Hello,
Compiling boost mpi library uses mpic++ to get the compile flags to pass to cl.exe and link libs to pass to the linker. In my case: >>> mpic++ -showme:compile /I"C:\Program Files\openmpi\bin/../include" /TP /EHsc /MD >>> mpic++ -showme:link /link /LIBPATH:"C:\Program Files\openmpi\bin/../lib" libmpi_cxx.lib libmpi.lib libopen-pal.lib libopen-rte.lib advapi32.lib Ws2_32.lib shlwapi.lib To choose Release build or Debug build, is it possible to use mpic++-wrapper-data.txt to specify both options? Release /MD libmpi_cxx.lib libmpi.lib libopen-pal.lib libopen-rte.lib advapi32.lib Ws2_32.lib shlwapi.lib Debug /MDd libmpi_cxxd.lib libmpid.lib libopen-pald.lib libopen-rted.lib advapi32.lib Ws2_32.lib shlwapi.lib is there a debug version of "advapi32.lib Ws2_32.lib shlwapi.lib" For now, I will just override that file for Release, build boost mpi, override for Debug, build for Debug. thanks, MM