Table of Contents
Advertisement
portion or
derivative of it, under Section 2) in object code or
executable form
under the terms of Sections 1 and 2 above provided
that you accompany
it with the complete corresponding machine-
readable source code, which
must be distributed under the terms of Sections 1 and
2 above on a
medium customarily used for software interchange.
If distribution of object code is made by offering
access to copy
from a designated place, then offering equivalent
access to copy the
source code from the same place satisfies the
requirement to
distribute the source code, even though third parties
are not
compelled to copy the source along with the object
code.
5. A program that contains no derivative of any
portion of the
Library, but is designed to work with the Library by
being compiled or
linked with it, is called a "work that uses the Library".
Such a
work, in isolation, is not a derivative work of the
Library, and
therefore falls outside the scope of this License.
However, linking a "work that uses the Library" with
the Library
creates an executable that is a derivative of the
Library (because it
contains portions of the Library), rather than a "work
that uses the
library". The executable is therefore covered by this
License.
Section 6 states terms for distribution of such
executables.
When a "work that uses the Library" uses material
from a header file
that is part of the Library, the object code for the work
may be a
derivative work of the Library even though the source
code is not.
Whether this is true is especially significant if the work
can be
linked without the Library, or if the work is itself a
library. The
threshold for this to be true is not precisely defined
by law.
If such an object file uses only numerical
parameters, data
structure layouts and accessors, and small macros
and small inline
functions (ten lines or less in length), then the use of
the object
file is unrestricted, regardless of whether it is legally a
derivative
work. (Executables containing this object code plus
portions of the
Library will still fall under Section 6.)
Otherwise, if the work is a derivative of the Library,
you may
distribute the object code for the work under the
terms of Section 6.
Any executables containing that work also fall under
Section 6,
whether or not they are linked directly with the
Library itself.
6. As an exception to the Sections above, you may
also compile or
link a "work that uses the Library" with the Library to
produce a
work containing portions of the Library, and distribute
that work
under terms of your choice, provided that the terms
permit
modification of the work for the customer's own use
and reverse
engineering for debugging such modifications.
You must give prominent notice with each copy of
the work that the
Library is used in it and that the Library and its use are
covered by
this License. You must supply a copy of this
License. If the work
during execution displays copyright notices, you must
include the
copyright notice for the Library among them, as well
as a reference
directing the user to the copy of this License. Also,
you must do one
of these things:
a) Accompany the work with the complete
corresponding
machine-readable source code for the Library
including whatever
changes were used in the work (which must be
distributed under
Sections 1 and 2 above); and, if the work is an
executable linked
with the Library, with the complete machine-
readable "work that
uses the Library", as object code and/or source
code, so that the
user can modify the Library and then relink to
produce a modified
executable containing the modified Library. (It is
understood
that the user who changes the contents of
51
Advertisement
Table of Contents
