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Re: kawa lib and jdk version
- From: Damien MATTEI <Damien dot Mattei at unice dot fr>
- To: Per Bothner <per at bothner dot com>
- Cc: Kawa mailing list <kawa at sourceware dot org>
- Date: Tue, 3 May 2016 11:30:24 +0200
- Subject: Re: kawa lib and jdk version
- Authentication-results: sourceware.org; auth=none
- References: <5723663C dot 7020608 at unice dot fr> <201605021222 dot 12586 dot Damien dot Mattei at unice dot fr> <572763D6 dot 70209 at bothner dot com>
hi Per,
the sys admin has upgraded the debian server to jdk8 to match my development platform so there 's no needs to use jdk7 more
thanks for your help,
regards
Damien
Le Monday 02 May 2016 16:27:34 Per Bothner, vous avez ÃcritÂ:
>
> On 05/02/2016 03:22 AM, Damien MATTEI wrote:
>
> > i had made few attemps to work with jdk7,unfortunately it complains about a major version of 51 (my platform) instead of 52 (kawa)
> > so i will use jdk8 where all is ok ,it's just that where i work servers are under jdk7 but i hope it will be upgraded soon
>
> That is why you have to compile Kawa with '-target 7', so that javac with generated classfile version 51.
>
> I just did a test - you actually also have to specify -source 7. The following works:
>
> $ JAVAC='javac -source 7 -target 7' ./configure --with-java-source=7 ...other-options...
> $ make all
>
> Then I was able run the resulting kawa.jar on java 7.
>
> Of course this assuming you're using the JDK 1.8 to "cross-compile" Kawa so
> the result can be used on JDK 1.7.
> If you're using JDK 1.7 to build Kawa, it should just work.
--
Damien.Mattei@unice.fr, Damien.Mattei@oca.eu, UNS / OCA / CNRS