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/guile-modules/guile-lib/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, stdenv
+, fetchurl
+, guile
+, pkg-config
+, texinfo
+}:
+
+assert stdenv ? cc && stdenv.cc.isGNU;
+
+stdenv.mkDerivation rec {
+  pname = "guile-lib";
+  version = "0.2.7";
+
+  src = fetchurl {
+    url = "mirror://savannah/${pname}/${pname}-${version}.tar.gz";
+    hash = "sha256-5O87hF8SGILHwM8E+BocuP02DG9ktWuGjeVUYhT5BN4=";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+  buildInputs = [
+    guile
+    texinfo
+  ];
+
+  doCheck = true;
+
+  preCheck = ''
+    # Make `libgcc_s.so' visible for `pthread_cancel'.
+    export LD_LIBRARY_PATH=\
+    "$(dirname $(echo ${stdenv.cc.cc.lib}/lib*/libgcc_s.so))''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
+  '';
+
+  meta = with lib; {
+    homepage = "https://www.nongnu.org/guile-lib/";
+    description = "A collection of useful Guile Scheme modules";
+    longDescription = ''
+      guile-lib is intended as an accumulation place for pure-scheme Guile
+      modules, allowing for people to cooperate integrating their generic Guile
+      modules into a coherent library.  Think "a down-scaled, limited-scope CPAN
+      for Guile".
+    '';
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ vyp ];
+    platforms = platforms.gnu ++ platforms.linux;
+  };
+}