C++ cannot be built on NO_CXX world?

[Yuriy Tsibizov]

Are there any ways to build "full" world (with C++) on system without
C++ (built with NO_CXX)?

It seems that C++ compiler depends on gperf, that is written in C++ itself
and cannot be built during bootstrap-tools step. I worked around by
copying gperf from another FreeBSD system and adding -DNO_CXX to BMAKE in
Makefile.inc1.

Is it possible to remove gperf from bootstrap-tools and use prebuilt
cfns.h to build cc1plus in cross-tools?

Yuriy.