add-manifest function, jars addprefix function addsuffix function all target ALL_TREES variable Ant (Java) build files mkdir program portability tasks any character rule append operator (+=) ar command, archive libraries archive libraries archive members , automatic variables and arguments, patterns as built-in functions arithmetic, increments arrays, files array and command line limits assert function automake tool automatic variables 2nd archive members empty targets and prerequisites targets and VPATH and vpath and awk command, phony targets and