diff -r 73e60c77be23 -r d6dbd5d50d43 nbproject/configurations.xml
--- a/nbproject/configurations.xml	Sun Dec 27 21:57:52 2020 +0100
+++ b/nbproject/configurations.xml	Wed Dec 30 00:39:03 2020 +0100
@@ -83,6 +83,15 @@
               <pElem>../relpipe-lib-writer.cpp/include</pElem>
               <pElem>../relpipe-lib-common.cpp/include</pElem>
               <pElem>../relpipe-lib-cli.cpp/include</pElem>
+              <pElem>/usr/include/libxml++-2.6</pElem>
+              <pElem>/usr/lib/x86_64-linux-gnu/libxml++-2.6/include</pElem>
+              <pElem>/usr/include/libxml2</pElem>
+              <pElem>/usr/include/glibmm-2.4</pElem>
+              <pElem>/usr/lib/x86_64-linux-gnu/glibmm-2.4/include</pElem>
+              <pElem>/usr/include/glib-2.0</pElem>
+              <pElem>/usr/lib/x86_64-linux-gnu/glib-2.0/include</pElem>
+              <pElem>/usr/include/sigc++-2.0</pElem>
+              <pElem>/usr/lib/x86_64-linux-gnu/sigc++-2.0/include</pElem>
               <pElem>build/Debug/src</pElem>
             </incDir>
           </ccTool>