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/applications/blockchains/cgminer/default.nix

@@ -0,0 +1,56 @@
+{ lib, stdenv
+, fetchFromGitHub
+, pkg-config
+, libtool
+, autoconf
+, automake
+, curl
+, ncurses
+, ocl-icd
+, opencl-headers
+, libusb1
+, xorg
+, jansson }:
+
+stdenv.mkDerivation rec {
+  pname = "cgminer";
+  version = "4.11.1";
+
+  src = fetchFromGitHub {
+    owner = "ckolivas";
+    repo = "cgminer";
+    rev = "v${version}";
+    sha256 = "0l1ms3nxnjzh4mpiadikvngcr9k3jnjqy3yna207za0va0c28dj5";
+  };
+
+  nativeBuildInputs = [ pkg-config autoconf automake ];
+  buildInputs = [ libtool curl ncurses ocl-icd opencl-headers
+    xorg.libX11 xorg.libXext xorg.libXinerama jansson libusb1 ];
+
+  configureScript = "./autogen.sh";
+  configureFlags = [ "--enable-scrypt"
+                     "--enable-opencl"
+                     "--enable-bitforce"
+                     "--enable-icarus"
+                     "--enable-modminer"
+                     "--enable-ztex"
+                     "--enable-avalon"
+                     "--enable-klondike"
+                     "--enable-keccak"
+                     "--enable-bflsc"];
+
+  # Workaround build failure on -fno-common toolchains like upstream
+  # gcc-10. Otherwise build fails as:
+  #   ld: cgminer-driver-modminer.o:/build/source/miner.h:285:
+  #     multiple definition of `bitforce_drv'; cgminer-cgminer.o:/build/source/miner.h:285:
+  #     first defined here
+  NIX_CFLAGS_COMPILE = "-fcommon";
+
+  meta = with lib; {
+    description = "CPU/GPU miner in c for bitcoin";
+    homepage = "https://github.com/ckolivas/cgminer";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ offline mmahut ];
+    platforms = platforms.linux;
+  };
+}