libstdc++ headers and system headers
Sun Feb 18 06:36:00 GMT 2001

<<A system header, by definition, is one that is searched by the
compiler by default.  You should never have to -I it, and it's always
been the case that -I/usr/include would just break GCC on many
platforms.  include/g++-v3 is no different.

I still can't see anywhere in the documentation where you could learn
that -I/usr/include would break GCC ...

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