DEVEL15-rx-make-rxdebug-optional-20090113

DEVEL15-rx-make-rxdebug-optional-20090113

LICENSE BSD

Permit the rx library to be built without the RXDEBUG preprocessor
definition.  When RXDEBUG is not defined all of the debugging functions
either become stubs or log a message indicating that the library was
built without RXDEBUG so that there will be no surprises.  There
are no changes to the export list.  By default RXDEBUG is defined.

Eventually the definition of RXDEBUG can become a configuration option
to the build system.

(cherry picked from commit f1a13e15625afa324ffc6614eea432dcc89bf768)