Paste: Make error compiling factor in linux

[speedy]$ make 
make `./build-support/factor.sh make-target`
make[1]: Entering directory `/home/.urban/teledroid/factor'
make factor factor-ffi-test CONFIG=vm/Config.linux.x86.32
make[2]: Entering directory `/home/.urban/teledroid/factor'
g++ -c -Wall -O3  -fomit-frame-pointer -export-dynamic -fno-builtin-strlen -fno-builtin-strcat -o vm/os-unix.o vm/os-unix.cpp
In file included from vm/os-unix.cpp:1:
vm/master.hpp:30:43: boost/unordered_map.hpp: No such file or directory
In file included from vm/master.hpp:64,
                 from vm/os-unix.cpp:1:
vm/code_gc.hpp:28: error: type specifier omitted for parameter `boost'
vm/code_gc.hpp:28: error: parse error before `::' token
vm/code_gc.hpp:29: error: type specifier omitted for parameter `boost'
vm/code_gc.hpp:29: error: parse error before `::' token
make[2]: *** [vm/os-unix.o] Error 1
make[2]: Leaving directory `/home/.urban/teledroid/factor'
make[1]: *** [linux-x86-32] Error 2
make[1]: Leaving directory `/home/.urban/teledroid/factor'
make: *** [default] Error 2