include(FetchContent) FetchContent_Declare(zlib GIT_REPOSITORY "https://github.com/madler/zlib" GIT_TAG "v1.2.11" ) FetchContent_GetProperties(zlib) if (NOT zlib_POPULATED) FetchContent_Populate(zlib) endif() add_subdirectory(${zlib_SOURCE_DIR} ${zlib_BINARY_DIR} EXCLUDE_FROM_ALL) set(ZLIB_LIBRARIES zlibstatic PARENT_SCOPE) set(ZLIB_INCLUDE_DIRS ${zlib_SOURCE_DIR} ${zlib_BINARY_DIR} PARENT_SCOPE)