# get no costruct error while build for alljoyn_darwin.xcodeproj

Recently I am doing some AllJoyn development on OS X. When I run build for alljoyn_darwin.xcodeproj from xcodei got an error error: can't exec 'scons' (No such file or directory). I cheked from terminal scons is installed properly.currently I am stuck please tell me the solution. I followed all the steps from build from source