Qwt is a library of Qt widgets, packaged in Fedora. The website is:
The license of that library is the "Qwt license, version 1.0". You can find
its text here:
That license is mostly "LGPLv2 with exception". However, there is an
additional paragraph that in my opinion is an advertising clause:
"However, programs must still identify their use of Qwt.
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 Qwt project (http://qwt.sf.net)."
I seems to be incompatible with GPL. See the FSF FAQ about the original BSD:
Is my understanding correct? If so, how can we deal with that?