On Mon, Jun 30, 2025 at 06:58:07PM +0200, Theo Buehler wrote:
> On Mon, Jun 30, 2025 at 05:10:55PM +0100, Stuart Henderson wrote:
> > On 2025/06/29 16:20, Kurt Mosiejczuk wrote:
> > > So at some point texmf has managed to sprout a roundabout dependency on
> > > qt5 via the following chains originating with print/psutils
> > > 
> > > print/texlive/base not installable print/psutils -> graphics/py-wand -> 
> > > graphics/ImageMagick -> multimedia/libheif -> multimedia/libde265 -> 
> > > x11/qt5/qtbase
> > 
> > That isn't a circular dep, it's a build (packaging) failure in qtbase.
> > 
> > checksumming|**********************************************               | 
> > 75%
> > Error: 
> > /usr/obj/ports/qtbase-5.15.16pl130/fake-sparc64/usr/local/lib/qt5/cmake/Qt5Gui/Qt5Gui_QEglFSKmsGbmIntegrationPlugin.cmake
> >  does not exist
> > Error: 
> > /usr/obj/ports/qtbase-5.15.16pl130/fake-sparc64/usr/local/lib/qt5/plugins/egldeviceintegrations/libqeglfs-kms-integration.so
> >  does not exist
> > pkg_create: can't continue
> > 
> 
> This is missing because GBM isn't detected. Without looking very closely
> this seems another pthread-related issue in the mesa update:
> 
> > g++ -Wl,-O1 -Wl,-rpath,/usr/X11R6/lib -o gbm main.o   -L/usr/X11R6/lib 
> > -lgbm -L/usr/local/lib  
> > -L/usr/obj/ports/qtbase-5.15.16pl130/qtbase-2529f7f0c2333d437089c775c9c30f624d1fd5bc/build-sparc64/config.tests/gbm
> >  
> > /usr/X11R6/lib/libgbm.so.0.6: warning: rand() may return deterministic 
> > values, is that what you want?
> > /usr/X11R6/lib/libdrm.so.7.13: warning: sprintf() is often misused, please 
> > use snprintf()
> > /usr/X11R6/lib/libgbm.so.0.6: undefined reference to `pthread_create'
> > /usr/X11R6/lib/libgbm.so.0.6: undefined reference to `pthread_detach'
> > /usr/X11R6/lib/libgbm.so.0.6: undefined reference to `pthread_join'
> > collect2: error: ld returned 1 exit status
> > gmake: *** [Makefile:71: gbm] Error 1
>  => source failed verification.
> test config.qtbase_gui.libraries.gbm FAILED
> 

So the real problem is that on amd64, libgbm has these:

Dynamic Section:
  NEEDED      libm.so.10.1
  NEEDED      libpthread.so.27.1
  NEEDED      libdrm.so.7.13
  SONAME      libgbm.so.0.6

whereas on sparc64 libpthread is missing:

Dynamic Section:
  NEEDED      libm.so.10.1
  NEEDED      libdrm.so.7.13
  SONAME      libgbm.so.0.6

I suspect this is due to a difference in behavior between ld.bfd and
ld.lld, but I currently don't know how to fix it.

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