Hi guix, The mangohud package was broken (corrupted display) with commit <https://git.savannah.gnu.org/cgit/guix.git/commit/?id=0d5746ee7ca337dcc82553ca6dd794b04bb6563d> I'm not sure why that change in build option does it, but trying to run "mangohud glxgears" exits immediately with --8<---------------cut here---------------start------------->8--- ❯ guix time-machine --commit=0d5746ee7ca337dcc82553ca6dd794b04bb6563d -- shell mesa-utils mangohud -- mangohud glxgears amdgpu: unknown (family_id, chip_external_rev): (145, 1) libGL error: failed to create dri screen libGL error: failed to load driver: radeonsi amdgpu: unknown (family_id, chip_external_rev): (145, 1) libGL error: failed to create dri screen libGL error: failed to load driver: radeonsi [2023-06-21 Wed 21:01] [MANGOHUD] [info] [config.cpp:118] skipping config: '/gnu/store/25y85hj066crw9kqd4c1jlg6yifd2wiv-mesa-utils-8.4.0/bin/MangoHud.conf' [ not found ] [2023-06-21 Wed 21:01] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/john/.config/MangoHud/glxgears.conf' [ not found ] [2023-06-21 Wed 21:01] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/john/.config/MangoHud/MangoHud.conf' [ not found ] amdgpu: unknown (family_id, chip_external_rev): (145, 1) libGL error: failed to create dri screen libGL error: failed to load driver: radeonsi amdgpu: unknown (family_id, chip_external_rev): (145, 1) libGL error: failed to create dri screen libGL error: failed to load driver: radeonsi [2023-06-21 Wed 21:01] [MANGOHUD] [error] [loader_nvml.cpp:42] Failed to open 64bit libnvidia-ml.so.1: libnvidia-ml.so.1: cannot open shared object file: No such file or directory [2023-06-21 Wed 21:01] [MANGOHUD] [error] [nvml.cpp:43] Failed to load NVML [2023-06-21 Wed 21:01] [MANGOHUD] [info] [overlay.cpp:768] Uploading is disabled (permit_upload = 0) glxgears: imgui.cpp:7475: bool ImGui::DebugCheckVersionAndDataLayout(const char*, size_t, size_t, size_t, size_t, size_t, size_t): Assertion `sz_idx == sizeof(unsigned int) && "Mismatched struct layout!"' failed. --8<---------------cut here---------------end--------------->8--- The last line usually indicated a mismatch in imgui versions somewhere, but for some reason it comes from this build option. I guess mangohud somewhere assumes a different type. (All the previous lines are present when working correctly.) I've tested this builds and fixes the problem, I just didn't push it directly as I wasn't sure if there was a better way to do this change in a package inheritance. Anything clever? I would guess not since it is a custom build phase with 'invoke', but thought I'd give it a chance for any quick comments in case there's something cleaner. Thanks! John
0001-gnu-imgui-1.86-Fix-build-for-mangohud.patch
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