--- a/src/CMakeLists.txt	Sun Dec 27 21:57:52 2020 +0100
+++ b/src/CMakeLists.txt	Wed Dec 30 00:39:03 2020 +0100
@@ -17,7 +17,7 @@
 
 # Relpipe libraries:
 INCLUDE(FindPkgConfig)
-pkg_check_modules (RELPIPE_LIBS relpipe-lib-reader.cpp relpipe-lib-writer.cpp relpipe-lib-cli.cpp)
+pkg_check_modules (RELPIPE_LIBS relpipe-lib-reader.cpp relpipe-lib-writer.cpp relpipe-lib-cli.cpp libxml++-2.6)
 include_directories(${RELPIPE_LIBS_INCLUDE_DIRS})
 link_directories(${RELPIPE_LIBS_LIBRARY_DIRS})