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/display-managers/sddm/default.nix

@@ -0,0 +1,81 @@
+{ mkDerivation, lib, fetchFromGitHub, fetchpatch
+, cmake, extra-cmake-modules, pkg-config, libxcb, libpthreadstubs
+, libXdmcp, libXau, qtbase, qtdeclarative, qtquickcontrols2, qttools, pam, systemd
+}:
+
+let
+  version = "0.19.0";
+
+in mkDerivation {
+  pname = "sddm";
+  inherit version;
+
+  src = fetchFromGitHub {
+    owner = "sddm";
+    repo = "sddm";
+    rev = "v${version}";
+    sha256 = "1s6icb5r1n6grfs137gdzfrcvwsb3hvlhib2zh6931x8pkl1qvxa";
+  };
+
+  patches = [
+    ./sddm-ignore-config-mtime.patch
+    ./sddm-default-session.patch
+    # Load `/etc/profile` for `environment.variables` with zsh default shell.
+    # See: https://github.com/sddm/sddm/pull/1382
+    (fetchpatch {
+      url = "https://github.com/sddm/sddm/commit/e1dedeeab6de565e043f26ac16033e613c222ef9.patch";
+      sha256 = "sha256-OPyrUI3bbH+PGDBfoL4Ohb4wIvmy9TeYZhE0JxR/D58=";
+    })
+    # Fix build with Qt 5.15.3
+    # See: https://github.com/sddm/sddm/pull/1325
+    (fetchpatch {
+      url = "https://github.com/sddm/sddm/commit/e93bf95c54ad8c2a1604f8d7be05339164b19308.patch";
+      sha256 = "sha256:1rh6sdvzivjcl5b05fczarvxhgpjhi7019hvf2gadnwgwdg104r4";
+    })
+  ];
+
+  postPatch =
+    # Fix missing include for gettimeofday()
+    ''
+      sed -e '1i#include <sys/time.h>' -i src/helper/HelperApp.cpp
+    '';
+
+  nativeBuildInputs = [ cmake extra-cmake-modules pkg-config qttools ];
+
+  buildInputs = [
+    libxcb libpthreadstubs libXdmcp libXau pam qtbase qtdeclarative qtquickcontrols2 systemd
+  ];
+
+  cmakeFlags = [
+    "-DCONFIG_FILE=/etc/sddm.conf"
+    # Set UID_MIN and UID_MAX so that the build script won't try
+    # to read them from /etc/login.defs (fails in chroot).
+    # The values come from NixOS; they may not be appropriate
+    # for running SDDM outside NixOS, but that configuration is
+    # not supported anyway.
+    "-DUID_MIN=1000"
+    "-DUID_MAX=29999"
+
+    "-DQT_IMPORTS_DIR=${placeholder "out"}/${qtbase.qtQmlPrefix}"
+    "-DCMAKE_INSTALL_SYSCONFDIR=${placeholder "out"}/etc"
+    "-DSYSTEMD_SYSTEM_UNIT_DIR=${placeholder "out"}/lib/systemd/system"
+    "-DDBUS_CONFIG_DIR=${placeholder "out"}/share/dbus-1/system.d"
+  ];
+
+  postInstall = ''
+    # remove empty scripts
+    rm "$out/share/sddm/scripts/Xsetup" "$out/share/sddm/scripts/Xstop"
+    for f in $out/share/sddm/themes/**/theme.conf ; do
+      substituteInPlace $f \
+        --replace 'background=' "background=$(dirname $f)/"
+    done
+  '';
+
+  meta = with lib; {
+    description = "QML based X11 display manager";
+    homepage    = "https://github.com/sddm/sddm";
+    maintainers = with maintainers; [ abbradar ttuegel ];
+    platforms   = platforms.linux;
+    license     = licenses.gpl2Plus;
+  };
+}