Instead:
1. Package makefiles including their own options.mk
2. Packages say "SUBST_CLASSES+=djberrno" to get the hack, if needed
3. Packages adjust SUBST_FILES.djberrno, if needed
Should fix bulk build failures due to multiple inclusions of options.mk
and/or incorrect definitions of DJB_ERRNO_HACK.
Approved during the freeze by wiz@.
UNIX services. daemontools-encore is derived from the public-domain
release of daemontools by D. J. Bernstein, adding numerous enhancements
while maintaining backwards compatibility.
