jason at lunkwill.org
Wed Nov 8 11:50:50 MST 2006
On Tue, 7 Nov 2006, Michael Torrie wrote:
> On Tue, 2006-11-07 at 23:48 -0700, Michael Torrie wrote:
>> On Wed, 2006-11-08 at 06:14 +0000, Jason Holt wrote:
>>> On Tue, 7 Nov 2006, Michael Torrie wrote:
>>>> Of course the Java class libraries are of necessity not under the GPL.
>>>> (Neither are the GNU Class Libraries). So it will remain to be seen
>>> Why is that?
>> Because if the class libraries were GPL then you could only produce GPL
>> programs in Java, as all Java programs have to link against the class
>> libraries at runtime. The GNU Classpath libraries are produced under
>> the GPL with a special exception to allow linking your external
>> programs against these libraries. This is really an extension of the
>> built-in GPL exception clause that says a GPL'd app can link against
>> non-GPL'd system-shipped runtime libraries and vice versa.
That makes sense. Weren't class libraries the hard part in trying to build a
Free Java system? How does Sun license theirs? Is it non-viral for programs
that link in, but non-Free for people to download? Is that we've always had
to download the jre from sun (or pick up jikes from ibm)?
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