In addition, mere aggregation of another work not based on the Library with the Library (or
with a work based on the Library) on a volume of a storage or distribution medium does not
bring the other work under the scope of this License.
3. You may opt to apply the terms of the ordinary GNU General Public License instead of this
License to a given copy of the Library. To do this, you must alter all the notices that refer to
this License, so that they refer to the ordinary GNU General Public License, version 2, instead
of to this License. (If a newer version than version 2 of the ordinary GNU General Public
License has appeared, then you can specify that version instead if you wish.) Do not make any
other change in these notices.
Once this change is made in a given copy, it is irreversible for that copy, so the ordinary GNU
General Public License applies to all subsequent copies and derivative works made from that
copy.
This option is useful when you wish to copy part of the code of the Library into a program that
is not a library.
4. You may copy and distribute the Library (or a 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
objectfile 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.
72