Checking 'working-make'... ok.
Checking 'case-sensitive-fs'... ok.
Checking 'working-gcc'... ok.
Checking 'working-g++'... ok.
Checking 'ncurses'... ok.
Checking 'zlib'... ok.
Checking 'bison'... ok.
Checking 'flex'... ok.
Checking 'python'... ok.
Checking 'unzip'... ok.
Checking 'bzip2'... ok.
Checking 'patch'... ok.
Checking 'perl'... ok.
Checking 'wget'... ok.
Checking 'gnutar'... ok.
Checking 'non-root'... ok.
Collecting package info...
make[2] tools/install
make[3] -C tools install
make[4] -C tools/sed prepare
make[4] -C tools/sed compile
make[4] -C tools/sed install
make[4] -C tools/sstrip prepare
make[4] -C tools/sstrip compile
Build failed. Please re-run make with V=99 to see what's going on
make: *** [world] Error 1