CMakeLists.txt

cmake_minimum_required(VERSION 3.10)
project(build_llama)

# 2. 开启 LTO (Link Time Optimization)，这是瘦身大杀器
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -flto -O3")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto -O3")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} -flto")

# 3. 开启符号隐藏 (只导出 JNI 接口)
set(CMAKE_C_VISIBILITY_PRESET hidden)
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
set(CMAKE_VISIBILITY_INLINES_HIDDEN ON)

# 4. 开启 GC Sections (移除未使用的代码段)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -ffunction-sections -fdata-sections")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -ffunction-sections -fdata-sections")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} -Wl,--gc-sections")


set(LLAMA_SRC "${CMAKE_CURRENT_SOURCE_DIR}/llama.cpp")
set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
set(LLAMA_BUILD_COMMON ON CACHE BOOL "" FORCE)
set(LLAMA_OPENSSL OFF CACHE BOOL "" FORCE)
set(GGML_NATIVE OFF CACHE BOOL "" FORCE)
set(GGML_BACKEND_DL OFF CACHE BOOL "" FORCE)
set(GGML_CPU_ALL_VARIANTS OFF CACHE BOOL "" FORCE)
set(GGML_LLAMAFILE OFF CACHE BOOL "" FORCE)
set(GGML_OPENMP OFF CACHE BOOL "" FORCE)


add_subdirectory(${LLAMA_SRC} build-llama)

if (NOT TARGET common AND NOT TARGET llama-common AND NOT TARGET llama_common)
    message(WARNING "强行加载 common 静态库...")
    add_subdirectory(${LLAMA_SRC}/common build-common)
endif ()

add_library(${CMAKE_PROJECT_NAME} SHARED library.cpp)

target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE
        ${LLAMA_SRC}
        ${LLAMA_SRC}/common
        ${LLAMA_SRC}/include
        ${LLAMA_SRC}/ggml/include
        ${LLAMA_SRC}/ggml/src
        ${LLAMA_SRC}/vendor)

set(COMMON_TARGET_NAME common)

if (TARGET llama-common)
    set(COMMON_TARGET_NAME llama-common)
elseif (TARGET llama_common)
    set(COMMON_TARGET_NAME llama_common)
endif ()

target_link_libraries(${CMAKE_PROJECT_NAME}
        llama
        ${COMMON_TARGET_NAME}
        android
        log)