Hi, RC_1_34_0 fails to build on Solaris 10 using Sun Studio 11 as the toolset. OS details: SunOS 5.10 sun4u sparc SUNW,Sun-Fire-280R Compiler Details: CC: Sun C++ 5.8 Patch 121017-08 2006/12/06 Following flags which are required for successful build using Sun Studio 11. "-library=stlport4 -features=tmplife -features=tmplrefstatic" are missing from the command line. Actual command line: "CC" +d -g -mt -DBOOST_ALL_DYN_LINK=1 -DBOOST_ALL_NO_LIB=1 -I"." -c -o "bin.v2/libs/wave/build/sun/debug/threading-multi/ instantiate_cpp_exprgrammar.o" "libs/wave/src/instantiate_cpp_exprgrammar.cpp" -- regards, Prashant Thakre