From 440dc98b07d89d3c45c19a9c4ddfbf264081600b Mon Sep 17 00:00:00 2001 From: Raul Tambre Date: Sun, 22 Nov 2020 11:03:00 +0200 Subject: CUDA: Clang CUDA 11.1 support version.txt is gone from CUDA 11.1 installations, but the rest is the same. Instead of looking for version.txt look for /nvvm/libdevice, which is the main thing that Clang requires (though it also checks for the existence of bin and include). Fixes #21353. --- Help/release/3.19.rst | 2 ++ Modules/CMakeDetermineCUDACompiler.cmake | 8 ++++---- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/Help/release/3.19.rst b/Help/release/3.19.rst index 961d6c0..a29dc07 100644 --- a/Help/release/3.19.rst +++ b/Help/release/3.19.rst @@ -346,3 +346,5 @@ Changes made since CMake 3.19.0 include the following. it can break projects that were using the property only to cause the specified language's compiler to be used. This has been reverted to restore behavior from CMake 3.18 and below. + +* CUDA 11.1 support for Clang. diff --git a/Modules/CMakeDetermineCUDACompiler.cmake b/Modules/CMakeDetermineCUDACompiler.cmake index 9220551..781c590 100644 --- a/Modules/CMakeDetermineCUDACompiler.cmake +++ b/Modules/CMakeDetermineCUDACompiler.cmake @@ -176,12 +176,12 @@ if(NOT CMAKE_CUDA_COMPILER_ID_RUN) # In a non-scattered installation the following are equivalent to CMAKE_CUDA_COMPILER_TOOLKIT_ROOT. # We first check for a non-scattered installation to prefer it over a scattered installation. - # CMAKE_CUDA_COMPILER_LIBRARY_ROOT contains the device library and version file. - if(EXISTS "${CMAKE_CUDA_COMPILER_TOOLKIT_ROOT}/version.txt") + # CMAKE_CUDA_COMPILER_LIBRARY_ROOT contains the device library. + if(EXISTS "${CMAKE_CUDA_COMPILER_TOOLKIT_ROOT}/nvvm/libdevice") set(CMAKE_CUDA_COMPILER_LIBRARY_ROOT "${CMAKE_CUDA_COMPILER_TOOLKIT_ROOT}") - elseif(CMAKE_SYSROOT_LINK AND EXISTS "${CMAKE_SYSROOT_LINK}/usr/lib/cuda/version.txt") + elseif(CMAKE_SYSROOT_LINK AND EXISTS "${CMAKE_SYSROOT_LINK}/usr/lib/cuda/nvvm/libdevice") set(CMAKE_CUDA_COMPILER_LIBRARY_ROOT "${CMAKE_SYSROOT_LINK}/usr/lib/cuda") - elseif(EXISTS "${CMAKE_SYSROOT}/usr/lib/cuda/version.txt") + elseif(EXISTS "${CMAKE_SYSROOT}/usr/lib/cuda/nvvm/libdevice") set(CMAKE_CUDA_COMPILER_LIBRARY_ROOT "${CMAKE_SYSROOT}/usr/lib/cuda") endif() -- cgit v0.12