Building dependency tree... Done g++-4.0 is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. rockj@nereid:~/Desktop/dune/dunelegacy$ sudo scons scons: Reading SConscript files ... scons: done reading SConscript files. scons: Building targets ... -D_REENTRANT -Wall -Werror -O2 -ffast-math -funroll-loops -ggdb -Iinclude -I/usr/include/SDL -c -o src/gui/Label.o src/gui/Label.cpp sh: -_: invalid option Usage: sh [GNU long option] [option] ... sh [GNU long option] [option] script-file ... GNU long options: --debug --debugger --dump-po-strings --dump-strings --help --init-file --login --noediting --noprofile --norc --posix --protected --rcfile --restricted --verbose --version --wordexp Shell options: -irsD or -c command or -O shopt_option (invocation only) -abefhkmnptuvxBCHP or -o option scons: *** [src/gui/Label.o] Error 2 scons: building terminated because of errors. rockj@nereid:~/Desktop/dune/dunelegacy$