id summary reporter owner description type status milestone component version severity resolution keywords cc 985 Free features don't work when building boost Yuval Ronen Vladimir Prus "I'm using 'bjam --toolset=msvc-8.0 --without-python cxxflags=/wd4251 stage' to compile Boost, and get the following error: D:/Projects/Boost/boost_1_34_0/tools/build/v2/build\property.jam:282: in validate1 from module property error: Invalid property '': No value specified for feature 'cxxflags'. D:/Projects/Boost/boost_1_34_0/tools/build/v2/build\property.jam:290: in property.validate from module property D:/Projects/Boost/boost_1_34_0/tools/build/v2/build\build-request.jam:185: in convert-command-line-element from module build-request D:/Projects/Boost/boost_1_34_0/tools/build/v2/build\build-request.jam:143: in build-request.from-command-line from module build-request D:/Projects/Boost/boost_1_34_0/tools/build/v2\build-system.jam:265: in load from module build-system D:\Projects\Boost\boost_1_34_0\tools\build\v2/kernel\modules.jam:261: in import from module modules D:\Projects\Boost\boost_1_34_0\tools\build\v2/kernel/bootstrap.jam:132: in boost-build from module D:\Projects\Boost\boost_1_34_0\boost-build.jam:9: in module scope from module I then changed the '/wd4251' to '-wd4251' and then I got no errors, but the warning was not disabled. " Bugs closed build Boost 1.34.0 Problem fixed