diff --git a/CMakeLists.txt b/CMakeLists.txt
index e6d9562..2f2c7d6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -62,6 +62,7 @@ if (LIBECPINT_BUILD_TESTS)
   include(external/ImportGTest.cmake)
   enable_testing()
   add_subdirectory(tests)
+  add_subdirectory(example)
 endif()
 
 option(LIBECPINT_BUILD_DOCS "Enables Libecpint documentation." ON)
diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index 1d77253..e00f4a7 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -6,9 +6,12 @@ project( LibecpintExample
          LANGUAGES CXX)
 
 add_executable(example example.cpp)
-target_link_libraries(example PRIVATE ecpint Faddeeva pugixml)
+target_link_libraries(example PRIVATE ecpint)
 file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/iodine.bas
      DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
 file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/hydrogen.bas
      DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
 
+add_test(NAME example
+	 COMMAND example
+	 WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4da25e3..33c49d6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -87,6 +87,10 @@ endif()
 # =========
 
 install(TARGETS ecpint EXPORT ecpintTargets DESTINATION ${CMAKE_INSTALL_LIBDIR})
+if (LIBECPINT_USE_PUGIXML)
+  # used in api.h
+  target_compile_definitions(ecpint PUBLIC HAS_PUGIXML)
+endif()
 include(CMakePackageConfigHelpers)
 # Version file
 write_basic_package_version_file(