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Require C++20 for compatibility with PyTorch (#40380)

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Signed-off-by: Richard Barnes <[email protected]>
Co-authored-by: Claude <[email protected]>
This commit is contained in:
Richard Barnes
2026-05-08 22:04:43 -07:00
committed by GitHub
co-authored by Claude
parent f6490a2841
commit d6563d693c
3 changed files with 6 additions and 3 deletions
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CMakeLists.txt
+5 -1
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@@ -13,8 +13,12 @@ cmake_minimum_required(VERSION 3.26)
# cmake --install . --component _C
project(vllm_extensions LANGUAGES CXX)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CUDA_STANDARD 20)
set(CMAKE_CUDA_STANDARD_REQUIRED ON)
set(CMAKE_HIP_STANDARD 20)
set(CMAKE_HIP_STANDARD_REQUIRED ON)
# CUDA by default, can be overridden by using -DVLLM_TARGET_DEVICE=... (used by setup.py)
cmake/cpu_extension.cmake
+1 -1
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@@ -1,7 +1,7 @@
include(FetchContent)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_EXTENSIONS ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
cmake/external_projects/deepgemm.cmake
-1
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@@ -76,7 +76,6 @@ if(DEEPGEMM_ARCHS)
"${deepgemm_SOURCE_DIR}/third-party/fmt/include")
target_compile_options(_deep_gemm_C PRIVATE
$<$<COMPILE_LANGUAGE:CXX>:-std=c++17>
$<$<COMPILE_LANGUAGE:CXX>:-O3>
$<$<COMPILE_LANGUAGE:CXX>:-Wno-psabi>
$<$<COMPILE_LANGUAGE:CXX>:-Wno-deprecated-declarations>)