find_path(ZSTD_INCLUDE_DIR zstd.h) find_library(ZSTD_LIBRARY NAMES zstd) if (ZSTD_INCLUDE_DIR AND ZSTD_LIBRARY) set(ZSTD_FOUND TRUE) message(STATUS "Found Zstd library: ${ZSTD_LIBRARY}") else () message(STATUS "No Zstd library found. Using internal sources.") endif ()