intersection of multiple dependencies on the same package. The
order of dependencies is preserved as best as possible: if any dependency must be
discarded due to another dependency appearing further in the field, the superseding
dependency will take the place of the discarded one.
The other relation fields (Enhances, Conflicts, Breaks, Replaces and Provides) are also
simplified individually by computing the union of the various dependencies when a package
is listed multiple times in the field.
dpkg-gencontrol also adds an entry for the binary package to debian/files.
OPTIONS
-vversion
Sets the version number of the binary package which will be generated.
-Vname=value
Set an output substitution variable. See deb-substvars(5) for discussion of output
substitution.
-Tsubstvars-file
Read substitution variables in substvars-file; the default is debian/substvars. This
option can be used multiple times to read substitution variables from multiple files
(since dpkg 1.15.6).
-Dfield=value
Override or add an output control file field.
-Ufield
Remove an output control file field.
-ccontrol-file
Specifies the main source control file to read information from. The default is
debian/control.
-lchangelog-file
Specifies the changelog file to read information from. The default is
debian/changelog.
-ffiles-list-file
Read or write the list of files to be uploaded here, rather than using debian/files.
-Fchangelog-format
Specifies the format of the changelog. See dpkg-parsechangelog(1) for information
about alternative formats.
-ppackage
Generate information for the binary package package. If the source control file lists
only one binary package then this option may be omitted; otherwise it is essential to
select which binary package's information to generate.
-nfilename
Assume the filename of the package will be filename instead of the normal
package_version_arch.deb filename.
-is, -ip, -isp
These options are ignored for compatibility with older versions of the dpkg build
scripts but are now deprecated. Previously they were used to tell dpkg-gencontrol to
include the Section and Priority fields in the control file. This is now the default
behaviour. If you want to get the old behaviour you can use the -U option to delete
the fields from the control file.
-Ppackage-build-dir
Scan package-build-dir instead of debian/tmp. This value is used to find the default
value of the Installed-Size substitution variable and control file field, and for the
default location of the output file.
-O[filename]
Print the control file to standard output (or filename if specified, since dpkg
1.17.2), rather than to debian/tmp/DEBIAN/control (or package-build-dir/DEBIAN/control
if -P was used).
-?, --help
Show the usage message and exit.
--version
Show the version and exit.
ENVIRONMENT
DPKG_COLORS
Sets the color mode (since dpkg 1.18.5). The currently accepted values are: auto
(default), always and never.
DPKG_NLS
If set, it will be used to decide whether to activate Native Language Support, also
known as internationalization (or i18n) support (since dpkg 1.19.0). The accepted
values are: 0 and 1 (default).
FILES
debian/control
The main source control information file, giving version-independent information about
the source package and the binary packages it can produce.
debian/files
The list of generated files which are part of the upload being prepared. dpkg-
gencontrol adds the presumed filenames of binary packages whose control files it
generates here.
SEE ALSO
deb-substvars(5), deb-src-control(5), deb-changelog(5), deb-control(5).
1.21.1 2025-09-09 dpkg-gencontrol(1)
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