Yes, this is the error message that I am getting: ==== Building pyrogenesis ==== main.cpp Linking pyrogenesis /usr/lib/gcc/i486-slackware-linux/4.4.3/../../../../i486-slackware-linux/bin/ld: cannot find -lboost_signals-mt collect2: ld returned 1 exit status make[1]: *** [../../../binaries/system/pyrogenesis_dbg] Error 1 make: *** [pyrogenesis] Error 2 How can I fix this?