caio/clang-p2996
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[libc] Add CMake cache file for the GPU build (#124589)

Browse Source 
Summary:
This introduces libc cache files and adds one for building the GPU
support. The cache files will set defaults for these arguments which can
be overridden if the user needs to. They also serve as documentation for
how the builid is expected to look.
This commit is contained in:
Joseph Huber
2025-01-27 11:46:35 -06:00
committed by GitHub
parent 88cca8ea20
commit 7b1becd940
2 changed files with 6 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
libc/cmake/caches/gpu.cmake Normal file
View File

@@ -0,0 +1,4 @@
set(LLVM_ENABLE_PROJECTS "clang;clang-tools-extra;lld" CACHE STRING "")
set(LLVM_RUNTIME_TARGETS default;amdgcn-amd-amdhsa;nvptx64-nvidia-cuda CACHE STRING "")
set(RUNTIMES_nvptx64-nvidia-cuda_LLVM_ENABLE_RUNTIMES "compiler-rt;libc" CACHE STRING "")
set(RUNTIMES_amdgcn-amd-amdhsa_LLVM_ENABLE_RUNTIMES "compiler-rt;libc" CACHE STRING "")

3
libc/docs/gpu/building.rst
View File

@@ -58,7 +58,8 @@ OpenMP support. We then set ``RUNTIMES_<triple>_LLVM_ENABLE_RUNTIMES`` to enable
``libc`` for the GPU targets. The ``LLVM_RUNTIME_TARGETS`` sets the enabled
targets to build, in this case we want the default target and the GPU targets.
Note that if ``libc`` were included in ``LLVM_ENABLE_RUNTIMES`` it would build
targeting the default host environment as well.
targeting the default host environment as well. Alternatively, you can point
your build towards the ``libc/cmake/caches/gpu.cmake`` cache file with ``-C``.
Runtimes cross build
--------------------