find_package(PkgConfig) if (PKG_CONFIG_FOUND) pkg_check_modules(SWScale libswscale) endif() find_path(SWScale_INCLUDE_DIR libswscale/swscale.h PATHS ${SWScale_INCLUDE_DIRS}) find_library(SWScale_LIBRARY swscale PATHS ${SWScale_LIBRARY_DIRS}) FIND_PACKAGE_HANDLE_STANDARD_ARGS(SWScale DEFAULT_MSG SWScale_INCLUDE_DIR SWScale_LIBRARY) mark_as_advanced(SWScale_INCLUDE_DIR SWScale_LIBRARY)