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Fix libnvptxcompiler_static.a absolute path #115015

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Merged
merged 1 commit into from
Nov 6, 2024
Merged

Fix libnvptxcompiler_static.a absolute path #115015

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12 changes: 9 additions & 3 deletions mlir/lib/Target/LLVM/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -70,17 +70,23 @@ if ("NVPTX" IN_LIST LLVM_TARGETS_TO_BUILD)
if(MLIR_ENABLE_NVPTXCOMPILER)
# Find the `nvptxcompiler` library.
# TODO: Bump the MLIR CMake version to 3.25 and use `CUDA::nvptxcompiler_static`.
find_library(MLIR_NVPTXCOMPILER_LIB nvptxcompiler_static
find_library(MLIR_NVPTXCOMPILER_LIB_PATH nvptxcompiler_static
PATHS ${CUDAToolkit_LIBRARY_DIR} NO_DEFAULT_PATH)

# Fail if `nvptxcompiler_static` couldn't be found.
if(MLIR_NVPTXCOMPILER_LIB STREQUAL "MLIR_NVPTXCOMPILER_LIB-NOTFOUND")
if(MLIR_NVPTXCOMPILER_LIB_PATH STREQUAL "MLIR_NVPTXCOMPILER_LIB_PATH-NOTFOUND")
message(FATAL_ERROR
"Requested using the `nvptxcompiler` library backend but it couldn't be found.")
endif()

add_library(MLIR_NVPTXCOMPILER_LIB STATIC IMPORTED GLOBAL)
# Downstream projects can modify this path and use it in CMake. For example:
# add_library(MLIR_NVPTXCOMPILER_LIB STATIC IMPORTED GLOBAL)
# set_property(TARGET MLIR_NVPTXCOMPILER_LIB PROPERTY IMPORTED_LOCATION ${...})
# where `...` is to be replaced with the path to the library.
set_property(TARGET MLIR_NVPTXCOMPILER_LIB PROPERTY IMPORTED_LOCATION ${MLIR_NVPTXCOMPILER_LIB_PATH})
# Link against `nvptxcompiler_static`. TODO: use `CUDA::nvptxcompiler_static`.
target_link_libraries(MLIRNVVMTarget PRIVATE ${MLIR_NVPTXCOMPILER_LIB})
target_link_libraries(MLIRNVVMTarget PRIVATE MLIR_NVPTXCOMPILER_LIB)
target_include_directories(obj.MLIRNVVMTarget PUBLIC ${CUDAToolkit_INCLUDE_DIRS})
endif()
else()
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