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/kde-frameworks/kdoctools/default.nix

@@ -0,0 +1,32 @@
+{
+  mkDerivation,
+  extra-cmake-modules, docbook_xml_dtd_45, docbook_xsl_ns,
+  karchive, ki18n, qtbase,
+  perl, perlPackages
+}:
+
+mkDerivation {
+  pname = "kdoctools";
+  nativeBuildInputs = [
+    extra-cmake-modules
+    # The build system insists on having native Perl.
+    perl perlPackages.URI
+  ];
+  propagatedBuildInputs = [
+    # kdoctools at runtime actually needs Perl for the platform kdoctools is
+    # running on, not necessarily native perl.
+    perl perlPackages.URI
+    qtbase
+  ];
+  buildInputs = [ karchive ki18n ];
+  outputs = [ "out" "dev" ];
+  patches = [ ./kdoctools-no-find-docbook-xml.patch ];
+  cmakeFlags = [
+    "-DDocBookXML4_DTD_DIR=${docbook_xml_dtd_45}/xml/dtd/docbook"
+    "-DDocBookXSL_DIR=${docbook_xsl_ns}/xml/xsl/docbook"
+  ];
+  postFixup = ''
+    moveToOutput "share/doc" "$dev"
+    moveToOutput "share/man" "$dev"
+  '';
+}

pkgs/development/libraries/kde-frameworks/kdoctools/kdoctools-no-find-docbook-xml.patch

@@ -0,0 +1,12 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 5c4863c..f731775 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -46,7 +46,6 @@ set_package_properties(LibXml2 PROPERTIES
+                       )
+ 
+ 
+-find_package(DocBookXML4 "4.5")
+ 
+ set_package_properties(DocBookXML4 PROPERTIES
+                        TYPE REQUIRED

pkgs/development/libraries/kde-frameworks/kdoctools/setup-hook.sh

@@ -0,0 +1,5 @@
+addXdgData() {
+    addToSearchPath XDG_DATA_DIRS "$1/share"
+}
+
+addEnvHooks "$targetOffset" addXdgData