diff --git a/ld-wrapper.sh b/ld-wrapper.sh
new file mode 100644
index 00000000..df770393
--- /dev/null
+++ b/ld-wrapper.sh
@@ -0,0 +1,281 @@
+#! @shell@
+# This file is copied from nixpkgs with additional handling of `-flavor` prefix.
+# See: https://github.com/NixOS/nixpkgs/blob/fa016524af1414fd5e0d9f3de43b6377486601bf/pkgs/build-support/bintools-wrapper/ld-wrapper.sh
+set -eu -o pipefail +o posix
+shopt -s nullglob
+
+if (( "${NIX_DEBUG:-0}" >= 7 )); then
+    set -x
+fi
+
+flavorParams=()
+if [[ $# -ge 2 && "$1" == -flavor ]]; then
+    flavorParams=( "$1" "$2" )
+    shift 2
+fi
+
+path_backup="$PATH"
+
+# phase separation makes this look useless
+# shellcheck disable=SC2157
+if [ -n "@coreutils_bin@" ]; then
+    PATH="@coreutils_bin@/bin"
+fi
+
+source @out@/nix-support/utils.bash
+
+if [ -z "${NIX_BINTOOLS_WRAPPER_FLAGS_SET_@suffixSalt@:-}" ]; then
+    source @out@/nix-support/add-flags.sh
+fi
+
+
+# Optionally filter out paths not refering to the store.
+expandResponseParams "$@"
+
+# NIX_LINK_TYPE is set if ld has been called through our cc wrapper. We take
+# advantage of this to avoid both recalculating it, and also repeating other
+# processing cc wrapper has already done.
+if [[ -n "${NIX_LINK_TYPE_@suffixSalt@:-}" ]]; then
+    linkType=$NIX_LINK_TYPE_@suffixSalt@
+else
+    linkType=$(checkLinkType "${params[@]}")
+fi
+
+if [[ "${NIX_ENFORCE_PURITY:-}" = 1 && -n "${NIX_STORE:-}"
+        && ( -z "$NIX_IGNORE_LD_THROUGH_GCC_@suffixSalt@" || -z "${NIX_LINK_TYPE_@suffixSalt@:-}" ) ]]; then
+    rest=()
+    nParams=${#params[@]}
+    declare -i n=0
+
+    while (( "$n" < "$nParams" )); do
+        p=${params[n]}
+        p2=${params[n+1]:-} # handle `p` being last one
+        if [ "${p:0:3}" = -L/ ] && badPath "${p:2}"; then
+            skip "${p:2}"
+        elif [ "$p" = -L ] && badPath "$p2"; then
+            n+=1; skip "$p2"
+        elif [ "$p" = -rpath ] && badPath "$p2"; then
+            n+=1; skip "$p2"
+        elif [ "$p" = -dynamic-linker ] && badPath "$p2"; then
+            n+=1; skip "$p2"
+        elif [ "$p" = -syslibroot ] && [ $p2 == // ]; then
+            # When gcc is built on darwin --with-build-sysroot=/
+            # produces '-syslibroot //' linker flag. It's a no-op,
+            # which does not introduce impurities.
+            n+=1; skip "$p2"
+        elif [ "${p:0:10}" = /LIBPATH:/ ] && badPath "${p:9}"; then
+            reject "${p:9}"
+        # We need to not match LINK.EXE-style flags like
+        # /NOLOGO or /LIBPATH:/nix/store/foo
+        elif [[ $p =~ ^/[^:]*/ ]] && badPath "$p"; then
+            reject "$p"
+        elif [ "${p:0:9}" = --sysroot ]; then
+            # Our ld is not built with sysroot support (Can we fix that?)
+            :
+        else
+            rest+=("$p")
+        fi
+        n+=1
+    done
+    # Old bash empty array hack
+    params=(${rest+"${rest[@]}"})
+fi
+
+
+source @out@/nix-support/add-hardening.sh
+
+extraAfter=()
+extraBefore=("${flavorParams[@]}" ${hardeningLDFlags[@]+"${hardeningLDFlags[@]}"})
+
+if [ -z "${NIX_LINK_TYPE_@suffixSalt@:-}" ]; then
+    extraAfter+=($(filterRpathFlags "$linkType" $NIX_LDFLAGS_@suffixSalt@))
+    extraBefore+=($(filterRpathFlags "$linkType" $NIX_LDFLAGS_BEFORE_@suffixSalt@))
+
+    # By adding dynamic linker to extraBefore we allow the users set their
+    # own dynamic linker as NIX_LD_FLAGS will override earlier set flags
+    if [[ "$linkType" == dynamic && -n "$NIX_DYNAMIC_LINKER_@suffixSalt@" ]]; then
+        extraBefore+=("-dynamic-linker" "$NIX_DYNAMIC_LINKER_@suffixSalt@")
+    fi
+fi
+
+extraAfter+=($(filterRpathFlags "$linkType" $NIX_LDFLAGS_AFTER_@suffixSalt@))
+
+# These flags *must not* be pulled up to -Wl, flags, so they can't go in
+# add-flags.sh. They must always be set, so must not be disabled by
+# NIX_LDFLAGS_SET.
+if [ -e @out@/nix-support/add-local-ldflags-before.sh ]; then
+    source @out@/nix-support/add-local-ldflags-before.sh
+fi
+
+
+# Three tasks:
+#
+#   1. Find all -L... switches for rpath
+#
+#   2. Find relocatable flag for build id.
+#
+#   3. Choose 32-bit dynamic linker if needed
+declare -a libDirs
+declare -A libs
+declare -i relocatable=0 link32=0
+
+linkerOutput="a.out"
+
+if
+    [ "$NIX_DONT_SET_RPATH_@suffixSalt@" != 1 ] \
+        || [ "$NIX_SET_BUILD_ID_@suffixSalt@" = 1 ] \
+        || [ -e @out@/nix-support/dynamic-linker-m32 ]
+then
+    prev=
+    # Old bash thinks empty arrays are undefined, ugh.
+    for p in \
+        ${extraBefore+"${extraBefore[@]}"} \
+        ${params+"${params[@]}"} \
+        ${extraAfter+"${extraAfter[@]}"}
+    do
+        case "$prev" in
+            -L)
+                libDirs+=("$p")
+                ;;
+            -l)
+                libs["lib${p}.so"]=1
+                ;;
+            -m)
+                # Presumably only the last `-m` flag has any effect.
+                case "$p" in
+                    elf_i386) link32=1;;
+                    *)        link32=0;;
+                esac
+                ;;
+            -dynamic-linker | -plugin)
+                # Ignore this argument, or it will match *.so and be added to rpath.
+                ;;
+            *)
+                case "$p" in
+                    -L/*)
+                        libDirs+=("${p:2}")
+                        ;;
+                    -l?*)
+                        libs["lib${p:2}.so"]=1
+                        ;;
+                    "${NIX_STORE:-}"/*.so | "${NIX_STORE:-}"/*.so.*)
+                        # This is a direct reference to a shared library.
+                        libDirs+=("${p%/*}")
+                        libs["${p##*/}"]=1
+                        ;;
+                    -r | --relocatable | -i)
+                        relocatable=1
+                esac
+                ;;
+        esac
+        prev="$p"
+    done
+fi
+
+# Determine linkerOutput
+prev=
+for p in \
+    ${extraBefore+"${extraBefore[@]}"} \
+    ${params+"${params[@]}"} \
+    ${extraAfter+"${extraAfter[@]}"}
+do
+    case "$prev" in
+        -o)
+            # Informational for post-link-hook
+            linkerOutput="$p"
+            ;;
+        *)
+            ;;
+    esac
+    prev="$p"
+done
+
+if [[ "$link32" == "1" && "$linkType" == dynamic && -e "@out@/nix-support/dynamic-linker-m32" ]]; then
+    # We have an alternate 32-bit linker and we're producing a 32-bit ELF, let's
+    # use it.
+    extraAfter+=(
+        '-dynamic-linker'
+        "$(< @out@/nix-support/dynamic-linker-m32)"
+    )
+fi
+
+# Add all used dynamic libraries to the rpath.
+if [[ "$NIX_DONT_SET_RPATH_@suffixSalt@" != 1 && "$linkType" != static-pie ]]; then
+    # For each directory in the library search path (-L...),
+    # see if it contains a dynamic library used by a -l... flag.  If
+    # so, add the directory to the rpath.
+    # It's important to add the rpath in the order of -L..., so
+    # the link time chosen objects will be those of runtime linking.
+    declare -A rpaths
+    for dir in ${libDirs+"${libDirs[@]}"}; do
+        if [[ "$dir" =~ [/.][/.] ]] && dir2=$(readlink -f "$dir"); then
+            dir="$dir2"
+        fi
+        if [ -n "${rpaths[$dir]:-}" ] || [[ "$dir" != "${NIX_STORE:-}"/* ]]; then
+            # If the path is not in the store, don't add it to the rpath.
+            # This typically happens for libraries in /tmp that are later
+            # copied to $out/lib.  If not, we're screwed.
+            continue
+        fi
+        for path in "$dir"/*; do
+            file="${path##*/}"
+            if [ "${libs[$file]:-}" ]; then
+                # This library may have been provided by a previous directory,
+                # but if that library file is inside an output of the current
+                # derivation, it can be deleted after this compilation and
+                # should be found in a later directory, so we add all
+                # directories that contain any of the libraries to rpath.
+                rpaths["$dir"]=1
+                extraAfter+=(-rpath "$dir")
+                break
+            fi
+        done
+    done
+
+fi
+
+# This is outside the DONT_SET_RPATH branch because it's more targeted and we
+# usually want it (on Darwin) even if DONT_SET_RPATH is set.
+if [ -n "${NIX_COREFOUNDATION_RPATH:-}" ]; then
+  extraAfter+=(-rpath $NIX_COREFOUNDATION_RPATH)
+fi
+
+# Only add --build-id if this is a final link. FIXME: should build gcc
+# with --enable-linker-build-id instead?
+#
+# Note: `lld` interprets `--build-id` to mean `--build-id=fast`; GNU ld defaults
+# to SHA1.
+if [ "$NIX_SET_BUILD_ID_@suffixSalt@" = 1 ] && ! (( "$relocatable" )); then
+    extraAfter+=(--build-id="${NIX_BUILD_ID_STYLE:-sha1}")
+fi
+
+
+# Optionally print debug info.
+if (( "${NIX_DEBUG:-0}" >= 1 )); then
+    # Old bash workaround, see above.
+    echo "extra flags before to @prog@:" >&2
+    printf "  %q\n" ${extraBefore+"${extraBefore[@]}"}  >&2
+    echo "original flags to @prog@:" >&2
+    printf "  %q\n" ${params+"${params[@]}"} >&2
+    echo "extra flags after to @prog@:" >&2
+    printf "  %q\n" ${extraAfter+"${extraAfter[@]}"} >&2
+fi
+
+PATH="$path_backup"
+# Old bash workaround, see above.
+
+if (( "${NIX_LD_USE_RESPONSE_FILE:-@use_response_file_by_default@}" >= 1 )); then
+    @prog@ @<(printf "%q\n" \
+        ${extraBefore+"${extraBefore[@]}"} \
+        ${params+"${params[@]}"} \
+        ${extraAfter+"${extraAfter[@]}"})
+else
+    @prog@ \
+        ${extraBefore+"${extraBefore[@]}"} \
+        ${params+"${params[@]}"} \
+        ${extraAfter+"${extraAfter[@]}"}
+fi
+
+if [ -e "@out@/nix-support/post-link-hook" ]; then
+    source @out@/nix-support/post-link-hook
+fi
diff --git a/mk-aggregated.nix b/mk-aggregated.nix
index d2861957..c8d8cc41 100644
--- a/mk-aggregated.nix
+++ b/mk-aggregated.nix
@@ -84,7 +84,7 @@ symlinkJoin {
     fi
 
     # symlinkJoin doesn't automatically handle it. Thus do it manually.
-    mkdir $out/nix-support
+    mkdir -p $out/nix-support
     echo "$depsHostHostPropagated " >$out/nix-support/propagated-host-host-deps
     [[ -z "$propagatedBuildInputs" ]] || echo "$propagatedBuildInputs " >$out/nix-support/propagated-build-inputs
     [[ -z "$depsTargetTargetPropagated" ]] || echo "$depsTargetTargetPropagated " >$out/nix-support/propagated-target-target-deps
diff --git a/mk-component-set.nix b/mk-component-set.nix
index 74a7a497..386a4f1c 100644
--- a/mk-component-set.nix
+++ b/mk-component-set.nix
@@ -1,5 +1,7 @@
 # Define component derivations and special treatments.
 { lib, stdenv, stdenvNoCC, gnutar, autoPatchelfHook, bintools, zlib, gccForLibs
+# The path to nixpkgs root.
+, path
 , toRustTarget, removeNulls
 }:
 # Release version of the whole set.
@@ -105,8 +107,44 @@ let
         for f in $out/bin/*; do
           install_name_tool -add_rpath "${self.rustc}/lib" "$f" || true
         done
+      ''
+      # Wrap the shipped `rust-lld` (lld), which is used by default on some targets.
+      # Unfortunately there is no hook to conveniently wrap CC tools inside
+      # derivation and `wrapBintools` is designed for wrapping a standalone
+      # bintools derivation. We hereby copy minimal of their implementation.
+      # The `wrap()` is from:
+      # https://github.com/NixOS/nixpkgs/blob/bfb7a882678e518398ce9a31a881538679f6f092/pkgs/build-support/bintools-wrapper/default.nix#L178
+      + optionalString (pname == "rustc") ''
+        wrap() {
+          local dst="$1"
+          local wrapper="$2"
+          export prog="$3"
+          export use_response_file_by_default=0
+          substituteAll "$wrapper" "$dst"
+          chmod +x "$dst"
+        }
+
+        dsts=( "$out"/lib/rustlib/*/bin/rust-lld )
+        if [[ ''${#dsts} -ne 0 ]]; then
+          ls -lah $out
+          mkdir -p $out/nix-support
+          substituteAll ${path + "/pkgs/build-support/wrapper-common/utils.bash"} $out/nix-support/utils.bash
+          substituteAll ${path + "/pkgs/build-support/bintools-wrapper/add-flags.sh"} $out/nix-support/add-flags.sh
+          substituteAll ${path + "/pkgs/build-support/bintools-wrapper/add-hardening.sh"} $out/nix-support/add-hardening.sh
+
+          for dst in "''${dsts[@]}"; do
+            unwrapped="$(dirname "$dst")/.rust-lld-unwrapped"
+            mv "$dst" "$unwrapped"
+            wrap "$dst" ${./ld-wrapper.sh} "$unwrapped"
+          done
+        fi
       '';
 
+      env = lib.optionalAttrs (pname == "rustc") {
+        inherit (stdenv.cc.bintools) expandResponseParams shell suffixSalt wrapperName coreutils_bin;
+        hardening_unsupported_flags = "";
+      };
+
       dontStrip = true;
     };