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/science/math/scs/default.nix

@@ -0,0 +1,52 @@
+{ lib, stdenv, fetchFromGitHub, blas, lapack, gfortran, fixDarwinDylibNames }:
+
+assert (!blas.isILP64) && (!lapack.isILP64);
+
+stdenv.mkDerivation rec {
+  pname = "scs";
+  version = "3.2.0";
+
+  src = fetchFromGitHub {
+    owner = "cvxgrp";
+    repo = "scs";
+    rev = version;
+    sha256 = "sha256-ewn7AGNqTXY3bp5itHTfAQ2Es2ZAIbuRFM5U600Px50=";
+  };
+
+  # Actually link and add libgfortran to the rpath
+  postPatch = ''
+    substituteInPlace scs.mk \
+      --replace "#-lgfortran" "-lgfortran" \
+      --replace "gcc" "cc"
+  '';
+
+  nativeBuildInputs = lib.optional stdenv.isDarwin fixDarwinDylibNames;
+
+  buildInputs = [ blas lapack gfortran.cc.lib ];
+
+  doCheck = true;
+
+  # Test demo requires passing data and seed; numbers chosen arbitrarily.
+  postCheck = ''
+    ./out/demo_socp_indirect 42 0.42 0.42 42
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/lib
+    cp -r include $out/
+    cp out/*.a out/*.so out/*.dylib $out/lib/
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Splitting Conic Solver";
+    longDescription = ''
+      Numerical optimization package for solving large-scale convex cone problems
+    '';
+    homepage = "https://github.com/cvxgrp/scs";
+    license = licenses.mit;
+    platforms = platforms.all;
+    maintainers = [ maintainers.bhipple ];
+  };
+}