### Basic CMake Project Setup

Source: https://github.com/jingmatrix/vector/blob/master/zygisk/src/main/cpp/CMakeLists.txt

Sets the minimum CMake version and project name. Configures the C++ standard to C++23.

```cmake
cmake_minimum_required(VERSION 3.10)

project(zygisk)

set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
```

--------------------------------

### Basic Project and Executable/Library Setup

Source: https://github.com/jingmatrix/vector/blob/master/dex2oat/src/main/cpp/CMakeLists.txt

Defines the minimum CMake version, project name, and adds an executable target 'dex2oat' and a shared library target 'oat_hook'.

```cmake
cmake_minimum_required(VERSION 3.10)
project(dex2oat)

add_executable(dex2oat dex2oat.cpp)
add_library(oat_hook SHARED oat_hook.cpp)
```

--------------------------------

### Basic CMake Configuration

Source: https://github.com/jingmatrix/vector/blob/master/daemon/src/main/jni/CMakeLists.txt

Sets the minimum required CMake version and project name. Also sets the C++ standard to C++23.

```cmake
cmake_minimum_required(VERSION 3.10)
project(daemon)

set(CMAKE_CXX_STANDARD 23)
```

--------------------------------

### Creating a Shared Library

Source: https://github.com/jingmatrix/vector/blob/master/daemon/src/main/jni/CMakeLists.txt

Builds a shared library named 'daemon' using the defined source files. This library can be loaded at runtime.

```cmake
add_library(${PROJECT_NAME} SHARED ${SOURCES})
```

--------------------------------

### Defining Project Sources

Source: https://github.com/jingmatrix/vector/blob/master/daemon/src/main/jni/CMakeLists.txt

Lists the source files that will be compiled into the daemon library. Ensure these files exist in the project.

```cmake
set(SOURCES
        dex2oat.cpp
        logcat.cpp
        obfuscation.cpp
        )
```

--------------------------------

### Vector Daemon Directory Structure

Source: https://github.com/jingmatrix/vector/blob/master/daemon/README.md

Overview of the directory structure for the Vector daemon subsystem, detailing the organization of native C++ implementations and Kotlin packages for data, environment, IPC, system, and utilities.

```text
src/main/
├── jni/                      # Native C++ implementations (dex2oat wrapper, logcat parser)
└── kotlin/org/matrix/vector/daemon/
    ├── data/                 # SQLite schema, immutable state cache, and file operations
    ├── env/                  # UNIX domain socket servers and native process monitors
    ├── ipc/                  # AIDL endpoints (Application, Manager, Module, SystemServer)
    ├── system/               # System binder delegates and Notification UI
    ├── utils/                # Context forgery, signature verification, and JNI bridges
    ├── Cli.kt                # Command-line interface definitions
    ├── VectorDaemon.kt       # Main entry point and looper initialization
    └── VectorService.kt      # Primary IDaemonService implementation
```

--------------------------------

### Setting Include Directories

Source: https://github.com/jingmatrix/vector/blob/master/daemon/src/main/jni/CMakeLists.txt

Configures the include paths for the daemon library. 'PRIVATE' ensures these paths are only used for compiling the library itself.

```cmake
target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
```

--------------------------------

### Library and Include Directories

Source: https://github.com/jingmatrix/vector/blob/master/zygisk/src/main/cpp/CMakeLists.txt

Adds a shared library target named 'zygisk' and specifies its source files. Includes public header directories.

```cmake
add_subdirectory(${VECTOR_ROOT}/native native)

add_library(${PROJECT_NAME} SHARED module.cpp ipc_bridge.cpp)
target_include_directories(${PROJECT_NAME} PUBLIC include)
```

--------------------------------

### Linking Libraries

Source: https://github.com/jingmatrix/vector/blob/master/daemon/src/main/jni/CMakeLists.txt

Links the daemon library with other static and system libraries. 'lsplant_static' and 'dex_builder_static' are likely custom static libraries.

```cmake
target_link_libraries(${PROJECT_NAME} PRIVATE lsplant_static dex_builder_static android log)
```

--------------------------------

### Linking Libraries

Source: https://github.com/jingmatrix/vector/blob/master/dex2oat/src/main/cpp/CMakeLists.txt

Links the 'dex2oat' executable and 'oat_hook' library against the 'log' and 'lsplt_static' libraries.

```cmake
target_link_libraries(dex2oat log)
target_link_libraries(oat_hook log lsplt_static)
```

--------------------------------

### External Library and Include Directories

Source: https://github.com/jingmatrix/vector/blob/master/dex2oat/src/main/cpp/CMakeLists.txt

Configures the build to include an external library 'lsplt' and sets public include directories for both the 'oat_hook' library and the 'dex2oat' executable.

```cmake
OPTION(LSPLT_BUILD_SHARED OFF)
add_subdirectory(${VECTOR_ROOT}/external/lsplt/lsplt/src/main/jni external)

target_include_directories(oat_hook PUBLIC include)
target_include_directories(dex2oat PUBLIC include)
```

--------------------------------

### Linking Libraries

Source: https://github.com/jingmatrix/vector/blob/master/zygisk/src/main/cpp/CMakeLists.txt

Links the 'zygisk' library with the 'native' and 'log' libraries.

```cmake
target_link_libraries(${PROJECT_NAME} native log)
```

--------------------------------

### Post-Build Command for Debug Symbols

Source: https://github.com/jingmatrix/vector/blob/master/zygisk/src/main/cpp/CMakeLists.txt

Configures a custom post-build command to handle debug symbols if DEBUG_SYMBOLS_PATH is defined. This includes creating directories, extracting debug symbols, stripping the binary, and linking debug symbols.

```cmake
if (DEFINED DEBUG_SYMBOLS_PATH)
    message(STATUS "Debug symbols will be placed at ${DEBUG_SYMBOLS_PATH}")
    add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
            COMMAND ${CMAKE_COMMAND} -E make_directory ${DEBUG_SYMBOLS_PATH}/${ANDROID_ABI}
            COMMAND ${CMAKE_OBJCOPY} --only-keep-debug $<TARGET_FILE:${PROJECT_NAME}>
            ${DEBUG_SYMBOLS_PATH}/${ANDROID_ABI}/${PROJECT_NAME}.debug
            COMMAND ${CMAKE_STRIP} --strip-all $<TARGET_FILE:${PROJECT_NAME}>
            COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink ${DEBUG_SYMBOLS_PATH}/${ANDROID_ABI}/${PROJECT_NAME}.debug
            $<TARGET_FILE:${PROJECT_NAME}>)
endif()
```

--------------------------------

### Adding External Libraries

Source: https://github.com/jingmatrix/vector/blob/master/daemon/src/main/jni/CMakeLists.txt

Includes external libraries from a specified root directory. This is useful for managing dependencies.

```cmake
add_subdirectory(${VECTOR_ROOT}/external external)
```

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