The c++0x/11x standard of the base compiler has been crippled due to the lack of C99 support in DragonFly, but the recently libm improvements have enabled c++11 standard support.
692addf gcc47 libstdc++: Enable c++11 support
gnu/lib/gcc47/libstdc++/config.h | 40 +++++++++++++++++++-------------------
1 file changed, 20 insertions(+), 20 deletions(-)
Upstream: gitweb.dragonflybsd.org