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a "work that uses the Library" uses material from a header le 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 signicant 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
dened by law. If such an object le 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 le 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 combine 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
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Library is used in it and that the Library and its use are covered by this License. You must
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Accompany the work with the complete corresponding machine-readable source code for
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with the complete machine-readable "work that uses the Library", as object code and/or
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the required form of the "work that uses the Library" must include any data and utility
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the materials to be distributed need not include anything that is normally distributed (in