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/tools/toluapp/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchFromGitHub, sconsPackages, lua }:
+
+stdenv.mkDerivation rec {
+  version = "1.0.93";
+  pname = "toluapp";
+
+  src = fetchFromGitHub {
+    owner = "LuaDist";
+    repo  = "toluapp";
+    rev   = version;
+    sha256 = "0zd55bc8smmgk9j4cf0jpibb03lgsvl0knpwhplxbv93mcdnw7s0";
+  };
+
+  nativeBuildInputs = [ sconsPackages.scons_3_0_1 ];
+  buildInputs = [ lua ];
+
+  patches = [ ./environ-and-linux-is-kinda-posix.patch ./headers.patch ];
+
+  preConfigure = ''
+    substituteInPlace config_posix.py \
+      --replace /usr/local $out
+  '';
+
+  meta = with lib; {
+    description = "A tool to integrate C/Cpp code with Lua";
+    homepage = "http://www.codenix.com/~tolua/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ vrthra ];
+    mainProgram = "tolua++";
+    platforms = with platforms; unix;
+  };
+}

pkgs/development/tools/toluapp/environ-and-linux-is-kinda-posix.patch

@@ -0,0 +1,36 @@
+As it turns out, scons doesn't inherit environment variables by
+default. Debugging this was very pleasant. -- oxij
+
+diff --git a/SConstruct b/SConstruct
+index 5c1e774..66aa4c8 100644
+--- a/SConstruct
++++ b/SConstruct
+@@ -5,13 +5,11 @@ tools = ['default']
+ if os.name == 'nt':
+ 	tools = ['mingw']
+ 
+-env = Environment(tools = tools)
++env = Environment(tools = tools, ENV = os.environ)
+ 
+ options_file = None
+-if sys.platform == 'linux2':
+-	options_file = "linux"
+ 
+-elif 'msvc' in env['TOOLS']:
++if 'msvc' in env['TOOLS']:
+ 	options_file = "msvc"
+ else:
+ 	options_file = "posix"
+diff --git a/config_posix.py b/config_posix.py
+index 2bb696c..eb4eb9b 100644
+--- a/config_posix.py
++++ b/config_posix.py
+@@ -16,7 +16,7 @@ CCFLAGS = ['-O2', '-ansi', '-Wall']
+ prefix = '/usr/local'
+ 
+ # libraries
+-LIBS = ['lua', 'lualib', 'm']
++LIBS = ['lua', 'liblua', 'm']
+ 
+ 
+ 

pkgs/development/tools/toluapp/headers.patch

@@ -0,0 +1,15 @@
+diff --git a/include/tolua++.h b/include/tolua++.h
+index ed53449..f57d56d 100644
+--- a/include/tolua++.h
++++ b/include/tolua++.h
+@@ -43,8 +43,8 @@ extern "C" {
+
+ typedef int lua_Object;
+
+-#include "lua.h"
+-#include "lauxlib.h"
++#include <lua.h>
++#include <lauxlib.h>
+
+ struct tolua_Error
+ {