Hello, I'm having some trouble building the Boost libraries on Windows. - My OS is Windows Vista SP2 - My compiler in MinGW g++ 4.4. The folder containing the g++ executable is in my PATH environment variable. This is what I've done: - Downloaded the latest version (1.41) of the Boost libraries from www.boost.org and extracted it to C:\Dev\Libraries\boost (so e.g. C:\Dev\Libraries\boost\libs is a subfolder) - Downloaded the latest version (3.1.17) of Boost Jam from http://sourceforge.net/projects/boost/files/boost-jam and extracted bjam.exe into C:\Dev\Libraries\boost - Opened up a command prompt, cd'd into C:\Dev\Libraries\boost - Ran the command "bjam --with-filesystem variant=release link=static threading=single toolset=gcc" The output, up to the first error, is the following: == START BJAM OUTPUT == WARNING: No python installation configured and autoconfiguration failed. See http://www.boost.org/libs/python/doc/building.html for configuration instructions or pass --without-python to suppress this message and silently skip all Boost.Python targets Building the Boost C++ Libraries. After the build, the headers will be located at C:\Dev\Libraries\boost The libraries will be located at C:\Dev\Libraries\boost\stage\lib Use 'bjam install --prefix=<path>' if you wish to install headers and libraries to a different location and remove the source tree. ...patience... ...found 441 targets... ...updating 27 targets... common.mkdir stage common.mkdir stage\lib common.mkdir bin.v2 common.mkdir bin.v2\libs common.mkdir bin.v2\libs\system common.mkdir bin.v2\libs\system\build common.mkdir bin.v2\libs\system\build\gcc-mingw-4.4.0 common.mkdir bin.v2\libs\system\build\gcc-mingw-4.4.0\release common.mkdir bin.v2\libs\system\build\gcc-mingw-4.4.0\release\link-static gcc.compile.c++ bin.v2\libs\system\build\gcc-mingw-4.4.0\release\link-static\error_code.o g++: libs\system\src\error_code.cpp: No such file or directory g++: no input files "g++" -ftemplate-depth-128 -O3 -finline-functions -Wno-inline -Wall -DBOOST_ALL_NO_LIB=1 -DBOO ST_SYSTEM_STATIC_LINK=1 -DNDEBUG -I"." -c -o "bin.v2\libs\system\build\gcc-mingw-4.4.0\release\link -static\error_code.o" "libs\system\src\error_code.cpp" ...failed gcc.compile.c++ bin.v2\libs\system\build\gcc-mingw-4.4.0\release\link-static\error_code.o. .. ...skipped <pbin.v2\libs\system\build\gcc-mingw-4.4.0\release\link-static>libboost_system-mgw44-1_41 .lib(clean) for lack of <pbin.v2\libs\system\build\gcc-mingw-4.4.0\release\link-static>error_code.o. .. ...skipped <pbin.v2\libs\system\build\gcc-mingw-4.4.0\release\link-static>libboost_system-mgw44-1_41 .lib for lack of <pbin.v2\libs\system\build\gcc-mingw-4.4.0\release\link-static>error_code.o... ...skipped <pstage\lib>libboost_system-mgw44-1_41.lib for lack of <pbin.v2\libs\system\build\gcc-min gw-4.4.0\release\link-static>libboost_system-mgw44-1_41.lib... [more similar errors] == END BJAM OUTPUT == So for some reason, it cannot find libs\system\src\error_code.cpp, which is actually located at C:\Dev\Libraries\boost\libs\system\src\error_code.cpp. Am I supposed to somehow specify the exact path where it should be looking? I tried adding the option --build-dir=C:\Dev\Libraries\boost, but I still get the same error. One suspicious thing that I noticed is that without the --build-dir option, the bin.v2 folder that is created is C:\Dev\bin.v2, as opposed to C:\Dev\Libraries\boost\bin.v2 or something like that. Not sure if this is related to my problem or not. What am I doing wrong? Thanks, Nate. _________________________________________________________________ Windows Live: Keep your friends up to date with what you do online. http://go.microsoft.com/?linkid=9691815