JDK 17: First Release Candidate

[David Holmes]

Hi Matthias,

On 14/08/2021 2:00 am, Matthias Klose wrote:
> On 8/6/21 7:09 PM, mark.reinhold at oracle.com wrote:
>> There are no unresolved P1 bugs in build 35, so that is our
>> first JDK 17 Release Candidate.
>>
>> Binaries available here, as usual: https://jdk.java.net/17
> 
> this fails to build with glibc 2.34, i.e. on recent Fedora and Ubuntu
> development versions:
> 
> /<<PKGBUILDDIR>>/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c: In
> function 'set_signal_handler':
> /<<PKGBUILDDIR>>/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c:72:15:
> error: storage size of 'altstack' isn't constant
>     72 |   static char altstack[SIGSTKSZ];
>        |               ^~~~~~~~
> gmake[4]: *** [test/JtregNativeHotspot.gmk:1525:
> /<<PKGBUILDDIR>>/build/support/test/hotspot/jtreg/native/support/exeinvoke/exeinvoke.o]
> Error 1

That seems like a glibc bug to me as SIGSTKSZ is supposed to be a constant.

David