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/libraries/libviper/default.nix

@@ -0,0 +1,39 @@
+{lib, stdenv, fetchurl, pkg-config, glib, ncurses, gpm}:
+stdenv.mkDerivation rec {
+  pname = "libviper";
+  version = "1.4.6";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/libviper/libviper-${version}.tar.gz";
+    sha256 = "1jvm7wdgw6ixyhl0pcfr9lnr9g6sg6whyrs9ihjiz0agvqrgvxwc";
+  };
+
+  postPatch = ''
+    sed -i -e s@/usr/local@$out@ -e /ldconfig/d -e '/cd vdk/d' Makefile
+
+    # Fix pending upstream inclusion for ncurses-6.3 support:
+    #   https://github.com/TragicWarrior/libviper/pull/16
+    # Not applied as it due to unrelated code changes in context.
+    substituteInPlace viper_msgbox.c --replace \
+      'mvwprintw(window,height-3,tmp,prompt);' \
+      'mvwprintw(window,height-3,tmp,"%s",prompt);'
+    substituteInPlace w_decorate.c --replace \
+      'mvwprintw(window,0,x,title);' \
+      'mvwprintw(window,0,x,"%s",title);'
+  '';
+
+  preInstall = ''
+    mkdir -p $out/include
+    mkdir -p $out/lib
+  '';
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ glib ncurses gpm];
+
+  meta = with lib; {
+    homepage = "http://libviper.sourceforge.net/";
+    description = "Simple window creation and management facilities for the console";
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+  };
+}