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CUDA aarch64 fix from German P. Barletta #1142

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Merged
drroe merged 1 commit into from
Jul 25, 2025
Merged

CUDA aarch64 fix from German P. Barletta #1142

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15 changes: 11 additions & 4 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -92,15 +92,22 @@ endif()
# Ensure the flag for PIC is added for NVCC
if (CUDA AND CUDA_FOUND)
if (SHARED)
if(${COMPILER} STREQUAL GNU OR ${COMPILER} STREQUAL CLANG)
# For aarch64, -fPIC (uppercase) is required.
if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
set(CPPTRAJ_NVCC_PIC_FLAG "--compiler-options -fPIC")
message(STATUS "System is aarch64, forcing -fPIC for CUDA.")
else()
set(CPPTRAJ_NVCC_PIC_FLAG "--compiler-options -fpic")
if(${COMPILER} STREQUAL GNU OR ${COMPILER} STREQUAL CLANG)
set(CPPTRAJ_NVCC_PIC_FLAG "--compiler-options -fpic")
else()
set(CPPTRAJ_NVCC_PIC_FLAG "--compiler-options -fPIC")
endif()
endif()
message(STATUS "Set CUDA PIC flag ${CPPTRAJ_NVCC_PIC_FLAG}")

message(STATUS "Set CUDA PIC flag: ${CPPTRAJ_NVCC_PIC_FLAG}")
list(APPEND CUDA_NVCC_FLAGS ${CPPTRAJ_NVCC_PIC_FLAG})
else()
message(STATUS "Not setting CUDA PIC flag")
message(STATUS "Not a SHARED build, not setting CUDA PIC flag.")
endif()
endif()

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