http://www.berklix.com/~jhs/src/bsd/fixes/freebsd/ports/gen/Mk/bsd.port.mk.PACKAGES-2.REL=8.3-RELEASE.diff

Allow ${PACKAGES} to be a symbolic link to another file system with more space.

*** 8.3-RELEASE/ports/Mk/bsd.port.mk	Sun Oct 28 18:14:00 2012
--- new-generic/ports/Mk/bsd.port.mk	Sun Oct 28 18:18:09 2012
***************
*** 3922,3928 ****
  		fi; \
  	fi
  	@if ${PKG_CMD} -b ${PKGNAME} ${PKGFILE}; then \
! 		if [ -d ${PACKAGES} ]; then \
  			cd ${.CURDIR} && eval ${MAKE} package-links; \
  		fi; \
  	else \
--- 3922,3928 ----
  		fi; \
  	fi
  	@if ${PKG_CMD} -b ${PKGNAME} ${PKGFILE}; then \
! 		if [ -e ${PACKAGES} ]; then \
  			cd ${.CURDIR} && eval ${MAKE} package-links; \
  		fi; \
  	else \
*** 8.2-RELEASE/ports/Mk/bsd.port.mk	Thu May 19 11:39:42 2011
--- new/ports/Mk/bsd.port.mk	Thu May 19 11:41:06 2011
***************
*** 3983,3989 ****
  	fi
  	@__softMAKEFLAGS='${__softMAKEFLAGS:S/'/'\''/g}'; \
  	if ${PKG_CMD} -b ${PKGNAME} ${PKGFILE}; then \
! 		if [ -d ${PACKAGES} ]; then \
  			cd ${.CURDIR} && eval ${MAKE} $${__softMAKEFLAGS} package-links; \
  		fi; \
  	else \
--- 3983,3989 ----
  	fi
  	@__softMAKEFLAGS='${__softMAKEFLAGS:S/'/'\''/g}'; \
  	if ${PKG_CMD} -b ${PKGNAME} ${PKGFILE}; then \
! 		if [ -e ${PACKAGES} ]; then \
  			cd ${.CURDIR} && eval ${MAKE} $${__softMAKEFLAGS} package-links; \
  		fi; \
  	else \