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/libfaketime/default.nix

@@ -0,0 +1,46 @@
+{ lib, stdenv, fetchFromGitHub, perl, coreutils }:
+
+stdenv.mkDerivation rec {
+  pname = "libfaketime";
+  version = "0.9.9";
+
+  src = fetchFromGitHub {
+    owner = "wolfcw";
+    repo = "libfaketime";
+    rev = "v${version}";
+    sha256 = "sha256-P1guVggteGtoq8+eeE966hDPkRwsn0m7oLCohyPrIb4=";
+  };
+
+  patches = [
+    ./no-date-in-gzip-man-page.patch
+    ./nix-store-date.patch
+  ] ++ (lib.optionals stdenv.cc.isClang [
+    # https://github.com/wolfcw/libfaketime/issues/277
+    ./0001-Remove-unsupported-clang-flags.patch
+  ]);
+
+  postPatch = ''
+    patchShebangs test src
+    for a in test/functests/test_exclude_mono.sh src/faketime.c ; do
+      substituteInPlace $a \
+        --replace /bin/bash ${stdenv.shell}
+    done
+    substituteInPlace src/faketime.c --replace @DATE_CMD@ ${coreutils}/bin/date
+  '';
+
+  PREFIX = placeholder "out";
+  LIBDIRNAME = "/lib";
+
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang "-Wno-error=cast-function-type -Wno-error=format-truncation";
+
+  checkInputs = [ perl ];
+
+  meta = with lib; {
+    description = "Report faked system time to programs without having to change the system-wide time";
+    homepage = "https://github.com/wolfcw/libfaketime/";
+    license = licenses.gpl2;
+    platforms = platforms.all;
+    maintainers = [ maintainers.bjornfor ];
+    mainProgram = "faketime";
+  };
+}