Drop CDT and use conda-forge packages to provide OpenGL on Linux

[traversaro]

See:

• Add libglvnd recipe staged-recipes#27107
• Use libgl-devel and libegl-devel qt-main-feedstock#284

Checklist

• Used a personal fork of the feedstock to propose changes
• Bumped the build number (if the version is unchanged)
• Reset the build number to 0 (if the version changed)
• Re-rendered with the latest conda-smithy (Use the phrase @conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• Ensured the license file is being packaged.

[conda-forge-webservices]

Hi! This is the friendly automated conda-forge-linting service.

I wanted to let you know that I linted all conda-recipes in your PR (recipe/meta.yaml) and found some lint.

Here's what I've got...

For recipe/meta.yaml:

• This recipe is using a compiler, which now requires adding a build dependence on {{ stdlib("c") }} as well. Note that this rule applies to each output of the recipe using a compiler. For further details, please see META: {{ stdlib("c") }} migration conda-forge.github.io#2102.

[conda-forge-webservices]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe/meta.yaml) and found it was in an excellent condition.

[traversaro]

@conda-forge-admin, please rerender

[traversaro]

@conda-forge-admin, please rerender

[traversaro]

@conda-forge-admin, please rerender

[github-actions]

Hi! This is the friendly automated conda-forge-webservice.

I tried to rerender for you, but it looks like there was nothing to do.

This message was generated by GitHub actions workflow run https://github.com/conda-forge/irrlicht-feedstock/actions/runs/10466805080.

[traversaro]

There was this failure:

[ 38%] Building CXX object CMakeFiles/Irrlicht.dir/source/Irrlicht/CIrrDeviceLinux.cpp.o
$BUILD_PREFIX/bin/x86_64-conda-linux-gnu-c++ -DIRRLICHT_EXPORTS -DIrrlicht_EXPORTS -DNO_IRR_COMPILE_WITH_DIRECT3D_9_ -DNO_IRR_USE_NON_SYSTEM_BZLIB_ -DNO_IRR_USE_NON_SYSTEM_JPEG_LIB_ -DNO_IRR_USE_NON_SYSTEM_LIB_PNG_ -DNO_IRR_USE_NON_SYSTEM_ZLIB_ -I$SRC_DIR/source/Irrlicht -I$SRC_DIR/source/Irrlicht/aesGladman -I$SRC_DIR/source/Irrlicht/lzma -I$SRC_DIR/include -isystem $PREFIX/include/SDL -fvisibility-inlines-hidden -fmessage-length=0 -march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -isystem $PREFIX/include -fdebug-prefix-map=$SRC_DIR=/usr/local/src/conda/irrlicht-1.8.5 -fdebug-prefix-map=$PREFIX=/usr/local/src/conda-prefix -fpermissive -O3 -DNDEBUG -fPIC -Wall -pipe -fno-exceptions -fno-strict-aliasing -MD -MT CMakeFiles/Irrlicht.dir/source/Irrlicht/CIrrDeviceLinux.cpp.o -MF CMakeFiles/Irrlicht.dir/source/Irrlicht/CIrrDeviceLinux.cpp.o.d -o CMakeFiles/Irrlicht.dir/source/Irrlicht/CIrrDeviceLinux.cpp.o -c $SRC_DIR/source/Irrlicht/CIrrDeviceLinux.cpp
In file included from /home/conda/feedstock_root/build_artifacts/irrlicht_1724145600341/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pl/include/X11/XKBlib.h:31,
                 from /home/conda/feedstock_root/build_artifacts/irrlicht_1724145600341/work/source/Irrlicht/CIrrDeviceLinux.cpp:24:
/home/conda/feedstock_root/build_artifacts/irrlicht_1724145600341/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pl/include/X11/extensions/XKBstr.h:405:38: error: expected ';' at end of member declaration
  405 |         char    name[XkbKeyNameLength]  _X_NONSTRING;
      |                                      ^
      |                                        ;
/home/conda/feedstock_root/build_artifacts/irrlicht_1724145600341/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pl/include/X11/extensions/XKBstr.h:405:41: error: '_X_NONSTRING' does not name a type
  405 |         char    name[XkbKeyNameLength]  _X_NONSTRING;
      |                                         ^~~~~~~~~~~~
/home/conda/feedstock_root/build_artifacts/irrlicht_1724145600341/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pl/include/X11/extensions/XKBstr.h:409:38: error: expected ';' at end of member declaration
  409 |         char    real[XkbKeyNameLength]  _X_NONSTRING;
      |                                      ^
      |                                        ;
/home/conda/feedstock_root/build_artifacts/irrlicht_1724145600341/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pl/include/X11/extensions/XKBstr.h:409:41: error: '_X_NONSTRING' does not name a type
  409 |         char    real[XkbKeyNameLength]  _X_NONSTRING;
      |                                         ^~~~~~~~~~~~
/home/conda/feedstock_root/build_artifacts/irrlicht_1724145600341/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pl/include/X11/extensions/XKBstr.h:410:39: error: expected ';' at end of member declaration
  410 |         char    alias[XkbKeyNameLength] _X_NONSTRING;
      |                                       ^
      |                                        ;
/home/conda/feedstock_root/build_artifacts/irrlicht_1724145600341/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pl/include/X11/extensions/XKBstr.h:410:41: error: '_X_NONSTRING' does not name a type
  410 |         char    alias[XkbKeyNameLength] _X_NONSTRING;
      |                                         ^~~~~~~~~~~~
make[2]: *** [CMakeFiles/Irrlicht.dir/build.make:1308: CMakeFiles/Irrlicht.dir/source/Irrlicht/CIrrDeviceLinux.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '$SRC_DIR/build'
make[1]: *** [CMakeFiles/Makefile2:83: CMakeFiles/Irrlicht.dir/all] Error 2
make[1]: Leaving directory '$SRC_DIR/build'

this was due to installing both xorg-xproto and xorg-xorgproto that actually install the same files. The solution was to install xorg-kbproto instead of xorg-xorgproto, see conda-forge/xorg-xproto-feedstock#14 for the general issue on the problem.