<AWT Dev> RFR(XS): 8201524: [AIX] Don't link libfontmanager against libawt_headless
erik.joelsson at oracle.com
Fri Apr 13 19:53:59 UTC 2018
On 2018-04-13 12:44, Volker Simonis wrote:
> Phil Race <philip.race at oracle.com <mailto:philip.race at oracle.com>>
> schrieb am Fr. 13. Apr. 2018 um 19:21:
> I suppose this potentially helps the concurrency of the build ?
> I can't think of why this would be a problem now there is no
> compile-time linking
> involved and it seems Linux was already fine without this,
> but a jdk-submit would be prudent ..
> I did start Solaris and AIX builds before I left the office. I can
> certainly also submit a job to JDK-submit, but at least hs-submit
> wasn’t working at all (i.e. didn’t return any results).
hs-submit is disabled since the merge of jdk/hs to jdk/jdk.
> On 04/13/2018 09:22 AM, Volker Simonis wrote:
> > Hi Erik,
> > thanks for looking at the patch and good catch! You're right
> that the
> > dependency can now be removed. Here's the new webrev:
> > http://cr.openjdk.java.net/~simonis/webrevs/2018/8201524.v1
> > Regards,
> > Volker
> > On Fri, Apr 13, 2018 at 6:00 PM, Erik Joelsson
> <erik.joelsson at oracle.com <mailto:erik.joelsson at oracle.com>> wrote:
> >> Hello Volker,
> >> The change looks good, but now that we no longer link against
> >> libawt_headless, we should also remove the make dependency a
> few lines down.
> >> (Should have been done already for Solaris.)
> >> /Erik
> >> On 2018-04-13 06:28, Volker Simonis wrote:
> >>> Hi,
> >>> can I please have a review for this tiny AIX cleanup:
> >>> http://cr.openjdk.java.net/~simonis/webrevs/2018/8201524/
> >>> https://bugs.openjdk.java.net/browse/JDK-8201524
> >>> This is a follow up change of JDK-8196516 which discovered
> that on AIX
> >>> libfontmanager is always linked against libawt_headless at
> build time.
> >>> If we are running in a headfull environment, libfontmanager will
> >>> dynamically load libawt_xawt which is not good because
> >>> and libawt_xawt define some common symbols. If we're running in a
> >>> headless environment, libawt_headless may be loaded a second
> time (at
> >>> least on Linux/Solaris) which isn't good either.
> >>> Both of these scenarios haven't caused any problems on AIX
> yet, but I
> >>> think it's good to cleanup the AIX implementation as well and
> >>> link libfontmanager against libawt_headless anymore. In order to
> >>> achieve this, we have to allow unresolved symbols during the
> >>> of libfontmanager. This can be easily achieved by adding the
> >>> linker flag "-Wl$(COMMA)-berok" through LDFLAGS_aix. This
> works fine
> >>> for AIX because options which come later on the command line take
> >>> precedence
> >>> over earlier ones.
> >>> Thank you and best regards,
> >>> Volker
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