[patch] add zero support for x86_64-linux-gnux32 target
erik.joelsson at oracle.com
Mon Sep 5 12:11:45 UTC 2016
Build changes look ok.
On 2016-09-05 14:03, Matthias Klose wrote:
> The attached patch adds support for building zero for the x86_64-linux-gnux32
> target, having changes in the build system, hotspot and jdk.
> - the build system currently only derives the target from
> the cpu in PLATFORM_EXTRACT_VARS_FROM_CPU; that is not enough
> for the new target, which only differs by the ending of the
> triplet. However the $host macro should be available anywhere.
> - the hotspot part just handles the new "cpu"
> - GensrcX11Wrappers.gmk assumes that there is a black/white
> decision about -m32/-m64. The patch works around it. However
> the real patch should be to get these flags from the build
> system, and not hardcode itself.
> - the sysctl system call is unsupported in the x32 kernel, and
> just the include leads to a build error. From my point of view
> the header is not needed. I had successful builds on all other
> targets without including it. If you want to keep the include,
> then it should be guarded with
> #if !(defined(_ILP32) && defined(__x86_64__))
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