dotnetCorePackages.patchNupkgs: explicitly reference patchelf

pkgs/development/compilers/dotnet/patch-nupkgs.nix

@@ -7,6 +7,7 @@
 , libuuid
 , openssl
 , lttng-ust_2_12
+, patchelf
 , writeShellScriptBin
 }:
 
@@ -43,23 +44,23 @@ in writeShellScriptBin "patch-nupkgs" (''
     find "$x" -type f -print0 | while IFS= read -rd "" p; do
       if [[ "$p" != *.nix-patched ]] \
         && isELF "$p" \
-        && patchelf --print-interpreter "$p" &>/dev/null; then
+        && ${patchelf}/bin/patchelf --print-interpreter "$p" &>/dev/null; then
         tmp="$p".$$.nix-patched
         # if this fails to copy then another process must have patched it
         cp --reflink=auto "$p" "$tmp" || continue
         echo "Patchelfing $p as $tmp"
-        patchelf \
+        ${patchelf}/bin/patchelf \
           --set-interpreter "${stdenv.cc.bintools.dynamicLinker}" \
           "$tmp" ||:
         # This makes sure that if the binary requires some specific runtime dependencies, it can find it.
         # This fixes dotnet-built binaries like crossgen2
-        patchelf \
+        ${patchelf}/bin/patchelf \
           --add-needed libicui18n.so \
           --add-needed libicuuc.so \
           --add-needed libz.so \
           --add-needed libssl.so \
           "$tmp"
-        patchelf \
+        ${patchelf}/bin/patchelf \
           --add-rpath "${binaryRPath}" \
           "$tmp" ||:
         mv "$tmp" "$p"