Update diff, diff3, and sdiff's makefiles to use .PATH: instead of

[unix-history] / gnu / Makefile

#       @(#)Makefile    5.33.1.1 (Berkeley) 5/6/91

SUBDIR= bc cvs diff diff3 gas gawk gcc1 gcc2 gdb grep groff gzip \
       less ld man patch pr rcs sdiff sort tar

.include <bsd.subdir.mk>