> OPTS = $(SYSSRC)/mdp/mdp_options Could it be that CFLAGS is changed in the above file? As you see below it is sourced by the c-shell before a recursive make in one of the subdirectories is to be done. > @source $(OPTS); make -if $(QUE)/Makefile all > @source $(OPTS); make -if $(QKER)/Makefile all etc. Karsten