if (USE_SYSTEM_ZLIB) message(STATUS "RPCS3: Using system ZLIB") find_package(ZLIB QUIET REQUIRED) add_library(3rdparty_zlib INTERFACE) target_link_libraries(3rdparty_zlib INTERFACE ZLIB::ZLIB) target_compile_definitions(3rdparty_zlib INTERFACE -DZLIB_CONST=1) else() message(STATUS "RPCS3: Using builtin ZLIB") set(SKIP_INSTALL_ALL ON) add_subdirectory(zlib EXCLUDE_FROM_ALL) add_library(3rdparty_zlib INTERFACE) target_link_libraries(3rdparty_zlib INTERFACE zlibstatic) target_include_directories(3rdparty_zlib INTERFACE zlib ${CMAKE_CURRENT_BINARY_DIR}/zlib) target_compile_definitions(3rdparty_zlib INTERFACE -DZLIB_CONST=1) if(NOT MSVC) set(ZLIB_ROOT ${CMAKE_CURRENT_BINARY_DIR}/zlib PARENT_SCOPE) endif() endif()