This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
(2) New variable USE_ZIP -- will change EXTRACT_SUFX to ".zip" and
extract commands/arguments accordingly.
Submitted by: jseger
(3) Use ${GREP} in some places where grep was used.
(4) A little update to the MASTER_SITES_GNU list.
Submitted by: cpiazza@home.net
(5) New target clean-for-cdrom-list and clean-restricted-list -- will
print out commands to delete un-cdromable or unredistributable
files. Save them into a shell script for later use.
(6) Add CXXFLAGS="${CXXFLAGS}" to configure's environment.
Submitted by: reg@shale.csir.co.za
PR: 11353 (part 3/3)
(7) Print out a warning if you try to install without being root.
Abort if ${PREFIX} is not writable.
(8) Add web site to INDEX as tenth field.
Reviewed by: wosch, steve, scrappy
