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FLTK License
- Ammended May 4, 2001
+ December 11, 2001
-The following ammendments to the GNU Library General Public
-License apply for the FLTK library:
+The FLTK library and included programs are provided under the terms
+of the GNU Library General Public License (LGPL) with the following
+exceptions:
1. Modifications to the FLTK configure script, config
header file, and makefiles by themselves to support
a specific platform do not constitute a modified or
- derived work.
+ derivative work.
The authors do request that such modifications be
contributed to the FLTK project - send all
contributions to "fltk-bugs@fltk.org".
2. Widgets that are subclassed from FLTK widgets do not
- constitute a derived work.
+ constitute a derivative work.
3. Static linking of applications and widgets to the
- FLTK library does not constitute a derived work
+ FLTK library does not constitute a derivative work
and does not require the author to provide source
code for the application or widget, use the shared
FLTK libraries, or link their applications or
- widgets against a user version of FLTK.
-
- If the author links the application or widget to a
- modified version of FLTK, then the changes to FLTK
- must be provided under the terms in sections 1, 2,
- and 4.
-
- 4. Authors that develop applications and widgets that
- use FLTK must include the following statement in
- their user documentation:
+ widgets against a user-supplied version of FLTK.
+
+ If you link the application or widget to a modified
+ version of FLTK, then the changes to FLTK must be
+ provided under the terms of the LGPL in sections
+ 1, 2, and 4.
+
+ 4. You do not have to provide a copy of the FLTK license
+ with programs that are linked to the FLTK library, nor
+ do you have to identify the FLTK license in your
+ program or documentation as required by section 6
+ of the LGPL.
+
+ However, programs must still identify their use of FLTK.
+ The following example statement can be included in user
+ documentation to satisfy this requirement:
[program/widget] is based in part on the work of
the FLTK project (http://www.fltk.org).