Link libc and libm
Link libc and libm

superriva/libc,anatol/libc,mneumann/libc,mneumann/libc,rust-lang-nursery/libc,anatol/libc,rust-lang/libc,philippkeller/libc,rust-lang-nursery/libc,philippkeller/libc,rust-lang-nursery/libc,philippkeller/libc,cactorium/libc,superriva/libc,rust-lang/libc,rust-lang/libc,anatol/libc,mneumann/libc,cactorium/libc,cactorium/libc,superriva/libc