search for: zlib_source

...b -LDebug64 -lRcpp -lR -lboost_serialization-mgw46-mt-d-1_50 -lboost_system-mgw46-mt-d-1_50 -Wl,--out-implib="Debug64/libTester.a" -m64 And for boost: b2.exe --prefix=c:\Sys\boost\MinGW64\boost_1_50_0 toolset=gcc address-model=64 link=static,shared -s BZIP2_SOURCE=C:\Sys\bzip2-1.0.6 -s ZLIB_SOURCE=C:\Sys\zlib-1.2.7 install Also note that this works fine on linux (Ubuntu). I have been struggling to get past this for several weeks now... any help would be greatly appreciated. Thanks, Florian