[legal] Compatibility of GPL with Apache

[Karthik Venkateswaran]

Hi all,
I have a question with regards to compatibility of Apache license with 
GPLv2.

Just for a background this question is for integrating two packages LUCI 
(Based on Apache license) and Openwrt (Based on GPLv2). 

Would like to know the following:

1. LUCI is already ported as a package on Openwrt, will it automatically 
be part of GPLv2. Considering that the package is built separately 
independent of Openwrt.
2. Might be wrong to ask this in GPL forum, nevertheless if LUCI (which is 
under a permissive license) is modified. Then ported on a proprietary 
framework including an attribution to Apache license. Is this ok?
3. Finally, if I modify the Apache licensed LUCI and port it on GPLv2 
framework. Would the proprietary code be entitled under GPLv2?

Please excuse my open ended questions as I am a newbie and am no Legal 
expert.

Regards,
Karthik Venkateswaran
Project Leader
Larsen & Toubro Infotech Ltd.
Cell: +91 9886676402
E Mail id: karthik.venkateswaran at lntinfotech.com

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