I'm trying to test the new Oracle-solaris compiler but I'm running into Boost.Build issues. First off what looks like a bug, if I build with with b2 stdlib=native Then I *still* get stlport You can easily reproduce this on another platform with: cd libs/config/test ../../../b2 config_info toolset=sun stdlib=native -n -d2 which yields: sun.compile.c++ ..\..\..\bin.v2\libs\config\test\config_info.test\sun\debug\stdlib-sun-stlport\config_info.obj "CC" +d -library=stlport4 -g -erroff=%none -KPIC -DBOOST_ALL_NO_LIB=1 -I"..\..\.." -c -o "..\..\..\bin.v2\libs\config\test\config_info.test\sun\debug\stdlib-sun-stlport\config_info.obj" "config_info.cpp" Now for the outdated part: the oracle compiler (12.4) now supports three std lib options: 1) The default - I can't make this work in C++03 mode, but it's the only option that does work in C++11 mode (where it appears to be a recent GNU libstdc++ version). 2) STLPort - only works in C++03 mode. 3) Apache - only works in C++03 mode. So ideally we would probably have: stdlib=stlport, sets -library=stlport4 for both compile and link. stdlib=apache, sets -library=stdcxx4 for both compile and link stdlib=native, sets -std=c++11 for both compile and link. And yes I realise we're mixing up two different features here, but as they can't be mixed and matched anyway it at least gets things working. I guess the toolset should be renamed either "oracle" or "solaris" as well? If anyone has any ideas how to patch the toolset, I have a working virtual machine to test on (or you can do as I did and download a pre-build VirtualBox machine). Thanks in advance, John.