{ stdenv, rustc }: stdenv.mkDerivation { name = "rust-riscv32i-crates"; src = rustc.src; phases = [ "unpackPhase" "buildPhase" ]; buildPhase = '' destdir=$out/lib/rustlib/riscv32imac-unknown-none-elf/lib/ rustc="${rustc}/bin/rustc --out-dir ''${destdir} -L ''${destdir} --target riscv32i-unknown-none-elf -g -C opt-level=s --crate-type rlib" mkdir -p ''${destdir} export RUSTC_BOOTSTRAP=1 ''${rustc} --crate-name core src/libcore/lib.rs ''${rustc} --crate-name alloc src/liballoc/lib.rs ''; # ''${rustc} --crate-name compiler_builtins src/libcompiler_builtins/src/lib.rs --cfg 'feature="compiler-builtins"' --cfg 'feature="mem"' # ''${rustc} --crate-name libc ${./libc_mini.rs} # ''${rustc} --crate-name unwind src/libunwind/lib.rs # ''${rustc} --crate-name std src/libstd/lib.rs # ''${rustc} -Cpanic=abort --crate-name panic_abort src/libpanic_abort/lib.rs # ''${rustc} -Cpanic=unwind --crate-name panic_unwind src/libpanic_unwind/lib.rs --cfg llvm_libunwind }