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Source Package Fields [fields-src]
==================================
The fields in the source package metadata are:
* `Maintainer` (required)
The name and e-mail address of the package maintainer. This field must
follow the syntax of the `mailbox` symbol in RFC 5322 section 3.4.
* `Build-Depends` (optional)
A list of packages that must be installed before the package can be built.
Variable substitutions are performed on the value of this field.
* `Homepage` (optional)
The URL of the Web site for the package. Accessible at this site should be
origin source code and documentation and/or information. Though the
information in this field is machine-usable, the URL must not be surrounded
by angle brackets or any other characters.
Binary Package Fields [fields-bin]
==================================
The fields in the binary package metadata are:
* `Architecture` (required)
A list of architectures for which this package may be built. The value may
be any one of the following:
- The string `all` to specify that all of the provided files are
architecture-independent;
- The string `any` to specify that at least some of the provided files are
architecture-dependent; or
- A space-separated list of one or more real or wildcard binary architecture
strings to specify that at least some of the provided files are only
usable on systems of the named binary architecture(s).
A "wildcard" binary architecture string is one in which one or two
components (called "wildcard components") is the string `any`. It shall be
considered to match any real binary architecture string for which the
non-wildcard components are equal.
* `Platform` (required)
A list of platforms for which this package may be built. The value may be
any one of the following:
- The string `all` to specify that all of the provided files are
platform-independent;
- The string `any` to specify that at least some of the provided files are
platform-dependent; or
- A space-separated list of one or more platform strings to specify that at
least some of the provided files are only usable on systems of the named
platform(s).
* `Section` (optional, may be required in a future version of this Source
Package Format)
The name of the section in the package archive into which this package is to
be installed. Packages with a `Section` field must provide only files
related to the specified section. The value may be any one of the
following:
- The string `boot` for packages containing only boot loaders, kernel
images, and device firmware;
- The string `dbg` for architecture-dependent packages containing only
debugging symbols;
- The string `dev` for platform-independent packages containing only
utilities used to build other packages, such as distribution package build
utilities, compilers, and utilities that configure compiler and linker
flags;
- The string `doc` for architecture-independent platform-independent
packages containing only manual pages and other upstream documentation
files;
- The string `lib` for architecture-dependent packages containing only
shared libraries and object files;
- The string `libdev` for architecture-dependent packages containing only
header files, unversioned library symbolic links used when linking, and
configuration files and architecture-independent utilities that configure
compiler and linker flags;
- The string `locale` for architecture-independent platform-independent
packages containing only locale files;
- The string `share` for architecture-independent packages containing only
data; and
- The string `util` for packages containing only executable files, such as
utilities and binaries run by other programs.
No packages may declare any relationships (via `Depends`, `Recommends`,
etc.) with packages in sections `dbg`, `doc`, or `locale`. Only packages
in section `boot` may declare relationships on other packages in the same
section. Only binary packages in section `dev` and source packages (via
`Build-Depends`) may declare relationships with packages in sections `dev`
and `libdev`. These restrictions allow feed lists for sections `boot`,
`dbg`, `dev`, `doc`, `libdev`, and `locale` to be excluded from systems that
don't need the packages they contain. That is, only sections `lib`,
`share`, and `util` are available on all systems, and additionally sections
`dev` and `libdev` are available when building packages.
All packages in section `lib` must allow coinstallation of packages of the
same name and different architectures. Specifically, all non-directory
files must have architecture-qualified paths.
* `Essential` (optional)
A flag to indicate whether the package is essential for the functioning of a
system on which it is installed. If this field is set to `yes`, opkg will
refuse to remove the package except when upgrading it. If this field is set
to any other value or is omitted, the package may be removed by a user.
* `Depends` (optional)
A list of packages that must be installed and configured before the package
may itself be configured.
Variable substitutions are performed on the value of this field.
* `Recommends` (optional)
Variable substitutions are performed on the value of this field.
* `Suggests` (optional)
Variable substitutions are performed on the value of this field.
* `Pre-Depends` (optional)
A list of packages that must be installed before the package may itself be
installed.
Variable substitutions are performed on the value of this field.
* `Conflicts` (optional)
Variable substitutions are performed on the value of this field.
* `Provides` (optional)
Variable substitutions are performed on the value of this field.
* `Replaces` (optional)
Variable substitutions are performed on the value of this field.
* `Description` (required)
A description of the binary package. This is a multiline field. The first
line is a short synopsis, and all following lines are an extended
description.
Variable substitutions are performed on the value of this field.
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