gcc tzcode on Tru64: No such file or directory

/home/geneve/freygagne/OLSON/tzcode2001a> make all gcc -DTZDIR=\"/usr/local/etc/zoneinfo\" -c -o zic.o zic.c as0: No such file or directory make: *** [zic.o] Error 1 do you know the nature of this trouble ? By advance thanks.