heirloom-devtools

OpenSolaris yacc, lex, m4, make, and SCCS

The Heirloom Development Tools package provides yacc, lex, m4, make, and SCCS as portable derivatives of the utilities released by Sun as part of OpenSolaris. The OpenSolaris utilities were in turn derived from the original Unix versions, and are assumed be conforming implementations of the POSIX standard.