message(STATUS "Using RPC backend")

ggml_add_backend_library(ggml-rpc
                         ggml-rpc.cpp
                         transport.cpp
                        )

if (WIN32)
    target_link_libraries(ggml-rpc PRIVATE ws2_32)
endif()

# RDMA auto-detection (Linux only, requires libibverbs)
if (NOT WIN32 AND NOT APPLE)
    find_library(IBVERBS_LIB ibverbs)
    if (IBVERBS_LIB)
        option(GGML_RPC_RDMA "ggml: enable RDMA transport for RPC" ON)
    else()
        option(GGML_RPC_RDMA "ggml: enable RDMA transport for RPC" OFF)
    endif()
else()
    set(GGML_RPC_RDMA OFF CACHE BOOL "RDMA not available on this platform" FORCE)
endif()

if (GGML_RPC_RDMA)
    if (NOT IBVERBS_LIB)
        find_library(IBVERBS_LIB ibverbs REQUIRED)
    endif()
    target_compile_definitions(ggml-rpc PRIVATE GGML_RPC_RDMA)
    target_link_libraries(ggml-rpc PRIVATE ${IBVERBS_LIB})
    message(STATUS "  RDMA transport enabled (auto-detected)")
else()
    message(STATUS "  RDMA transport disabled")
endif()