Move CONFIGDIR to makefiles to make it easier to install.
Fix help.c so it compiles. Help defines need to be moved out of cnames.h.
Get configure --config-dir dir working again.
Remove the WANT_CPP code.
Cleanup configure.
FreeBSD does not support install -D.
FreeBSD does not support sed -i.
config.h does not need a copyright.
Tighten up the ifs.