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/lib2geom/default.nix

@@ -0,0 +1,60 @@
+{ stdenv
+, fetchFromGitLab
+, cmake
+, ninja
+, pkg-config
+, boost
+, glib
+, gsl
+, cairo
+, double-conversion
+, gtest
+, lib
+}:
+
+stdenv.mkDerivation rec {
+  pname = "lib2geom";
+  version = "1.1";
+
+  outputs = [ "out" "dev" ];
+
+  src = fetchFromGitLab {
+    owner = "inkscape";
+    repo = "lib2geom";
+    rev = "refs/tags/${version}";
+    sha256 = "sha256-u9pbpwVzAXzrM2/tQnd1B6Jo9Fzg6UZBr9AtUsNMfQ0=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+    pkg-config
+  ];
+
+  buildInputs = [
+    boost
+    glib
+    gsl
+    cairo
+    double-conversion
+  ];
+
+  checkInputs = [
+    gtest
+  ];
+
+  cmakeFlags = [
+    "-DCMAKE_SKIP_BUILD_RPATH=OFF" # for tests
+    "-D2GEOM_BUILD_SHARED=ON"
+  ];
+
+  doCheck = true;
+
+  meta = with lib; {
+    description = "Easy to use 2D geometry library in C++";
+    homepage = "https://gitlab.com/inkscape/lib2geom";
+    license = [ licenses.lgpl21Only licenses.mpl11 ];
+    maintainers = with maintainers; [ jtojnar ];
+    platforms = platforms.unix;
+  };
+}