FetchContent_Declare( zlib URL https://www.zlib.net/fossils/zlib-1.2.11.tar.gz https://ftp.ignore.pl/starshatter/mirror/zlib-1.2.11.tar.gz URL_HASH SHA1=e6d119755acdf9104d7ba236b1242696940ed6dd PATCH_COMMAND ${CMAKE_COMMAND} -D "PATCH_FILE=${CMAKE_CURRENT_SOURCE_DIR}/1.zconf.patch" -P ${PATCH_SCRIPT} PATCH_COMMAND ${CMAKE_COMMAND} -D "PATCH_FILE=${CMAKE_CURRENT_SOURCE_DIR}/2.includes.patch" -P ${PATCH_SCRIPT} PATCH_COMMAND ${CMAKE_COMMAND} -D "PATCH_FILE=${CMAKE_CURRENT_SOURCE_DIR}/3.aliases.patch" -P ${PATCH_SCRIPT} PATCH_COMMAND ${CMAKE_COMMAND} -D "PATCH_FILE=${CMAKE_CURRENT_SOURCE_DIR}/4.examples.patch" -P ${PATCH_SCRIPT} DOWNLOAD_EXTRACT_TIMESTAMP No)