Does AIX support the Xrandr extension?

Kazunori Ogata OGATAK at jp.ibm.com
Tue Nov 20 09:46:36 UTC 2018 

I agree.


> On most AIX machines the prezl.org packages are not installed 
(especially
> not in corporate environments - and who else uses AIX anyway :)

Definitely.  And they often sit behind firewall and has no Internet 
connection...


Regards,
Ogata


Volker Simonis <volker.simonis at gmail.com> wrote on 2018/11/20 18:34:19:

> From: Volker Simonis <volker.simonis at gmail.com>
> To: Kazunori Ogata <OGATAK at jp.ibm.com>
> Cc: ppc-aix-port-dev at openjdk.java.net, ppc-aix-port-dev-
> bounces at openjdk.java.net, Ichiroh Takiguchi <takiguc at linux.vnet.ibm.com>
> Date: 2018/11/20 18:34
> Subject: Re: Does AIX support the Xrandr extension?
> 
> On Tue, Nov 20, 2018 at 9:45 AM Kazunori Ogata <OGATAK at jp.ibm.com> 
wrote:
> >
> > Hi Volker,
> >
> > I asked about existence of AIX Xrandr package to IBM internal mailing
> > list, but the answers are only the packages you pointed out.
> >
> > For the library version issue (libXrender.so.0 vs. libXrender.so.1), 
the
> > maintenance of perzl.org said he always includes both libXrender.so.0 
and
> > libXrender.so.1 in the package for compatibility.  I guess you are 
aware
> > of it, too.
> >
> > Is it because this package is not an "IBM official" that you won't use 
it
> > (as you replied to Ichiroh), even though the maintainer is IBMer?
> >
> 
> The problem is that I don't want to have a dependency on a
> non-standard package. I don't want to force everybody who uses the JDK
> to install the Xrender package and its dependencies from prezl.org. On
> most AIX machines the prezl.org packages are not installed (especially
> not in corporate environments - and who else uses AIX anyway :)
> 
> >
> > Regards,
> > Ogata
> >
> >
> > "ppc-aix-port-dev" <ppc-aix-port-dev-bounces at openjdk.java.net> wrote 
on
> > 2018/11/20 01:52:20:
> >
> > > From: Volker Simonis <volker.simonis at gmail.com>
> > > To: Ichiroh Takiguchi <takiguc at linux.vnet.ibm.com>
> > > Cc: ppc-aix-port-dev at openjdk.java.net
> > > Date: 2018/11/20 02:03
> > > Subject: Re: Does AIX support the Xrandr extension?
> > > Sent by: "ppc-aix-port-dev" 
<ppc-aix-port-dev-bounces at openjdk.java.net>
> > >
> > > Hi,
> > >
> > > I've now lost two days by trying out all the versions I could find 
at:
> > >
> > > INVALID URI REMOVED
> 
u=http-3A__www.perzl.org_aix_index.php-3Fn-3DMain.LibXrandr&d=DwIBaQ&c=jf_iaSHvJObTbx-
> siA1ZOg&r=p-
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=r1Z8TRjjv1bMOItscZaE73LrRqutKqN-
> p8G_oltL_Ok&s=jNFDi-RtMPwiK9JZ_9-ZX62Tkmg4OCEJhi5wewMlAJU&e=
> > > INVALID URI REMOVED
> 
u=http-3A__www.bullfreeware.com_affichage.php-3Fid-3D3351&d=DwIBaQ&c=jf_iaSHvJObTbx-
> siA1ZOg&r=p-
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=r1Z8TRjjv1bMOItscZaE73LrRqutKqN-
> p8G_oltL_Ok&s=edPXlM7Bjk_atnYec7Hu_Fhq9faKd3-ttYNcq6BawxQ&e=
> > > INVALID URI REMOVED
> 
u=http-3A__www.oss4aix.org_download_RPMS_libXrandr_&d=DwIBaQ&c=jf_iaSHvJObTbx-
> siA1ZOg&r=p-
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=r1Z8TRjjv1bMOItscZaE73LrRqutKqN-
> p8G_oltL_Ok&s=l23eCNtBJPUpxUjN8ozQOCh7q7Tpj9z5f1JVSnOAOa8&e=
> > >
> > > The problem with all of them is that they depend on libXrender.so.1.
> > > That version is provided by the corresponding Xrender packages from
> > > that sites BUT the default AIX version of libXrender.a only contains
> > > libXrender.so.0. OpenJDK's libawt_xawt.so is linked against the 
system
> > > libXrender.so.0 an I don't think it would be good to change that. So
> > > that means we finally can't load libXrandr at runtime anyway.
> > >
> > > Sorry to say, but AIX X11 really seems to be terribly outdated and I
> > > don't see any sense in fixing this.
> > >
> > > Moreover, all the code in
> > > java.desktop/unix/native/libawt_xawt/awt/awt_GraphicsEnv.c which 
uses
> > > "dlopen()" is broken on AIX anyway (and it always has been, even in
> > > IBM's J9) because on AIX we would have to use dlopen with a shared
> > > library name PLUS the corresponding member name PLUS the RTLD_MEMBER
> > > flag. E.g.:
> > >
> > > dlopen("libXrandr.a(libXrandr.so.2)", RTLD_MEMBER | RTLD_LAZY |
> > RTLD_LOCAL);
> > >
> > > As people don't really seem to have cared until now, I'll propose a
> > > minimal fix for "8213944: Fix AIX build after the removal of 
Xrandr.h
> > > and add a configure check for it" [1] which simply #ifdefs out all
> > > this broken functionality on AIX (see review thread at [2])
> > >
> > > With best regards,
> > > Volker
> > >
> > > [1] INVALID URI REMOVED
> 
u=https-3A__bugs.openjdk.java.net_browse_JDK-2D8213944&d=DwIBaQ&c=jf_iaSHvJObTbx-
> siA1ZOg&r=p-
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=r1Z8TRjjv1bMOItscZaE73LrRqutKqN-
> p8G_oltL_Ok&s=l2wAwK4XRdGzUjUn3kTH3kS8voIPrtFtuFsxd84dR8E&e=
> > > [2]
> > INVALID URI REMOVED
> 
u=http-3A__mail.openjdk.java.net_pipermail_2d-2Ddev_2018-2DNovember_009636.html&d=DwIBaQ&c=jf_iaSHvJObTbx-
> siA1ZOg&r=p-
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=r1Z8TRjjv1bMOItscZaE73LrRqutKqN-
> p8G_oltL_Ok&s=tiTFRBRUK-XWR0yL_NntqLPLHxa10ERvt_uFjZgk1UA&e=
> > >
> > > On Fri, Nov 16, 2018 at 7:05 PM Volker Simonis
> > <volker.simonis at gmail.com> wrote:
> > > >
> > > > Hi Ichiroh,
> > > >
> > > > thanks a lot for the pointers.
> > > >
> > > > Up to now, I tried to only depend on "official" IBM packages (i.e.
> > > > original AIX packages or packages from the "AIX Toolbox for Linux
> > > > Applications" [1]) for both, the build and at runtime. I'm not 
sure
> > > > how "reliable" the packages from perzl.org are, but in general I 
want
> > > > to avoid unverified dependencies.
> > > >
> > > > That said, I don't know Xrandr makes any sense on AIX at all. As 
far
> > > > as I can see, it hasn't worked until now anyway. Or can anyone 
report
> > > > any successful usage of Xrandr on AIX with these packages?
> > > >
> > > > Thank you and best regards,
> > > > Volker
> > > >
> > > > [1] https://www.ibm.com/it-infrastructure/power/os/aix
> > > > On Fri, Nov 16, 2018 at 1:42 PM Ichiroh Takiguchi
> > > > <takiguc at linux.vnet.ibm.com> wrote:
> > > > >
> > > > > Hello Volker.
> > > > >
> > > > > I'm not sure, you want to know following information.
> > > > >
> > > > > User can download libXrandr for AIX via Perzl.org AIX Open 
Source
> > > > > Packages site. [1][2]
> > > > >
> > > > > I have not used this library, so I don't know the detail.
> > > > >
> > > > > I checked the contents of libXrandr-devel-1.5.1-1.aix5.1.ppc.rpm 
[3]
> > > > >
> > > > > $ rpm -qpl libXrandr-devel-1.5.1-1.aix5.1.ppc.rpm
> > > > > /opt/freeware/include/X11/extensions/Xrandr.h
> > > > > /opt/freeware/lib/libXrandr.la
> > > > > /opt/freeware/lib/pkgconfig/xrandr.pc
> > > > > /opt/freeware/man/man3/XRRConfigCurrentConfiguration.3
> > > > > /opt/freeware/man/man3/XRRConfigCurrentRate.3
> > > > > /opt/freeware/man/man3/XRRConfigRates.3
> > > > > /opt/freeware/man/man3/XRRConfigRotations.3
> > > > > /opt/freeware/man/man3/XRRConfigSizes.3
> > > > > /opt/freeware/man/man3/XRRConfigTimes.3
> > > > > /opt/freeware/man/man3/XRRFreeScreenConfigInfo.3
> > > > > /opt/freeware/man/man3/XRRGetScreenInfo.3
> > > > > /opt/freeware/man/man3/XRRQueryExtension.3
> > > > > /opt/freeware/man/man3/XRRQueryVersion.3
> > > > > /opt/freeware/man/man3/XRRRootToScreen.3
> > > > > /opt/freeware/man/man3/XRRSelectInput.3
> > > > > /opt/freeware/man/man3/XRRSetScreenConfig.3
> > > > > /opt/freeware/man/man3/XRRSetScreenConfigAndRate.3
> > > > > /opt/freeware/man/man3/Xrandr.3
> > > > > /usr/lib/libXrandr.la
> > > > > $
> > > > >
> > > > > [1] INVALID URI REMOVED
> > > u=http-3A__www.perzl.org_aix_index.php&d=DwIBaQ&c=jf_iaSHvJObTbx-
> > > siA1ZOg&r=p-
> > >
> > 
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=o1pbP3NffoAgtuDUH4F16mS5ja5PH38mxVQjyJZ9JXQ&s=6kb0W7yq0gDYSBm_B3Q3iZjdo9Pf3lCGT4DC3qN-
> > > K4g&e=
> > > > > [2] INVALID URI REMOVED
> > >
> > 
> 
u=http-3A__www.perzl.org_aix_index.php-3Fn-3DMain.LibXrandr&d=DwIBaQ&c=jf_iaSHvJObTbx-
> > > siA1ZOg&r=p-
> > >
> > 
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=o1pbP3NffoAgtuDUH4F16mS5ja5PH38mxVQjyJZ9JXQ&s=LnITx2TCKu0rq3XsLvrdVB9UTLliKEV-07ZmlMIpGYs&e=
> > > > > [3]
> > > > > INVALID URI REMOVED
> > >
> > 
u=http-3A__www.oss4aix.org_download_RPMS_libXrandr_libXrandr-2Ddevel-2D1.
> > > 5.1-2D1.aix5.1.ppc.rpm&d=DwIBaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=p-
> > >
> > 
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=o1pbP3NffoAgtuDUH4F16mS5ja5PH38mxVQjyJZ9JXQ&s=xFwQLSrOvtOrQ79gUDOTS74H8yscUVWfvKclJmfY7Zk&e=
> > > > >
> > > > > Thanks,
> > > > > Ichiroh Takiguchi
> > > > > IBM Japan, Ltd.
> > > > >
> > > > >
> > > > > On 2018-11-16 18:17, Volker Simonis wrote:
> > > > > > Hi AIX experts,
> > > > > >
> > > > > > a recent change ("8210863: Remove Xrandr include files from 
JDK
> > > > > > sources" [1]) has removed the Xrander header files which were
> > > > > > previously checked in in the OpenJDK sources, from there. This
> > means
> > > > > > that the build now requires the platform version of these 
header
> > > > > > files:
> > > > > >
> > > > > > X11/extensions/Xrandr.h
> > > > > > X11/extensions/randr.h
> > > > > >
> > > > > > To the best of my knowledge, AIX does not support the Xrandr
> > extension
> > > > > > and I couldn't find the corresponding header files any where 
(even
> > not
> > > > > > in the "AIX Toolbox for Linux Applications" [2]).
> > > > > >
> > > > > > I've therefor prepared a change which fixes these issues on 
AIX
> > (see:
> > > > > > INVALID URI REMOVED
> > >
> > 
> 
u=http-3A__mail.openjdk.java.net_pipermail_2d-2Ddev_2018-2DNovember_009636.html&d=DwIBaQ&c=jf_iaSHvJObTbx-
> > > siA1ZOg&r=p-
> > >
> > 
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=o1pbP3NffoAgtuDUH4F16mS5ja5PH38mxVQjyJZ9JXQ&s=qUvLEJuxTwhOq_5lK-
> > > B2sjBExUOslxZaBHSHLIRxyaY&e=).
> > > > > >
> > > > > > However, before pushing this fix, I'd like to get a 
confirmation
> > if
> > > > > > Xrandr is indeed not supported and not available on AIX. If it 
is,
> > > > > > please point me to a place where I can get a package with the
> > > > > > corresponding header files.
> > > > > >
> > > > > > Thank you and best regards,
> > > > > > Volker
> > > > > >
> > > > > > [1] INVALID URI REMOVED
> > >
> > 
u=https-3A__bugs.openjdk.java.net_browse_JDK-2D8210863&d=DwIBaQ&c=jf_iaSHvJObTbx-
> > > siA1ZOg&r=p-
> > >
> > 
> 
FJcrbNvnCOLkbIdmQ2tigCrcpdU77tlI2EIdaEcJw&m=o1pbP3NffoAgtuDUH4F16mS5ja5PH38mxVQjyJZ9JXQ&s=t75o8gztGCdG4Foc9Zap1ZKxCQBSKF8M62GA_gXGzaw&e=
> > > > > > [2]
> > > > > >
> > https://www.ibm.com/developerworks/aix/library/aix-toolbox/alpha.html
> > > > >
> > >
> >
> >
>

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