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/teyjus/default.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchFromGitHub, omake, ocaml, flex, bison }:
+
+stdenv.mkDerivation rec {
+  pname = "teyjus";
+  version = "2.1";
+
+  src = fetchFromGitHub {
+    owner = "teyjus";
+    repo = "teyjus";
+    rev = "v${version}";
+    sha256 = "sha256-nz7jZ+GdF6mZQPzBrVD9K/RtoeuVRuhfs7vej4zDkhg=";
+  };
+
+  patches = [ ./fix-lex-to-flex.patch ];
+
+  buildInputs = [ omake ocaml flex bison ];
+
+  hardeningDisable = [ "format" ];
+
+  buildPhase = "omake all";
+
+  checkPhase = "omake check";
+
+  installPhase = "mkdir -p $out/bin && cp tj* $out/bin";
+
+  meta = with lib; {
+    description = "An efficient implementation of the Lambda Prolog language";
+    homepage = "https://github.com/teyjus/teyjus";
+    license = lib.licenses.gpl3;
+    maintainers = [ maintainers.bcdarwin ];
+    platforms = platforms.linux;
+  };
+}

pkgs/development/compilers/teyjus/fix-lex-to-flex.patch

@@ -0,0 +1,25 @@
+diff --git a/source/OMakefile b/source/OMakefile
+index e6bd37e..1bbc0a8 100644
+--- a/source/OMakefile
++++ b/source/OMakefile
+@@ -184,6 +184,12 @@ DEP_MAIN = $(FNT)/dependfront
+ PAR_MAIN = $(FNT)/parsefront
+ 
+ ############################################################
++# Nixpkgs specific changes
++#
++
++LEX = flex
++
++############################################################
+ # Platform specific changes
+ #
+ 
+@@ -194,7 +200,6 @@ if $(mem $(SYSNAME), Linux)
+ 
+ if $(mem $(OSTYPE), Cygwin Win32)
+     YACC = bison -by
+-    LEX = flex
+     CC = i686-pc-mingw32-gcc
+     INC_C[] += $(INC)/byteswap $(INC)/search
+     export