Re: [R-pkg-devel] Extending MIT software

2015-05-29 Thread Charles Determan
Thank you Thomas, I guess there is nothing, that I am aware of, that prevents me from releasing with GPL >= 2 but I wanted to get some insights as to what would be a best practice. I prefer to give as much credit as possible where it is do. On Thu, May 28, 2015 at 10:59 AM, Thomas Petzoldt < thom

Re: [R-pkg-devel] Extending MIT software

2015-05-29 Thread Thomas Petzoldt
Hi, I am not a lawyer, but as far as I know, the MIT license allows re-licensing of derived work under the GPL. See: http://en.wikipedia.org/wiki/License_compatibility http://en.wikipedia.org/wiki/MIT_License So what speaks against releasing your derived work under the GPL >= 2? Thomas On

Re: [R-pkg-devel] Extending MIT software

2015-05-28 Thread Gábor Csárdi
IANAL, too, but if you are indeed extending (i.e. embedding or copying) another package, then you need to put all copyright holders into the LICENSE file. In the individual files, you can explain who has the copyright for what. If you don't change the copied files at all, that is simple, just add

Re: [R-pkg-devel] Extending MIT software

2015-05-28 Thread Neal Fultz
IANAL, but if you are just importing or depending on another package, you shouldn't need to worry about this. If you copied their code into your own package, you should probably rethink your approach. At my job, several of my coworkers had copy/pasted code from stack overflow, which carries a CC l

[R-pkg-devel] Extending MIT software

2015-05-28 Thread Charles Determan
When developing a new package we want to have a license attributed to that package. That said, I am a little confused how one would approach the MIT license. I am working on a package that extends upon another library that has the MIT license. I know that I need to create a LICENSE file with YEA