[oe] [meta-java] gcc6 support breaks build for gcc < 6

[Otavio Salvador]

Hello Dobbe,

(Added Khem and Fabio on Cc)

On Mon, Jul 11, 2016 at 8:37 AM, Winfried <winfried_mb2 at xmsnet.nl> wrote:
> Commit  33ddb28a6428b02ddcc82d1954ecf27cd426fbb5 (openjdk-8: make GCC6
> happy) adds gcc option -fno-lifetime-dse, which was added in gcc6. This
> breaks the compilation of openjdk-native on hosts where gcc4 or gcc5 is the
> default compiler.
>
> If this is intentional, I think the README file should mention that
> meta-java requires gcc6. Better would be to add the '-fno-lifetime-dse'
> option only if gcc >= 6 is used for native compilation (if that is
> possible).

This is a non-desired side effect of the patch. Daniel, could you take
a look on this?

-- 
Otavio Salvador                             O.S. Systems
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