Собственно, я сделал всё как сказано тут и тут. После
$ repo sync
$ make
host SharedLib: libneo_util (out/host/linux-x86/obj/lib/libneo_util.so)
/usr/bin/ld: skipping incompatible /usr/lib/gcc/i486-linux-gnu/4.4.3/libstdc++.so when searching for -lstdc++
/usr/bin/ld: skipping incompatible /usr/lib/gcc/i486-linux-gnu/4.4.3/libstdc++.a when searching for -lstdc++
/usr/bin/ld: skipping incompatible /usr/lib/gcc/i486-linux-gnu/4.4.3/libstdc++.so when searching for -lstdc++
/usr/bin/ld: skipping incompatible /usr/lib/gcc/i486-linux-gnu/4.4.3/libstdc++.a when searching for -lstdc++
/usr/bin/ld: cannot find -lstdc++
collect2: ld returned 1 exit status
make: *** [out/host/linux-x86/obj/lib/libneo_util.so] Ошибка 1
$ make clean
$ make