Hi Martin,

Martin Langsjoen wrote:

[snip]
There are some issues that remains to be sorted out. George Makrydakis
points out some interesting issues in this blog: "LGPL 2.1, Qt 4.5 and C
++ templates" -
http://lab.obsethryl.eu/content/lgpl-21-qt-45-and-c-templates

It seems like this issue is already forwarded to the license lawyers at
Nokia. The future is promising.

Wow! This is a very interesting issue.

If my reading is correct, as it stands, even with an LGPL 2.1 license, Qt can still not be used in a propriety/commercial/closed-source application. C++ template instantiation would mean violating the LGPL licenses requirement of being able to substitute the library for an alternative modified version; as the template instantiated code would be linked directly into the proprietary app and not be able to be substituted by substituting the Qt shared library.

I really do hope they amend their license with an allowance for this as I imagine it is their intention to allow commercial apps to use the open source version of Qt.

BTW - Thanks very much for your enlightened dialog.

Michael.

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