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@Alucard Due to unforeseen circumstances I didn't get the time to reply. Would you mind opening a GH issue in https://github.com/CachyOS/proton-cachyos with your findings so we can track it?

That being said, as you have already found out, -mpreferred-stack-boundary is already set in Maakefile.in, albeit it shouldn't be required as DXVK's build system now sets it by default for its 32bit libraries too. I was about to suggest either using -mprefer-avx128 or -mno-avx512f. We would like at least work around these issues, if not actually fix them, so we can include a znver4 build in CachyOS too, but due to HW availability I am not able to do it myself. Right now we are using the x86_64_v3 binaries for znver4 repos.

Sorry, I see now that preferred-stack-boundary is already included in the proton-cachyos source Makefile.in, but on my system it still crashes when compiling with march=znver4. I think I solved it by changing just DXVK (both 32 and 64 bit) to compile with -mno-avx512f.

Hello! Coming from proton-ge-custom, I built this with march=znver4 today and Elite Dangerous crashed after the opening logo, but when I rebuilt with march=znver3, it worked. If I'm seeing this right then I don't believe this package has the preferred-stack-boundary patch that proton-ge-custom did? Is it possible to add something similar?

No idea how long this link will work for but this is the patch I'm referring to: https://aur.archlinux.org/cgit/aur.git/tree/0008-build-Stop-forcing-mno-avx-for-32bit-libraries.patch?h=proton-ge-custom

Thank you!

@loathingkernel i only use paru, that didn't help. I'll look into the clean chroot.

Edit: ok, the clean chroot didn't help. As per the upstream developer, I ended up using their docker-makepkg package (https://github.com/CachyOS/docker-makepkg) and ran the command directly inside the cloned aur repo: time docker run --name dockerbuilder -e EXPORT_PKG=1 -e SYNC_DATABASE=1 -v $PWD:/pkg cachyos/docker-makepkg && docker rm dockerbuilder

It took about 30 mins, but it compiled and was able to install the .zst package once it was done without any issue.

On my system with AMD this package is building OK. On nvidia system I`m getting this error, but I really need nvidia support for proton :(

Uninstall cuda from your system and rebuild, or build in a clean chroot, or use paru which can be configured to build packages in a clean chroot.

I posted to the upstream github repo here: https://github.com/CachyOS/proton-cachyos/issues/6

The developer of CachyOS replied with:

Can you reproduce this issue in a chroot? e.g docker-makepkg or pkgctl builld ?

As someone who's not a developer and not as well versed in these things (tho general linux admin I'm pretty good at) I asked for more info on what this means. I suspect that during the compilation process it needs root in order to "see" the library in /opt/cuda/include/cub - my suspicion is based on the suggestion to use docker-makepkg which somehow "spoofs" root and "allows" the rest of the compilation process to complete, but this feels like an overwrought solution that I also do not know how to implement. Anyone else may have an idea on how to proceed here?

Same problem here: This warning is for project developers. Use -Wno-dev to suppress it.

-- Configuring incomplete, errors occurred! make[1]: *** [../proton-cachyos/Makefile.in:652: /var/tmp/pamac-build-user/proton-cachyos/src/build/.kaldi-configure32] Błąd 1 make[1]: Opuszczenie katalogu '/var/tmp/pamac-build-user/proton-cachyos/src/build' make: *** [../proton-cachyos/Makefile.in:1544: dist] Błąd 2

Anyone else getting errors in trying to compile this? This happens every time I've tried to makepkg -si:

Re-run cmake no build system arguments
-- The C compiler identification is GNU 14.2.1
-- The CXX compiler identification is GNU 14.2.1
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /home/user/.cache/paru/clone/proton-cachyos/src/wrappers/i686-pc-linux-gnu-gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /home/user/.cache/paru/clone/proton-cachyos/src/wrappers/i686-pc-linux-gnu-g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Warning (dev) at CMakeLists.txt:25 (find_package):
  Policy CMP0148 is not set: The FindPythonInterp and FindPythonLibs modules
  are removed.  Run "cmake --help-policy CMP0148" for policy details.  Use
  the cmake_policy command to set the policy and suppress this warning.

This warning is for project developers.  Use -Wno-dev to suppress it.

-- Found PythonInterp: /usr/bin/python (found version "3.12.7")
-- Running gen_cmake_skeleton.py
/home/user/.cache/paru/clone/proton-cachyos/src/build/src-kaldi/cmake/gen_cmake_skeleton.py:235: SyntaxWarning: invalid escape sequence '\s'
  libs = re.findall("[^\s\\\\=]+", libs)
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Found CUDAToolkit: /opt/cuda/targets/x86_64-linux/include (found version "12.6.85")
CMake Warning (dev) at CMakeLists.txt:168 (find_package):
  Policy CMP0146 is not set: The FindCUDA module is removed.  Run "cmake
  --help-policy CMP0146" for policy details.  Use the cmake_policy command to
  set the policy and suppress this warning.

This warning is for project developers.  Use -Wno-dev to suppress it.

-- Found CUDA: /opt/cuda (found version "12.6")
-- Found NvToolExt: /opt/cuda/include
CMake Error at /usr/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:233 (message):
  Could NOT find CUB (missing: CUB_INCLUDE_DIR)
Call Stack (most recent call first):
  /usr/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:603 (_FPHSA_FAILURE_MESSAGE)
  cmake/FindCUB.cmake:17 (find_package_handle_standard_args)
  CMakeLists.txt:200 (find_package)


-- Configuring incomplete, errors occurred!
make[1]: *** [../proton-cachyos/Makefile.in:652: /home/user/.cache/paru/clone/proton-cachyos/src/build/.kaldi-configure32] Error 1
make[1]: Leaving directory '/home/user/.cache/paru/clone/proton-cachyos/src/build'
make: *** [../proton-cachyos/Makefile.in:1544: dist] Error 2
==> ERROR: A failure occurred in build().
    Aborting...
error: failed to build 'proton-cachyos-1:9.0.20241206-2': 
error: packages failed to build: proton-cachyos-1:9.0.20241206-2

I also confirmed that the CUB library is present in /opt/cuda/include/cub. Anyone got any ideas?