include(functions/FetchContent_MakeAvailableExcludeFromAll) set(CMAKE_POLICY_DEFAULT_CMP0048 NEW) include(FetchContent) FetchContent_Declare(zlib URL https://www.zlib.net/zlib-1.3.tar.gz https://www.zlib.net/fossils/zlib-1.3.tar.gz https://github.com/madler/zlib/releases/download/v1.3/zlib-1.3.tar.gz URL_HASH MD5=60373b133d630f74f4a1f94c1185a53f ) FetchContent_MakeAvailableExcludeFromAll(zlib) if(DEVILUTIONX_STATIC_ZLIB) add_library(ZLIB::ZLIB ALIAS zlibstatic) target_include_directories(zlibstatic INTERFACE ${zlib_BINARY_DIR} ${zlib_SOURCE_DIR}) else() add_library(ZLIB::ZLIB ALIAS zlib) target_include_directories(zlib INTERFACE ${zlib_BINARY_DIR} ${zlib_SOURCE_DIR}) endif() # 1. Set the variables that are usually set by FindZLIB.cmake. # 2. Add the module that stubs out `find_package(ZLIB ...)` calls. set(ZLIB_FOUND ON PARENT_SCOPE) set(ZLIB_LIBRARY ZLIB::ZLIB PARENT_SCOPE) set(ZLIB_LIBRARIES ZLIB::ZLIB PARENT_SCOPE) set(ZLIB_INCLUDE_DIR ${zlib_SOURCE_DIR} ${zlib_BINARY_DIR} PARENT_SCOPE) set(ZLIB_INCLUDE_DIRS ${zlib_SOURCE_DIR} ${zlib_BINARY_DIR} PARENT_SCOPE) set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_LIST_DIR}/CMake" PARENT_SCOPE)