build KDE Frameworks with each Qt version

pkgs/development/libraries/kde-frameworks/kdoctools/default.nix

@@ -0,0 +1,16 @@
+{ kdeFramework, lib, extra-cmake-modules, docbook_xml_dtd_45
+, docbook5_xsl, karchive, ki18n, perl, perlPackages
+}:
+
+kdeFramework {
+  name = "kdoctools";
+  meta = { maintainers = [ lib.maintainers.ttuegel ]; };
+  nativeBuildInputs = [ extra-cmake-modules ];
+  propagatedBuildInputs = [ karchive ki18n ];
+  propagatedNativeBuildInputs = [ perl perlPackages.URI ];
+  cmakeFlags = [
+    "-DDocBookXML4_DTD_DIR=${docbook_xml_dtd_45}/xml/dtd/docbook"
+    "-DDocBookXSL_DIR=${docbook5_xsl}/xml/xsl/docbook"
+  ];
+  patches = [ ./kdoctools-no-find-docbook-xml.patch ];
+}

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"
+}
+
+envHooks+=(addXdgData)