cmake_minimum_required(VERSION 3.6)

project(GAME)

if(POLICY CMP0079)
    cmake_policy(SET CMP0079 NEW)
endif()

# Копируем pnglibconf.h.prebuilt
execute_process(
    COMMAND ${CMAKE_COMMAND} -E copy
        ${CMAKE_CURRENT_SOURCE_DIR}/libpng/scripts/pnglibconf.h.prebuilt
        ${CMAKE_CURRENT_SOURCE_DIR}/libpng/pnglibconf.h
)

# Сначала zlib
add_subdirectory(zlib)

# ВАЖНО: Установите опции ДО add_subdirectory(libpng)
# Libpng создает ДВЕ цели: png_shared (shared) и png_static (static)
# Мы хотим статическую библиотеку для Android
set(PNG_STATIC ON CACHE BOOL "Build static library" FORCE)
set(PNG_SHARED OFF CACHE BOOL "Don't build shared library" FORCE)
set(PNG_TESTS OFF CACHE BOOL "Disable tests" FORCE)
set(PNG_TOOLS OFF CACHE BOOL "Disable tools" FORCE)
set(PNG_EXECUTABLES OFF CACHE BOOL "Disable executables" FORCE)
set(PNG_DEBUG OFF CACHE BOOL "Disable debug" FORCE)
set(SKIP_INSTALL_ALL ON CACHE BOOL "Skip installation" FORCE)

# Для Android отключаем оптимизации
set(PNG_HARDWARE_OPTIMIZATIONS OFF CACHE BOOL "Disable hardware optimizations" FORCE)
set(PNG_ARM_NEON "off" CACHE STRING "Disable ARM NEON" FORCE)

# Добавляем libpng
add_subdirectory(libpng)

# Затем SDL
add_subdirectory(SDL)

# И ваш код
add_subdirectory(src)