Changes to be committed:
modified: src/version.c
modified: sys/share/cppregex.cpp
modified: sys/share/pmatchregex.c
modified: sys/share/posixregex.c
modified: util/makedefs.c
Some options in 3.6.0 are determined by what you link with.
The choice of regex support is one.
Let #version show that linked option along with the compile-time options.