cmake_minimum_required(VERSION 3.20)
project(searchi_gemma_worker LANGUAGES C CXX)
if(NOT DEFINED LLAMA_CPP_DIR OR NOT EXISTS "${LLAMA_CPP_DIR}/include/llama.h")
    message(FATAL_ERROR "Supply -DLLAMA_CPP_DIR=<pinned patched llama.cpp b11461 source>")
endif()
set(CMAKE_CXX_STANDARD 17)
if(MSVC)
    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>" CACHE STRING "Standalone worker static MSVC runtime" FORCE)
endif()
set(BUILD_SHARED_LIBS OFF CACHE BOOL "Static local worker runtime" FORCE)
set(GGML_OPENMP OFF CACHE BOOL "Use bounded native llama thread pools without external OpenMP runtime" FORCE)
set(GGML_NATIVE OFF CACHE BOOL "Portable CPU kernels")
# Normal distribution builds include GPU support and CPU fallback. CPU-only
# configuration is explicitly reserved for development/testing in the VM.
set(GGML_CUDA OFF CACHE BOOL "Production CUDA backend")
set(GGML_VULKAN OFF CACHE BOOL "Production Vulkan backend")
set(GGML_METAL OFF CACHE BOOL "Production Metal backend")
set(SEARCHI_ACCELERATION "auto" CACHE STRING "auto; explicit developer overrides: cpu, metal, vulkan, cuda")
if(SEARCHI_ACCELERATION STREQUAL "cpu")
    set(GGML_CUDA OFF CACHE BOOL "CPU test build" FORCE)
    set(GGML_VULKAN OFF CACHE BOOL "CPU test build" FORCE)
    set(GGML_METAL OFF CACHE BOOL "CPU test build" FORCE)
elseif(SEARCHI_ACCELERATION STREQUAL "metal" OR (SEARCHI_ACCELERATION STREQUAL "auto" AND APPLE))
    set(GGML_METAL ON CACHE BOOL "Production Metal backend" FORCE)
elseif(SEARCHI_ACCELERATION STREQUAL "cuda")
    set(GGML_CUDA ON CACHE BOOL "Production CUDA backend" FORCE)
elseif(SEARCHI_ACCELERATION STREQUAL "vulkan")
    set(GGML_VULKAN ON CACHE BOOL "Production Vulkan backend" FORCE)
elseif(SEARCHI_ACCELERATION STREQUAL "auto")
    # A missing build SDK must not silently turn a normal release into a
    # CPU-only artifact. End users need drivers, not this compilation SDK.
    find_package(Vulkan COMPONENTS glslc REQUIRED)
    set(GGML_VULKAN ON CACHE BOOL "Production GPU support with runtime CPU fallback" FORCE)
else()
    message(FATAL_ERROR "Unknown SEARCHI_ACCELERATION=${SEARCHI_ACCELERATION}")
endif()
set(LLAMA_BUILD_COMMON OFF CACHE BOOL "No extra common runtime" FORCE)
set(LLAMA_BUILD_TOOLS OFF CACHE BOOL "No runtime tools" FORCE)
set(LLAMA_BUILD_SERVER OFF CACHE BOOL "No HTTP server" FORCE)
set(LLAMA_BUILD_EXAMPLES OFF CACHE BOOL "No examples" FORCE)
set(LLAMA_BUILD_TESTS OFF CACHE BOOL "No upstream tests in worker build" FORCE)
set(LLAMA_BUILD_MTMD ON CACHE BOOL "Google image/audio projector" FORCE)
set(MTMD_VIDEO OFF CACHE BOOL "Frames decoded by bounded media adapter" FORCE)
set(LLAMA_OPENSSL OFF CACHE BOOL "No network runtime dependencies" FORCE)
add_subdirectory("${LLAMA_CPP_DIR}" llama-build)
add_executable(searchi-gemma-worker worker.cpp)
target_include_directories(searchi-gemma-worker PRIVATE "${LLAMA_CPP_DIR}/vendor")
target_link_libraries(searchi-gemma-worker PRIVATE llama mtmd)
target_compile_definitions(searchi-gemma-worker PRIVATE SEARCHI_LLAMA_TAG="b11461-no-logits-v1")
install(TARGETS searchi-gemma-worker RUNTIME DESTINATION bin)