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[libc] Repurpose LIBC_GPU_BUILD option to enable the new format #82848

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Merged
merged 2 commits into from
Mar 13, 2024
Merged

[libc] Repurpose LIBC_GPU_BUILD option to enable the new format #82848

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f60d543
[libc] Repurpose `LIBC_GPU_BUILD` option to enable the new format
jhuber6 Feb 23, 2024
be70ac8
Merge branch 'main' into GPUBuild
jhuber6 Mar 13, 2024
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1 change: 0 additions & 1 deletion libc/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,6 @@ option(LLVM_LIBC_FULL_BUILD "Build and test LLVM libc as if it is the full libc"
option(LLVM_LIBC_IMPLEMENTATION_DEFINED_TEST_BEHAVIOR "Build LLVM libc tests assuming our implementation-defined behavior" ON)
option(LLVM_LIBC_ENABLE_LINTING "Enables linting of libc source files" OFF)

option(LIBC_GPU_BUILD "Build libc for the GPU. All CPU build options will be ignored." OFF)
set(LIBC_TARGET_TRIPLE "" CACHE STRING "The target triple for the libc build.")

option(LIBC_CONFIG_PATH "The path to user provided folder that configures the build for the target system." OFF)
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12 changes: 12 additions & 0 deletions llvm/CMakeLists.txt
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Expand Up @@ -159,6 +159,18 @@ foreach(proj IN LISTS LLVM_ENABLE_RUNTIMES)
endif()
endforeach()

# Set a shorthand option to enable the GPU build of the 'libc' project.
option(LIBC_GPU_BUILD "Enable the 'libc' project targeting the GPU" OFF)
if(LIBC_GPU_BUILD)
if(LLVM_RUNTIME_TARGETS)
list(APPEND LLVM_RUNTIME_TARGETS "nvptx64-nvidia-cuda" "amdgcn-amd-amdhsa")
else()
set(LLVM_RUNTIME_TARGETS "default;nvptx64-nvidia-cuda;amdgcn-amd-amdhsa")
endif()
list(APPEND RUNTIMES_nvptx64-nvidia-cuda_LLVM_ENABLE_RUNTIMES "libc")
list(APPEND RUNTIMES_amdgcn-amd-amdhsa_LLVM_ENABLE_RUNTIMES "libc")
endif()

set(NEED_LIBC_HDRGEN FALSE)
if("libc" IN_LIST LLVM_ENABLE_RUNTIMES)
set(NEED_LIBC_HDRGEN TRUE)
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