Hi Dean,

Optware-ng has currently both OpenJDK8, and OpenJDK7 available for uClibc-ng targets. 7 and 8 have a bit different build systems, and while I was able to cross-compile using the stock OpenJDK8 build system (with some minor icedtea fixes), I had to resort to using icedtea project build system to do this with OpenJDK7. I'm not familiar with OpenJDK9, but I suspect it should be similar to OpenJDK8, from what I read, and so you shouldn't need to bother with icedtea. Here're the patches that're needed to build OpenJDK8 against uClibc-ng:

https://github.com/Optware/Optware-ng/blob/master/sources/openjdk8/openjdk/gcc_definitions.uclibc.patch

https://github.com/Optware/Optware-ng/blob/master/sources/openjdk8/openjdk/xtoolkit.uclibc.patch

And here's the patch that fixes the “OpenJDK-8 crash when starting BubleUPnPServer” issue you've mentioned:

https://github.com/Optware/Optware-ng/blob/master/sources/openjdk8/openjdk/fix-ipv6-init.patch

The actual Optware-ng Makefile that does the building is here:

https://github.com/Optware/Optware-ng/blob/master/make/openjdk8.mk

The other patches used are mostly taken from Debian, and some of them are my own. OPENJDK8_OPENJDK_PATCHES, defined in the Makefile I mentioned, holds the list of the patches that're applied. The patches themselves are here (not all of them are used currently): https://github.com/Optware/Optware-ng/tree/master/sources/openjdk8/openjdk

Regards,

Alex

Ср, 22 черв. 2016 о 18:59 Dean Gereaux <deang@goldenbits.com> пише:

I’m starting work on porting OpenJDK 9 to a small embedded system, ideally I’d like to use uclibc-ng. Has anyone ported OpenJDK with uclibc-ng? If so: Was it successful? How long did the port take? I scanned the mailing list archives, and I noticed that back in Jan 2016 there were several postings about “OpenJDK-8 crash when starting BubleUPnPServer” between Alex and Leonid. Does anyone know if this was ever resolved?

Thanks in advance.

Dean Gereaux

Golden Bits Software

goldenbits.com

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