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/aqbanking/gwenhywfar.nix

@@ -0,0 +1,69 @@
+{ lib, stdenv, fetchurl, gnutls, openssl, libgcrypt, libgpg-error, pkg-config, gettext
+, which
+
+# GUI support
+, gtk2, gtk3, qt5
+
+, pluginSearchPaths ? [
+    "/run/current-system/sw/lib/gwenhywfar/plugins"
+    ".nix-profile/lib/gwenhywfar/plugins"
+  ]
+}:
+
+let
+  inherit ((import ./sources.nix).gwenhywfar) sha256 releaseId version;
+in stdenv.mkDerivation rec {
+  pname = "gwenhywfar";
+  inherit version;
+
+  src = fetchurl {
+    url = "https://www.aquamaniac.de/rdm/attachments/download/${releaseId}/${pname}-${version}.tar.gz";
+    inherit sha256;
+  };
+
+  configureFlags = [
+    "--with-openssl-includes=${openssl.dev}/include"
+    "--with-openssl-libs=${lib.getLib openssl}/lib"
+  ];
+
+  preConfigure = ''
+    configureFlagsArray+=("--with-guis=gtk2 gtk3 qt5")
+  '';
+
+  postPatch = let
+    isRelative = path: builtins.substring 0 1 path != "/";
+    mkSearchPath = path: ''
+      p; g; s,\<PLUGINDIR\>,"${path}",g;
+    '' + lib.optionalString (isRelative path) ''
+      s/AddPath(\(.*\));/AddRelPath(\1, GWEN_PathManager_RelModeHome);/g
+    '';
+
+  in ''
+    sed -i -e '/GWEN_PathManager_DefinePath.*GWEN_PM_PLUGINDIR/,/^#endif/ {
+      /^#if/,/^#endif/ {
+        H; /^#endif/ {
+          ${lib.concatMapStrings mkSearchPath pluginSearchPaths}
+        }
+      }
+    }' src/gwenhywfar.c
+
+    # Strip off the effective SO version from the path so that for example
+    # "lib/gwenhywfar/plugins/60" becomes just "lib/gwenhywfar/plugins".
+    sed -i -e '/^gwenhywfar_plugindir=/s,/\''${GWENHYWFAR_SO_EFFECTIVE},,' \
+      configure
+  '';
+
+  nativeBuildInputs = [ pkg-config gettext which ];
+
+  buildInputs = [ gtk2 gtk3 qt5.qtbase gnutls openssl libgcrypt libgpg-error ];
+
+  dontWrapQtApps = true;
+
+  meta = with lib; {
+    description = "OS abstraction functions used by aqbanking and related tools";
+    homepage = "https://www.aquamaniac.de/rdm/projects/gwenhywfar";
+    license = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ goibhniu ];
+    platforms = platforms.linux;
+  };
+}