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conda-forge / qt-main-feedstock

A conda-smithy repository for qt-main.
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Linux Qt missing Wayland QPA plugin #116

Closed hermidalc closed 1 year ago

hermidalc commented 5 years ago

The conda-forge Linux Qt package is missing the Wayland QPA plugin, i.e. not bundling libQt5WaylandClient.so.5 and and libQt5WaylandCompositor.so.5. Therefore on Linux systems which run Wayland I get constant warnings when using conda packages that use Qt:

Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.

and if I try to set QT_QPA_PLATFORM=wayland you get a core dump:

qt.qpa.plugin: Could not find the Qt platform plugin "wayland" in ""
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: eglfs, minimal, minimalegl, offscreen, vnc, webgl, xcb.

Aborted (core dumped)

Even if I set the env var to use xcb (XWayland) I still get the warning. My Fedora system Qt of the same version 5.12.5 bundles the Wayland QPA plugin:

$ sudo find /usr -iname "*qt5wayland*"
/usr/lib64/libQt5WaylandClient.so.5
/usr/lib64/libQt5WaylandCompositor.so.5
/usr/lib64/libQt5WaylandClient.so.5.12
/usr/lib64/libQt5WaylandClient.so.5.12.5
/usr/lib64/libQt5WaylandCompositor.so.5.12.5
/usr/lib64/libQt5WaylandCompositor.so.5.12

But these are missing from the conda-forge package. Could you bundle it?


Environment (conda list):

``` $ conda list # packages in environment at /home/hermidalc/soft/miniconda3/envs/ml-omics-sklearn: # # Name Version Build Channel _libgcc_mutex 0.1 main _r-mutex 1.0.1 anacondar_1 conda-forge astroid 2.3.1 py37_0 conda-forge attrs 19.3.0 py_0 conda-forge autopep8 1.4.4 py_0 conda-forge backcall 0.1.0 py_0 conda-forge binutils_impl_linux-64 2.31.1 h7fc9f1b_2 conda-forge binutils_linux-64 2.31.1 h6176602_12 conda-forge bioconductor-affy 1.62.0 r36h516909a_1 bioconda bioconductor-affyio 1.54.0 r36h516909a_1 bioconda bioconductor-affyplm 1.60.0 r36h516909a_1 bioconda bioconductor-aldex2 1.16.0 r36_1 bioconda bioconductor-annotate 1.62.0 r36_1 bioconda bioconductor-annotationdbi 1.46.0 r36_1 bioconda bioconductor-apeglm 1.6.0 r36he1b5a44_1 bioconda bioconductor-biobase 2.44.0 r36h516909a_1 bioconda bioconductor-biocgenerics 0.30.0 r36_1 bioconda bioconductor-biocparallel 1.18.0 r36he1b5a44_1 bioconda bioconductor-biocversion 3.9.0 r36_1 bioconda bioconductor-biostrings 2.52.0 r36h516909a_1 bioconda bioconductor-delayedarray 0.10.0 r36h516909a_1 bioconda bioconductor-deseq2 1.24.0 r36he1b5a44_1 bioconda bioconductor-edger 3.26.5 r36he1b5a44_0 bioconda bioconductor-gcrma 2.56.0 r36h516909a_1 bioconda bioconductor-genefilter 1.66.0 r36hc99cbb1_1 bioconda bioconductor-geneplotter 1.62.0 r36_1 bioconda bioconductor-genomeinfodb 1.20.0 r36_1 bioconda bioconductor-genomeinfodbdata 1.2.1 r36_1 bioconda bioconductor-genomicranges 1.36.0 r36h516909a_1 bioconda bioconductor-geoquery 2.52.0 r36_1 bioconda bioconductor-go.db 3.8.2 r36_1 bioconda bioconductor-graph 1.62.0 r36h516909a_1 bioconda bioconductor-gseabase 1.46.0 r36_1 bioconda bioconductor-gsva 1.32.0 r36h516909a_1 bioconda bioconductor-ihw 1.12.0 r36_1 bioconda bioconductor-impute 1.58.0 r36h6e990d7_1 bioconda bioconductor-iranges 2.18.2 r36h516909a_0 bioconda bioconductor-limma 3.40.2 r36h516909a_0 bioconda bioconductor-lpsymphony 1.12.0 r36he1b5a44_1 bioconda bioconductor-metagenomeseq 1.26.2 r36_0 bioconda bioconductor-multtest 2.40.0 r36h516909a_1 bioconda bioconductor-preprocesscore 1.46.0 r36h516909a_1 bioconda bioconductor-pvca 1.24.0 r36_1 bioconda bioconductor-s4vectors 0.22.0 r36h516909a_1 bioconda bioconductor-singscore 1.4.0 r36_1 bioconda bioconductor-summarizedexperiment 1.14.0 r36_1 bioconda bioconductor-sva 3.32.1 r36h516909a_0 bioconda bioconductor-variancepartition 1.14.0 r36_1 bioconda bioconductor-vsn 3.52.0 r36h516909a_1 bioconda bioconductor-wrench 1.2.0 r36_1 bioconda bioconductor-xvector 0.24.0 r36h516909a_1 bioconda bioconductor-zlibbioc 1.30.0 r36h516909a_1 bioconda bleach 3.1.0 py_0 conda-forge bwidget 1.9.13 0 conda-forge bzip2 1.0.8 h516909a_1 conda-forge ca-certificates 2019.9.11 hecc5488_0 conda-forge cairo 1.16.0 hfb77d84_1002 conda-forge certifi 2019.9.11 py37_0 conda-forge cffi 1.12.3 py37h8022711_0 conda-forge curl 7.65.3 hf8cf82a_0 conda-forge cycler 0.10.0 py_1 conda-forge cython 0.29.13 py37he1b5a44_0 conda-forge dbus 1.13.6 he372182_0 conda-forge decorator 4.4.0 py_0 conda-forge defusedxml 0.6.0 py_0 conda-forge entrypoints 0.3 py37_1000 conda-forge expat 2.2.5 he1b5a44_1003 conda-forge flake8 3.7.8 py37_1 conda-forge fontconfig 2.13.1 h86ecdb6_1001 conda-forge freetype 2.10.0 he983fc9_1 conda-forge fribidi 1.0.5 h516909a_1002 conda-forge future 0.18.0 py37_0 conda-forge gcc_impl_linux-64 7.3.0 habb00fd_2 conda-forge gcc_linux-64 7.3.0 h553295d_12 conda-forge gettext 0.19.8.1 hc5be6a0_1002 conda-forge gfortran_impl_linux-64 7.3.0 hdf63c60_2 conda-forge gfortran_linux-64 7.3.0 h553295d_12 conda-forge glib 2.58.3 h6f030ca_1002 conda-forge graphite2 1.3.13 hf484d3e_1000 conda-forge gsl 2.5 h294904e_1 conda-forge gst-plugins-base 1.14.5 h0935bb2_0 conda-forge gstreamer 1.14.5 h36ae1b5_0 conda-forge gxx_impl_linux-64 7.3.0 hdf63c60_2 conda-forge gxx_linux-64 7.3.0 h553295d_12 conda-forge harfbuzz 2.4.0 h9f30f68_3 conda-forge icu 64.2 he1b5a44_1 conda-forge importlib_metadata 0.23 py37_0 conda-forge intel-openmp 2019.4 243 ipykernel 5.1.2 py37h5ca1d4c_0 conda-forge ipython 7.8.0 py37h5ca1d4c_0 conda-forge ipython_genutils 0.2.0 py_1 conda-forge isort 4.3.21 py37_0 conda-forge jedi 0.15.1 py37_0 conda-forge jinja2 2.10.3 py_0 conda-forge joblib 0.14.0 py_0 conda-forge jpeg 9c h14c3975_1001 conda-forge jsonschema 3.1.1 py37_0 conda-forge jupyter_client 5.3.3 py37_1 conda-forge jupyter_core 4.5.0 py_0 conda-forge kiwisolver 1.1.0 py37hc9558a2_0 conda-forge krb5 1.16.3 h05b26f9_1001 conda-forge lazy-object-proxy 1.4.2 py37h516909a_0 conda-forge libblas 3.8.0 14_mkl conda-forge libcblas 3.8.0 14_mkl conda-forge libclang 9.0.0 hc9558a2_1 conda-forge libcurl 7.65.3 hda55be3_0 conda-forge libedit 3.1.20170329 hf8c457e_1001 conda-forge libffi 3.2.1 he1b5a44_1006 conda-forge libgcc-ng 9.1.0 hdf63c60_0 libgfortran 3.0.0 1 conda-forge libgfortran-ng 7.3.0 hdf63c60_2 conda-forge libglu 9.0.0 hf484d3e_1000 conda-forge libiconv 1.15 h516909a_1005 conda-forge liblapack 3.8.0 14_mkl conda-forge libllvm9 9.0.0 hc9558a2_2 conda-forge libpng 1.6.37 hed695b0_0 conda-forge libsodium 1.0.17 h516909a_0 conda-forge libssh2 1.8.2 h22169c7_2 conda-forge libstdcxx-ng 9.1.0 hdf63c60_0 libtiff 4.0.10 h57b8799_1003 conda-forge libuuid 2.32.1 h14c3975_1000 conda-forge libxcb 1.13 h14c3975_1002 conda-forge libxkbcommon 0.8.4 h516909a_0 conda-forge libxml2 2.9.9 hee79883_5 conda-forge libxslt 1.1.33 h31b3aaa_0 conda-forge lxml 4.4.1 py37h7ec2d77_0 conda-forge lz4-c 1.8.3 he1b5a44_1001 conda-forge make 4.2.1 h14c3975_2004 conda-forge markupsafe 1.1.1 py37h14c3975_0 conda-forge matplotlib 3.1.1 py37_1 conda-forge matplotlib-base 3.1.1 py37he7580a8_1 conda-forge mccabe 0.6.1 py_1 conda-forge mistune 0.8.4 py37h14c3975_1000 conda-forge mkl 2019.4 243 mlxtend 0.17.0 py_0 conda-forge more-itertools 7.2.0 py_0 conda-forge natsort 6.0.0 py_0 conda-forge nbconvert 5.6.0 py37_1 conda-forge nbformat 4.4.0 py_1 conda-forge ncurses 6.1 hf484d3e_1002 conda-forge notebook 6.0.1 py37_0 conda-forge nspr 4.20 hf484d3e_1000 conda-forge nss 3.46 he751ad9_0 conda-forge numpy 1.17.2 py37h95a1406_0 conda-forge olefile 0.46 py_0 conda-forge openjdk 8.0.192 h14c3975_1003 conda-forge openssl 1.1.1c h516909a_0 conda-forge pandas 0.25.1 py37hb3f55d8_0 conda-forge pandoc 2.7.3 0 conda-forge pandocfilters 1.4.2 py_1 conda-forge pango 1.42.4 ha030887_1 conda-forge parso 0.5.1 py_0 conda-forge patsy 0.5.1 py_0 conda-forge pcre 8.41 he1b5a44_1004 conda-forge pexpect 4.7.0 py37_0 conda-forge pickleshare 0.7.5 py37_1000 conda-forge pillow 6.2.0 py37h6b7be26_0 conda-forge pip 19.2.3 py37_0 conda-forge pixman 0.38.0 h516909a_1003 conda-forge pluggy 0.13.0 py37_0 conda-forge prometheus_client 0.7.1 py_0 conda-forge prompt_toolkit 2.0.10 py_0 conda-forge pthread-stubs 0.4 h14c3975_1001 conda-forge ptyprocess 0.6.0 py_1001 conda-forge pycodestyle 2.5.0 py_0 conda-forge pycparser 2.19 py37_1 conda-forge pydocstyle 4.0.1 py_0 conda-forge pyflakes 2.1.1 py_0 conda-forge pygments 2.4.2 py_0 conda-forge pylint 2.4.2 py37_0 conda-forge pyparsing 2.4.2 py_0 conda-forge pyqt 5.12.3 py37hcca6a23_0 conda-forge pyqt5-sip 4.19.18 pypi_0 pypi pyqtwebengine 5.12.1 pypi_0 pypi pyrsistent 0.15.4 py37h516909a_0 conda-forge python 3.7.3 h33d41f4_1 conda-forge python-dateutil 2.8.0 py_0 conda-forge python-jsonrpc-server 0.2.0 py_0 conda-forge python-language-server 0.29.1 py37_0 conda-forge pytz 2019.3 py_0 conda-forge pyzmq 18.1.0 py37h1768529_0 conda-forge qt 5.12.5 h0c104cb_0 conda-forge r-acepack 1.4.1 r36h9bbef5b_1004 conda-forge r-argparse 2.0.1 r36h6115d3f_1 conda-forge r-arules 1.6_4 r36hcdcec82_0 conda-forge r-askpass 1.1 r36hcdcec82_1 conda-forge r-assertthat 0.2.1 r36h6115d3f_1 conda-forge r-backports 1.1.5 r36hcdcec82_0 conda-forge r-base 3.6.1 hba50c9b_4 conda-forge r-base64enc 0.1_3 r36hcdcec82_1003 conda-forge r-bbmle 1.0.20 r36h6115d3f_1 conda-forge r-bh 1.69.0_1 r36h6115d3f_1 conda-forge r-biocmanager 1.30.7 r36h6115d3f_0 conda-forge r-bit 1.1_14 r36hcdcec82_1 conda-forge r-bit64 0.9_7 r36hcdcec82_1001 conda-forge r-bitops 1.0_6 r36hcdcec82_1003 conda-forge r-blob 1.2.0 r36_1 conda-forge r-boot 1.3_23 r36h6115d3f_2 conda-forge r-brew 1.0_6 r36h6115d3f_1002 conda-forge r-broom 0.5.2 r36h6115d3f_1 conda-forge r-callr 3.3.2 r36h6115d3f_0 conda-forge r-caret 6.0_84 r36hcdcec82_1 conda-forge r-catools 1.17.1.2 r36h0357c0b_1 conda-forge r-cellranger 1.1.0 r36h6115d3f_1002 conda-forge r-checkmate 1.9.4 r36hcdcec82_1 conda-forge r-class 7.3_15 r36hcdcec82_1001 conda-forge r-cli 1.1.0 r36h6115d3f_2 conda-forge r-clipr 0.7.0 r36h6115d3f_0 conda-forge r-clisymbols 1.2.0 r36h6115d3f_1002 conda-forge r-clue 0.3_57 r36h516909a_1 conda-forge r-cluster 2.1.0 r36h9bbef5b_2 conda-forge r-coda 0.19_3 r36h6115d3f_1 conda-forge r-codetools 0.2_16 r36h6115d3f_1001 conda-forge r-collections 0.2.1 r36hcdcec82_0 conda-forge r-colorramps 2.3 r36_1002 conda-forge r-colorspace 1.4_1 r36hcdcec82_1 conda-forge r-commonmark 1.7 r36hcdcec82_1001 conda-forge r-corpcor 1.6.9 r36h6115d3f_1002 conda-forge r-covr 3.3.1 r36h0357c0b_0 conda-forge r-crayon 1.3.4 r36h6115d3f_1002 conda-forge r-crosstalk 1.0.0 r36h6115d3f_1002 conda-forge r-curl 4.2 r36hcdcec82_0 conda-forge r-cyclocomp 1.1.0 r36h6115d3f_1003 conda-forge r-data.table 1.12.4 r36hcdcec82_0 conda-forge r-dbi 1.0.0 r36h6115d3f_1002 conda-forge r-dbplyr 1.4.2 r36h6115d3f_1 conda-forge r-deoptimr 1.0_8 r36h6115d3f_1002 conda-forge r-desc 1.2.0 r36h6115d3f_1002 conda-forge r-devtools 2.2.1 r36h6115d3f_0 conda-forge r-digest 0.6.21 r36h0357c0b_0 conda-forge r-doparallel 1.0.15 r36h6115d3f_0 conda-forge r-dplyr 0.8.3 r36h0357c0b_3 conda-forge r-dt 0.9 r36h6115d3f_0 conda-forge r-dynamictreecut 1.63_1 r36h6115d3f_1002 conda-forge r-e1071 1.7_2 r36h0357c0b_1 conda-forge r-ellipsis 0.3.0 r36hcdcec82_0 conda-forge r-emdbook 1.3.11 r36_1 conda-forge r-entropy 1.2.1 r36h6115d3f_1002 conda-forge r-essentials 3.6 r36_2001 conda-forge r-evaluate 0.14 r36h6115d3f_1 conda-forge r-fansi 0.4.0 r36hcdcec82_1001 conda-forge r-fastcluster 1.1.25 r36hc99cbb1_1002 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r-glue 1.3.1 r36hcdcec82_1 conda-forge r-gower 0.2.1 r36hcdcec82_1 conda-forge r-gplots 3.0.1.1 r36h6115d3f_1 conda-forge r-gridextra 2.3 r36h6115d3f_1002 conda-forge r-gtable 0.3.0 r36h6115d3f_2 conda-forge r-gtools 3.8.1 r36hcdcec82_1003 conda-forge r-haven 2.1.1 r36hde08347_3 conda-forge r-hexbin 1.27.3 r36h9bbef5b_2 conda-forge r-highr 0.8 r36h6115d3f_1 conda-forge r-hmisc 4.2_0 r36h9bbef5b_2 conda-forge r-hms 0.5.1 r36h6115d3f_0 conda-forge r-htmltable 1.13.2 r36h6115d3f_0 conda-forge r-htmltools 0.4.0 r36h0357c0b_0 conda-forge r-htmlwidgets 1.5.1 r36h6115d3f_0 conda-forge r-httpuv 1.5.2 r36h0357c0b_1 conda-forge r-httr 1.4.1 r36h6115d3f_1 conda-forge r-ini 0.3.1 r36h6115d3f_1002 conda-forge r-ipred 0.9_9 r36hcdcec82_1 conda-forge r-irdisplay 0.7 r36_1001 conda-forge r-irkernel 1.0.2 r36h6115d3f_2 conda-forge r-iterators 1.0.12 r36h6115d3f_0 conda-forge r-jade 2.0_2 r36h0357c0b_0 conda-forge r-jsonlite 1.6 r36hcdcec82_1001 conda-forge r-kernsmooth 2.23_15 r36h9bbef5b_1004 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r36h6115d3f_1002 conda-forge r-xptr 1.1.1 r36hcdcec82_0 conda-forge r-xtable 1.8_4 r36h6115d3f_2 conda-forge r-xts 0.11_2 r36hcdcec82_1 conda-forge r-yaml 2.2.0 r36hcdcec82_1002 conda-forge r-zeallot 0.1.0 r36h6115d3f_1001 conda-forge r-zoo 1.8_6 r36hcdcec82_1 conda-forge readline 8.0 hf8c457e_0 conda-forge rope 0.14.0 py_0 conda-forge rpy2 3.1.0 py37r36hc1659b7_0 conda-forge scikit-learn 0.21.3 py37hcdab131_0 conda-forge scipy 1.3.1 py37h921218d_2 conda-forge seaborn 0.9.0 py_1 conda-forge sed 4.7 h1bed415_1000 conda-forge send2trash 1.5.0 py_0 conda-forge setuptools 41.4.0 py37_0 conda-forge simplegeneric 0.8.1 py_1 conda-forge six 1.12.0 py37_1000 conda-forge snowballstemmer 2.0.0 py_0 conda-forge sqlite 3.30.1 hcee41ef_0 conda-forge statsmodels 0.10.1 py37hc1659b7_0 conda-forge terminado 0.8.2 py37_0 conda-forge testpath 0.4.2 py_1001 conda-forge tk 8.6.9 hed695b0_1003 conda-forge tktable 2.10 h555a92e_3 conda-forge tornado 6.0.3 py37h516909a_0 conda-forge traitlets 4.3.3 py37_0 conda-forge tzlocal 2.0.0 py_0 conda-forge wcwidth 0.1.7 py_1 conda-forge webencodings 0.5.1 py_1 conda-forge wheel 0.33.6 py37_0 conda-forge wrapt 1.11.2 py37h516909a_0 conda-forge xorg-kbproto 1.0.7 h14c3975_1002 conda-forge xorg-libice 1.0.10 h516909a_0 conda-forge xorg-libsm 1.2.3 h84519dc_1000 conda-forge xorg-libx11 1.6.9 h516909a_0 conda-forge xorg-libxau 1.0.9 h14c3975_0 conda-forge xorg-libxdmcp 1.1.3 h516909a_0 conda-forge xorg-libxext 1.3.4 h516909a_0 conda-forge xorg-libxrender 0.9.10 h516909a_1002 conda-forge xorg-renderproto 0.11.1 h14c3975_1002 conda-forge xorg-xextproto 7.3.0 h14c3975_1002 conda-forge xorg-xproto 7.0.31 h14c3975_1007 conda-forge xz 5.2.4 h14c3975_1001 conda-forge yapf 0.28.0 py_0 conda-forge zeromq 4.3.2 he1b5a44_2 conda-forge zipp 0.6.0 py_0 conda-forge zlib 1.2.11 h516909a_1006 conda-forge zstd 1.4.0 h3b9ef0a_0 conda-forge ```


Details about conda and system ( conda info ):

``` $ conda info active environment : ml-omics-sklearn active env location : /home/hermidalc/soft/miniconda3/envs/ml-omics-sklearn shell level : 1 user config file : /home/hermidalc/.condarc populated config files : /home/hermidalc/.condarc /home/hermidalc/soft/miniconda3/envs/ml-omics-sklearn/.condarc conda version : 4.7.12 conda-build version : not installed python version : 3.7.3.final.0 virtual packages : base environment : /home/hermidalc/soft/miniconda3 (writable) channel URLs : https://conda.anaconda.org/conda-forge/linux-64 https://conda.anaconda.org/conda-forge/noarch https://conda.anaconda.org/bioconda/linux-64 https://conda.anaconda.org/bioconda/noarch https://repo.anaconda.com/pkgs/main/linux-64 https://repo.anaconda.com/pkgs/main/noarch https://repo.anaconda.com/pkgs/r/linux-64 https://repo.anaconda.com/pkgs/r/noarch package cache : /home/hermidalc/soft/miniconda3/pkgs /home/hermidalc/.conda/pkgs envs directories : /home/hermidalc/soft/miniconda3/envs /home/hermidalc/.conda/envs platform : linux-64 user-agent : conda/4.7.12 requests/2.22.0 CPython/3.7.3 Linux/5.2.18-200.fc30.x86_64 fedora/30 glibc/2.29 UID:GID : 1000:1000 netrc file : None offline mode : False ```
hermidalc commented 5 years ago

You can easily reproduce the issue showing that Wayland plugins are missing with the following:

$ ipython
Python 3.7.3 | packaged by conda-forge | (default, Jul  1 2019, 21:52:21) 
Type 'copyright', 'credits' or 'license' for more information
IPython 7.9.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: import matplotlib.pyplot as plt                                                                                                                                                                                  

In [2]: Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.                                                                                                       
In [2]:
isuruf commented 5 years ago

Qt Wayland is intentionally skipped at https://github.com/conda-forge/qt-feedstock/blob/1725290e7d4d2ce3bd95231e1bde91770fe66b6a/recipe/build.sh#L173 I've no idea why that is. cc @mingwandroid

ccordoba12 commented 5 years ago

I can't speak for @mingwandroid, but it's probably left out because Wayland is still very new and not supported by all desktop environments (I think KDE still doesn't support it).

hermidalc commented 5 years ago

I can't speak for @mingwandroid, but it's probably left out because Wayland is still very new and not supported by all desktop environments (I think KDE still doesn't support it).

It's been the default desktop protocol on Fedora Linux since v25 which was released November 2016. Should be easy to include in the conda-forge qt5 package as it just means including the files I've listed?

ccordoba12 commented 5 years ago

No, that's not an easy process. If you have the possibility to use XOrg instead of Wayland, I'd suggest you to use that instead of waiting for Wayland support here.

hermidalc commented 5 years ago

No, that's not an easy process. If you have the possibility to use XOrg instead of Wayland, I'd suggest you to use that instead of waiting for Wayland support here.

I haven't used Xorg in 3 years. Sorry to bother, but could you explain in more detail why it's a difficult process? Seems from https://github.com/conda-forge/qt-main-feedstock/issues/116 it would first involve not specifying the -skip wayland option during build then the shared object files will be included in the package. Is there anything else that would make this a more cumbersome process?

ccordoba12 commented 5 years ago

Sorry to bother, but could you explain in more detail why it's a difficult process?

It seems you haven't compiled packages before, much less conda packages, so sorry, but I don't have time to explain you that.

But you're welcome to try to add support for Wayland here by creating CDT packages for it and its dependencies (I don't know how they are created, sorry), adding them as dependencies to the conda recipe here, then removing the -skip wayland flag and solving all compilation problems that could appear.

hermidalc commented 5 years ago

It seems you haven't compiled packages before, much less conda packages, so sorry, but I don't have time to explain you that.

But you're welcome to try to add support for Wayland here by creating CDT packages for it and its dependencies (I don't know how they are created, sorry), adding them as dependencies to the conda recipe here, then removing the -skip wayland flag and solving all compilation problems that could appear.

I've built libraries from source many times, though not conda packages. Looking here https://wiki.qt.io/QtWayland#How_do_I_build_QtWayland.3F it seems that with a working build of Qt5 it would involve downloading the source, qmake, make, make install and working through any missing dependency errors by finding the equivalent conda-forge (or defaults) packages.

ccordoba12 commented 5 years ago

I've built libraries from source many times

Sorry. Then you're probably not too familiar with building Qt, which is one of the hardest libraries to create packages for in the conda ecosystem.

it seems that with a working build of Qt5 it would involve downloading the source, qmake, make, make install

That's already done here.

and working through any missing dependency errors by finding the equivalent conda-forge (or defaults) packages.

That's what I referred to when talking about creating CDT packages for Wayland and its deps. Here you can find what they are and how to build packages for them.

One important note: I don't know if Wayland requires a recent kernel, glibc or userspace tools to work. I mention that because all conda packages are built in a CentOS 6 docker image.

mingwandroid commented 5 years ago

As Carlos says, this is not possible without requiring a more recent base Distro than centos6 and that would exclude a huge amount of current users. Otherwise you could try to build Wayland packages in conda forge. That's not easy.

Does XWayland not work here? @hermidalc please don't make assumptions like this. It's disheartening.

hermidalc commented 5 years ago

As Carlos says, this is not possible without requiring a more recent base Distro than centos6 and that would exclude a huge amount of current users. Otherwise you could try to build Wayland packages in conda forge. That's not easy.

Does XWayland not work here? @hermidalc please don't make assumptions like this. It's disheartening.

Isn’t this the conda-forge qt feedstock? Sorry I’m confused because I’ve always assumed this is the case ie to update the Qt5 conda-forge package not for defaults channel.

mingwandroid commented 5 years ago

Hmm, where to start with this? Deep breaths probably ..

You can see the maintainers of this feedstock here: https://github.com/conda-forge/qt-feedstock#feedstock-maintainers (@isuruf, you should be in this list too!)

2/3 of them are Anaconda Inc, employees, 1 (Carlos) is an ex-employee.

Anaconda Distribution and conda-forge have large overlaps in many regards beyond personel, we see conda-forge as our upstream and with regards to the Qt package, I contribute to it a lot.

You didn't answer my question though. Does XWayland not work for you? If it does work then is this a big deal? Also, are you prepared to do this work?

hermidalc commented 5 years ago

You didn't answer my question though. Does XWayland not work for you? If it does work then is this a big deal? Also, are you prepared to do this work?

Sorry about that was writing on my phone. Apologies too for making any assumptions didn't mean to, just trying to figure things out like most users. It is automatically falling back to XWayland XCB plugin after giving you the warning shown above, so just more of an annoyance than anything else as the warning pops up every time I use a library that uses qt5 (like matplotlib on Linux).

Wayland has been where the Linux desktop is headed since a few years now. While KDE might not have it as default yet it's been the default for GNOME (which I use), Plasma, and Enlightenment desktop environments for years. Just thought for the conda-forge channel (not defaults) package this maybe should eventually be supported?

Even now with the latest Fedora 31 release they have made Qt5 Wayland plugin the default not XCB. https://fedoraproject.org/wiki/Changes/Qt_Wayland_By_Default_On_Gnome

mingwandroid commented 5 years ago

Just thought for the conda-forge channel (not defaults) package this maybe should eventually be supported?

That's fine, but it is not at all fine at the expense of CentOS6 compatibility. But mainly, conda-forge is open-source, so if you want to find out how difficult things really get, please feel free to attempt this. There are two ways:

Way 1:

1.1. Add a `wayland` package to conda-forge.
1.2. Make this recipe depend upon that.
1.3. Add it to the configure line then fix the myriad of build problems.

or .. 

Way 2

2.1. Add CDT packages for CentOS7/x86_64 including wayland (if it's available, I don't use Wayland and don't care about it, I tried it once, it didn't work well so I went back to X11).
2.2. Make this recipe depend upon that.
2.3. Add it to the configure line then fix the myriad of build problems.

I'm not sure why you bring up Fedora or any other very modern linux distro. They have a lot more freedom than we do, they do not build software that also runs on all the other linux distros!

But since XWayland works I don't see any point. You could try to make a patch for Qt so the warning is disabled if it troubles you enough.

Thanks.

hermidalc commented 5 years ago

That's fine, but it is not at all fine at the expense of CentOS6 compatibility. But mainly, conda-forge is open-source, so if you want to find out how difficult things really get, please feel free to attempt this. There are two ways:

Way 1:

1.1. Add a `wayland` package to conda-forge.
1.2. Make this recipe depend upon that.
1.3. Add it to the configure line then fix the myriad of build problems.

or ..

Way 2

2.1. Add CDT packages for CentOS7/x86_64 including wayland (if it's available, I don't use Wayland and don't care about it, I tried it once, it didn't work well so I went back to X11).
2.2. Make this recipe depend upon that.
2.3. Add it to the configure line then fix the myriad of build problems.

I will attempt this and see how it goes.

I'm not sure why you bring up Fedora or any other very modern linux distro. They have a lot more freedom than we do, they do not build software that also runs on all the other linux distros!

I'm brought it up because this issue is only relevant to people using conda-forge qt5 on modern Linux distros with GNOME, KDE5 Plasma, or Enlightenment desktops which run Wayland by default. For people using X11 this issue isn't relevant. Does that make sense?

But since XWayland works I don't see any point. You could try to make a patch for Qt so the warning is disabled if it troubles you enough.

The workaround to suppress the warnings is simple, so for other users who come here you need to set the XDG_SESSION_TYPE to x11 in code that will use conda-forge qt5, such as matplotlib. Though of course don't change that env var permanently as your entire Wayland desktop will go back to X11.

import os
import numpy as np
import matplotlib.pyplot as plt

os.environ['XDG_SESSION_TYPE'] = 'x11'

t = np.arange(0.0, 2.0, 0.01)
s = 1 + np.sin(2 * np.pi * t)

fig, ax = plt.subplots()
ax.plot(t, s)

ax.set(xlabel='time (s)', ylabel='voltage (mV)',
       title='About as simple as it gets, folks')
ax.grid()
plt.show()
hermidalc commented 5 years ago

@mingwandroid @isuruf @ccordoba12 may I ask what is pkgw-forge?

https://anaconda.org/search?q=wayland

ccordoba12 commented 5 years ago

I'm with @mingwandroid here: if you're so annoyed by that warning, simply look for it in the Qt source code and comment it.

Also, sorry for not reading your original post in depth, but I really don't understand all this fuss for a warning. I thought things were failing for you, which would be a completely different story.

hermidalc commented 5 years ago

Also, sorry for not reading your original post in depth, but I really don't understand all this fuss for a warning. I thought things were failing for you, which would be a completely different story.

I don't see where I've been making "a big fuss". Just reported an issue on here how Wayland isn't supported on the conda-forge qt5 package and having a polite discussion about it, is that allowed?

hermidalc commented 5 years ago

@mingwandroid @isuruf @ccordoba12 may I ask what is pkgw-forge?

https://anaconda.org/search?q=wayland

Dear @pkgw - apologies in advance for roping you into this discussion, but seems like you have a lot of experience and insight regarding this issue. Would you be interested in porting your packages and bringing Wayland support to conda-forge?

mingwandroid commented 5 years ago

I'm brought it up because this issue is only relevant to people using conda-forge qt5 on modern Linux distros with GNOME, KDE5 Plasma, or Enlightenment desktops which run Wayland by default. For people using X11 this issue isn't relevant. Does that make sense?

Again, this is a warning. XWayland is an appropriate option for everyone using Wayland AFAIK. I for one can easily ignore irrelevant warnings (until such a time as something breaks because they aren't expected; at that point they become very relevant!)

hermidalc commented 5 years ago

Again, this is a warning. XWayland is an appropriate option for everyone using Wayland AFAIK. I for one can easily ignore irrelevant warnings (until such a time as something breaks because they aren't expected; at that point they become very relevant!)

This brings up an important point and another reason why I originally opened this issue. Today it is just a warning that can be easily suppressed, but by no means does that mean it will stay that way as long as the conda-forge qt5 package doesn't intend to include the Wayland QPA plugin. In future this could cause things not to work and a work stoppage for users, so just trying to make it known by opening the issue.

mingwandroid commented 5 years ago

but by no means does that mean it will stay that way

If it were to be changed to a hard error then that would by necessity happen when the Qt Project releases a new version. If and when that happens, we'll do something about it (before publishing the release, hopefully, but even then, we can and do pull broken package builds).

Good luck!

maxnoe commented 3 years ago

But since XWayland works I don't see any point. You could try to make a patch for Qt so the warning is disabled if it troubles you enough.

On HiDPI displays, everything using XWayland is blurry to the point of being really painful. E.g. matplotlib is only barely tolerable using current conda forge packages with the xwayland fallback to xcb.

It's been another two years, wayland usage has only increased since then and CENTOS 6 has reached end of life.

maxnoe commented 2 years ago

Sorry to be bugging here again and I want to stress that I would be willing to help, but looking at the list here: https://en.wikipedia.org/wiki/Wayland_(display_server_protocol)#Desktop_Linux_distributions

are now all Wayland by default.

hermidalc commented 2 years ago

In addition to CentOS 6 being EOL and that conda should not care anymore about supporting compatibility, Wayland has been default already since CentOS 7.8 and CentOS 7 reaches EOL in only a couple years.

So since it is such a difficult time consuming process to rebuild all conda linux pkgs on a new CentOS distro every few years, I would suggest leap frogging past 7 and 8 and using a good Stream rolling release point that will exclude fewer Linux users while keeping in mind you can’t make everyone happy and this is a PITA to redo every few years so gotta push people forward.

hmaarrfk commented 1 year ago

We have in qt 5.15 moved to centos 7.

It seems that libwayland can be a plugin.

Generally, I suggest that you do all the experiments in your own branch, then demonstrate results at conda-forge.

I may be interested in trying my hand at it in a few weeks.

For reference, here is ubuntu's package https://packages.ubuntu.com/jammy/qtwayland5

PS. I'm also moving this to qt-main since that is where the new work is being done

hmaarrfk commented 1 year ago

So I made a few PRs to staged recipes that are probably ready for review:

They should be readily buildable, and installable with python build_locally.py. As people interested in conda/qt/wayland, it would be appreciated if you could test and give feedback.

I've still found the X11 backend to be faster than wayland for my opengl work (even when the desktop environment is running in wayland).

hmaarrfk commented 1 year ago

I think the issues brought up in https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/issues/288 are worth a read for those thinking of taking the plunge into wayland for qt.

hmaarrfk commented 1 year ago

I just wanted to say that the package qt-wayland is now available.

https://github.com/conda-forge/qt-wayland-feedstock/

PRs for qt6-wayland would be appreciated.

Given that that the package now exists. I'm going to close this issue.

Thank you all for your patience.

maxnoe commented 1 year ago

Thank you so much! matplotlib finally works on wayland without being a blurry mess on HiDPI!