Licenses vary, and some of them place restrictions on how the application can be packaged, whether it can be sold for profit, and so on.
It is your responsibility as a porter to read the licensing terms of the software and make sure that the FreeBSD project will not be held accountable for violating them by redistributing the source or compiled binaries either via FTP/HTTP or CD-ROM. If in doubt, please contact the FreeBSD ports 郵遞論壇.
In situations like this, the variables described in the following sections can be set.
This variable indicates that we may not generate a binary package of the application. For instance, the license may disallow binary redistribution, or it may prohibit distribution of packages created from patched sources.
However, the port's DISTFILES
may be
freely mirrored on FTP/HTTP. They may also be distributed on
a CD-ROM (or similar media) unless NO_CDROM
is set as well.
NO_PACKAGE
should also be used if the binary
package is not generally useful, and the application should always
be compiled from the source code. For example, if the application
has configuration information that is site specific hard coded in to
it at compile time, set NO_PACKAGE
.
NO_PACKAGE
should be set to a string
describing the reason why the package should not be
generated.
This variable alone indicates that, although we are allowed
to generate binary packages, we may put neither those packages
nor the port's DISTFILES
onto a CD-ROM (or
similar media) for resale. However, the binary packages and
the port's DISTFILES
will still be available
via FTP/HTTP.
If this variable is set along with
NO_PACKAGE
, then only the port's
DISTFILES
will be available, and only via
FTP/HTTP.
NO_CDROM
should be set to a string
describing the reason why the port cannot be redistributed
on CD-ROM. For instance, this should be used if the port's license
is for “non-commercial” use only.
Files defined in the NOFETCHFILES
variable are not fetchable from any of the
MASTER_SITES
. An example of such a
file is when the file is supplied on CD-ROM by the
vendor.
Tools which check for the availability of these files
on the MASTER_SITES
should ignore these
files and not report about them.
Set this variable alone if the application's license permits
neither mirroring the application's DISTFILES
nor distributing the binary package in any way.
NO_CDROM
or NO_PACKAGE
should not be set along with RESTRICTED
since the latter variable implies the former ones.
RESTRICTED
should be set to a string
describing the reason why the port cannot be redistributed.
Typically, this indicates that the port contains proprietary
software and that the user will need to manually download the
DISTFILES
, possibly after registering for the
software or agreeing to accept the terms of an
EULA.
When RESTRICTED
or NO_CDROM
is set, this variable defaults to ${DISTFILES}
${PATCHFILES}
, otherwise it is empty. If only some of the
distribution files are restricted, then set this variable to list
them.
Note that the port committer should add an entry to
/usr/ports/LEGAL
for every listed distribution
file, describing exactly what the restriction entails.
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