vasilito
cb424d7448
verify-patch-sanity.py validates every active recipe .patch has internally- consistent hunk line counts — catching the 'malformed patch at line N' failure at commit/CI/preflight time instead of hours into a cook. This cycle hit that class three times (qtwaylandscanner, sddm, xwayland), each only discovered when cookbook tried to apply the patch. Running it across the repo found 29 latent malformed patches (validated against GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22'). They were harmless only because they sit in vendored recipes (baked, not re- applied) — but would fail on any version-bump re-derivation. --fix recounts the hunk headers (body untouched) and repaired all 29. Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test (test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats (empty placeholders, bare-@@ git hunks).
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=====
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Talks
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=====
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----
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2025
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* An introduction to building and using LLVM libc - Peter Smith
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* `slides <https://fosdem.org/2025/events/attachments/fosdem-2025-5456-an-introduction-to-building-and-using-llvm-libc/slides/237989/Fosdem202_76Bilu2.pdf>`__
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* `videos <https://fosdem.org/2025/schedule/event/fosdem-2025-5456-an-introduction-to-building-and-using-llvm-libc/>`__
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----
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2024
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----
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* A C/C++ Toolchain for your GPU - Joseph Huber
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* `slides <https://llvm.org/devmtg/2024-10/slides/techtalk/Huber-A-CPlusPlus-Toolchain-for-Your-GPU.pdf>`__
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* `videos <https://www.youtube.com/watch?v=4TxGWis1mws>`__
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* `phoronix <https://www.phoronix.com/news/AMD-Standard-C-Code-GPUs>`__
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* Modern Embedded Development with LLVM - Petr Hosek
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* `slides <https://llvm.org/devmtg/2024-10/slides/techtalk/Hosek-ModernEmbeddedDevelopment-with-LLVM.pdf>`__
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* `videos <https://www.youtube.com/watch?v=5hHQi-Uj34I>`__
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* Using llvm-libc in LLVM Embedded Toolchain for Arm - Peter Smith
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* `slides <https://llvm.org/devmtg/2024-10/slides/lightning/Smith-Using-llvm-libc.pdf>`__
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* `videos <https://www.youtube.com/watch?v=ctgkbaYwT_I>`__
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* RISC-V Support into LLVM libc - Challenges and Solutions for 32-bit and 64-bit - Mikhail R. Gadelha
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* `slides <https://llvm.org/devmtg/2024-10/slides/quicktalks/Gadelha-RISC-V-SupportIntoLLVM-libc.pdf>`__
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* `videos <https://www.youtube.com/watch?v=GytmaH64wFo>`__
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* Project Hand-in-Hand - The beginning of a beautiful friendship - Michael Jones & Christopher Di Bella
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* `slides <https://llvm.org/devmtg/2024-10/slides/techtalk/Jones-DiBella-hand-in-hand.pdf>`__
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* `videos <https://www.youtube.com/watch?v=VAEO86YtTHA>`__
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* LLVM libc math library - Current status and future directions - Tue Ly
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* `slides <https://llvm.org/devmtg/2024-10/slides/techtalk/Ly-LLVM-libc-math-library-CurrentStatus.pdf>`__
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* `videos <https://www.youtube.com/watch?v=-8zb8rHbvcQ>`__
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* Half-precision in LLVM libc - Nicolas Celik
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* `slides <https://llvm.org/devmtg/2024-10/slides/studenttalks/Celik-Half-precision-in-LLVM-libc.pdf>`__
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* `videos <https://www.youtube.com/watch?v=H6aOFSVwSSM>`__
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----
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2023
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----
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* Math functions in LLVM libc or yet another correctly rounded libm - Tue Ly
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* `slides <https://drive.google.com/file/d/1Gchrc3AXKXAWFI1nk8Y1x8UsoQSp8XjF/view>`__
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* `video <https://www.youtube.com/watch?v=kBSJqVWNQLY>`__
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* The LLVM C Library for GPUs - Joseph Huber
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* `slides <https://llvm.org/devmtg/2023-10/slides/techtalks/Huber-LibCforGPUs.pdf>`__
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* `video <https://www.youtube.com/watch?v=_LLGc48GYHc>`__
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* The Challenges of Implementing the C Standard Library in C++ - Sivachandra Reddy
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* `slides <https://github.com/boostcon/cppnow_presentations_2023/blob/main/cppnow_slides/The_Challenges_of_Implementing_the_C_Standard_Library_in_Cpp.pdf>`__
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* `video <https://www.youtube.com/watch?v=cuVrWUGSIgM>`__
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----
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2022
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----
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* Using LLVM's libc - Sivachandra Reddy, Michael Jones, Tue Ly
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* `slides <https://llvm.org/devmtg/2022-11/slides/Tutorial1-UsingLLVM-libc.pdf>`__
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* `video <https://www.youtube.com/watch?v=OpY4lnpnbq4>`__
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* Using modern CPU instructions to improve LLVM's libc math library - Tue Ly
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* `slides <https://llvm.org/devmtg/2022-11/slides/QuickTalk7-UsingModernCPUInstructionsToImproveLLVM-libcMathLib>`__
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* `video <https://www.youtube.com/watch?v=9bvdbdn0nMA>`__
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* Approximating at Scale: How strto float in LLVM’s libc is faster - Michael Jones
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* `slides <https://llvm.org/devmtg/2022-11/slides/QuickTalk3-ApproximatingatScale-StringToFloat.pdf>`__
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* `video <https://www.youtube.com/watch?v=s-UjbTV8p6g>`__
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