Replaced explicit calls to yacc with $(YACC) which is set by the configure script.
Replaced explicit calls to yacc with $(YACC) which is set by the configure script.

kkaempf/sblim-sfcb,buccella/SFCB,mchasal/SFCB,buccella/SFCB,kkaempf/sblim-sfcb,kkaempf/sblim-sfcb,mchasal/SFCB,buccella/SFCB,mchasal/SFCB,buccella/SFCB,kkaempf/sblim-sfcb,mchasal/SFCB,buccella/SFCB,kkaempf/sblim-sfcb