>>>>> Bernd Blaauw <bbla...@home.nl> writes:
>>>>> Op 23-8-2012 19:13, Ivan Shmakov schreef:
>> even try Bloček myself, as it requires me to use some proprietary
>> software first!
> There are people who refuse to use FreeDOS (kernel), which is
> licensed as open source under the GNU GPL, as they only want to use
> "free software" as defined by GNU.
If you mean “free software as defined by FSF” (and their
software licenses list [1]), then GNU GPL is /both/ a free
software and open source license.
[1] http://gnu.org/licenses/license-list.html#SoftwareLicenses
> There's no compatible compiler that's either GPL or free software.
> OpenWatcom comes closest.
It's quite unusual for an open source license /not/ to qualify
as a free software one (or vice versa) at the same time.
Surprisingly, OpenWatcom's is such an unusual one [1, 2]:
--cut: http://gnu.org/licenses/license-list.html#Watcom --
This is not a free software license. It requires you to publish the
source code publicly whenever you “Deploy” the covered software, and
“Deploy” is defined to include many kinds of private use.
--cut: http://gnu.org/licenses/license-list.html#Watcom --
That being said, having to use non-free software (but still free
of charge and with sources available) while developing one's own
free one is a nuisance. Still, until Linux appeared, the GNU
project used non-free kernels (and systems) themselves…
[2] http://opensource.org/licenses/Watcom-1.0
> No idea what the requirements for creating/modifying Blocek are.
> Anyway, let's not turn this into a long license discussion. Despite
> people having the opinion that the FreeDOS kernel isn't free
> software, it's still opensource.
Unless OpenWatcom's own restrictions somehow affect the
resulting binaries, the FreeDOS kernel is /both/ free and open
source software under GNU GPL.
[…]
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