[boost] [current_function.hpp] fix for Digital Mars

From: Pavel Vozenilek (pavel_vozenilek_at_[hidden])
Date: 2006-06-22 06:54:06

Digital Mars supports __FUNCTION__,
__func__ and __PRETTY_FUNCTION__.

However the current_function.hpp settings
result in "(unknown)" to be used all the time
(as __STDC_VERSION__ is hardcoded
to 19990L).

The Boost code may be appended with

...
#elif (defined __DMC__)   // since 8.10
#  define BOOST_CURRENT_FUNCTION __PRETTY_FUNCTION__
...

The first release supporting __PRETTY_FUNCTION__ was 8.10,
at some time before 2002.

/Pavel