Fatal error in /usr/local/bin/pdp11-asm - make: *** [Makefile:68: nullsys.o] Error 8

[calmsacibis995]

When I try to build the libc, this error occurres:
Fatal error in /usr/local/bin/pdp11-asm
make: *** [Makefile:68: nullsys.o] Error 8
Is there any way to fix this?