RFR: Add musl information to bundle names and -Xinternalversion

[Mikael Vidstedt]

I linked to the wrong webrevs, sorry about that. Please have a look at these ones instead (which reflect the changes I actually pushed):

top: http://cr.openjdk.java.net/~mikael/webrevs/portola/version/webrev.02/webrev/ <http://cr.openjdk.java.net/~mikael/webrevs/portola/version/webrev.02/webrev/>
hotspot: http://cr.openjdk.java.net/~mikael/webrevs/portola/version/webrev.02/hotspot/webrev/ <http://cr.openjdk.java.net/~mikael/webrevs/portola/version/webrev.02/hotspot/webrev/>

Cheers,
Mikael

> On Apr 18, 2017, at 3:18 AM, Erik Joelsson <erik.joelsson at oracle.com> wrote:
> 
> It looks to me like your code in platform.m4 will indeed change the platform name on gnu linux (and all other platforms) to add a trailing dash '-' for the bundle platform.
> 
> I also fail to see where the dash before musl is added in the version string?
> 
> /Erik
> 
> On 2017-04-13 18:02, Mikael Vidstedt wrote:
>> With the introduction of musl <os>-<arch> (and specifically linux-amd64) is no longer uniquely identifying the JDK platform and binaries.
>> 
>> This change adds “musl” in a couple of places:
>> 
>> top: http://cr.openjdk.java.net/~mikael/webrevs/portola/version/webrev.01/webrev/
>> hotspot: http://cr.openjdk.java.net/~mikael/webrevs/portola/version/webrev.01/hotspot/webrev/
>> 
>> 
>> The two places are:
>> 
>> 1. The bundle file names
>> 
>> A typical linux-amd64 bundle today looks something like this:
>> 
>> jdk-10-internal+0_linux-x64_bin.tar.gz
>> 
>> At least for now, the “normal”/gnu bundle file names will *not* be changed - only the new “musl” ones will get the additional “-musl” component:
>> 
>> jdk-10-internal+0_linux-x64-musl_bin.tar.gz
>> 
>> 
>> 2. The -Xinternalversion version string
>> 
>> Much like with the bundle names, the current string looks something like:
>> 
>> Java HotSpot(TM) 64-Bit Server VM (10-internal+0-2017-04-10-172118.mikael.portola) for linux-amd64 JRE (10-internal+0-2017-04-10-172118.mikael.portola), built on Apr 13 2017 08:48:18 by "mikael" with gcc 4.9.2
>> 
>> This patch (only) adds “-musl” for the musl version of the JVM, and leaves non-musl platforms unchanged. With musl the -Xinternalversion version string looks something like:
>> 
>> Java HotSpot(TM) 64-Bit Server VM (10-internal+0-2017-04-10-172118.mikael.portola) for linux-amd64-musl JRE (10-internal+0-2017-04-10-172118.mikael.portola), built on Apr 13 2017 08:34:03 by "mikael" with gcc 4.9.2
>> 
>> but without the bold highlighting ;)
>> 
>> 
>> As I mentioned in the thread [1] for the confstr/libc/libpthread patch I will take another round through the code after I have this in place and make sure everything is handled in a consistent manner.
>> 
>> Cheers,
>> Mikael
>> 
>> [1] http://mail.openjdk.java.net/pipermail/portola-dev/2017-April/000021.html
>> 
>