astsa implements a small subset of the ast library using X/Open interfaces.
To get better performance and functionality download and install the
ast-base package from

	http://www.research.att.com/sw/download/

astsa.omk is an old make makefile that builds the headers and objects
and defines these variables for use in other makefiles

	ASTSA_GEN	point -I to these
	ASTSA_HDRS	point -I to these
	AST_OBJS	link against these

The astsa files may be combined in a single directory with other ast
standalone packages.
