https://sourceforge.net/tracker/index.php?func=detail&aid=3392466&group_id=80013&atid=558446

--- src/contribs-lib/CMakeLists.txt.orig	Thu Mar 17 01:21:07 2011
+++ src/contribs-lib/CMakeLists.txt	Mon Aug  6 15:37:47 2012
@@ -106,9 +106,26 @@ add_library(clucene-contribs-lib SHARED
 )
 TARGET_LINK_LIBRARIES(clucene-contribs-lib ${clucene_contrib_extra_libs})
 
+#install public headers.
+FOREACH(file ${HEADERS})
+	get_filename_component(apath ${file} PATH)
+	get_filename_component(aname ${file} NAME)
+	file(RELATIVE_PATH relpath ${CMAKE_SOURCE_DIR}/src/contribs-lib ${apath})
+	IF ( NOT aname MATCHES "^_.*" )
+		install(FILES ${file} 
+		        DESTINATION include/${relpath}
+		        COMPONENT development)
+	ENDIF ( NOT aname MATCHES "^_.*" )
+ENDFOREACH(file)
+
 #set properties on the libraries
 SET_TARGET_PROPERTIES(clucene-contribs-lib PROPERTIES
     VERSION ${CLUCENE_VERSION}
     SOVERSION ${CLUCENE_SOVERSION}
     COMPILE_DEFINITIONS_DEBUG _DEBUG
 )
+
+#and install library
+install(TARGETS clucene-contribs-lib 
+        DESTINATION ${LIB_DESTINATION}  
+        COMPONENT runtime )
