stdenv with -nostdinc support

default.nix

with import <nixpkgs> {};
let
  libcPattern =
    builtins.replaceStrings ["/"] ["\\/"] "${gcc.libc_dev}/include";
  gcc' = wrapCCWith {
    cc = gcc.cc;
    bintools = binutils;
    extraBuildCommands = ''
      cat >> $out/nix-support/add-flags.sh <<'EOF'
      if [[ "$@" = *-nostdinc* ]]; then
          NIX_CFLAGS_COMPILE_${gcc.suffixSalt}=''${NIX_CFLAGS_COMPILE_${gcc.suffixSalt}//-idirafter ${libcPattern}/}
      fi
      EOF
    '';
  };
in (overrideCC stdenv gcc').mkDerivation {
  name = "env";
  buildInputs = [
    bashInteractive
  ];
}