INCLUDE environment variable

[Ian Lance Taylor]

Jeffrey Holle <jeffreyholle@bellsouth.net> writes:

> At which release did gcc environment variable usage change from
> INCLUDE to C_INCLUDE_PATH and CPLUS_INCLUDE_PATH?

Sounds like a trick question to me.  gcc has used C_INCLUDE_PATH for a
very long time.  I happened to have the 2.0 sources handy, so I
checked them, and they use CPATH and C_INCLUDE_PATH.  They don't use
INCLUDE.  That is from 1992.

Ian