uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/compilers/wcc/default.nix

@@ -0,0 +1,51 @@
+{ lib, stdenv, fetchFromGitHub, capstone, libbfd, libelf, libiberty, readline }:
+
+stdenv.mkDerivation {
+  pname = "wcc-unstable";
+  version = "2018-04-05";
+
+  src = fetchFromGitHub {
+    owner = "endrazine";
+    repo = "wcc";
+    rev = "f141963ff193d7e1931d41acde36d20d7221e74f";
+    sha256 = "1f0w869x0176n5nsq7m70r344gv5qvfmk7b58syc0jls8ghmjvb4";
+    fetchSubmodules = true;
+  };
+
+  buildInputs = [ capstone libbfd libelf libiberty readline ];
+
+  postPatch = ''
+    sed -i src/wsh/include/libwitch/wsh.h src/wsh/scripts/INDEX \
+      -e "s#/usr/share/wcc#$out/share/wcc#"
+
+    sed -i -e '/stropts.h>/d' src/wsh/include/libwitch/wsh.h
+  '';
+
+  installFlags = [ "DESTDIR=$(out)" ];
+
+  preInstall = ''
+    mkdir -p $out/usr/bin
+  '';
+
+  postInstall = ''
+    mv $out/usr/* $out
+    rmdir $out/usr
+    mkdir -p $out/share/man/man1
+    cp doc/manpages/*.1 $out/share/man/man1/
+  '';
+
+  preFixup = ''
+    # Let patchShebangs rewrite shebangs with wsh.
+    PATH+=:$out/bin
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    homepage = "https://github.com/endrazine/wcc";
+    description = "Witchcraft compiler collection: tools to convert and script ELF files";
+    license = licenses.mit;
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ orivej ];
+  };
+}