Index: nDPI-2.6/Makefile.am
===================================================================
--- nDPI-2.6.orig/Makefile.am
+++ nDPI-2.6/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I m4
 SUBDIRS = src/lib example tests
 
-pkgconfigdir = $(prefix)/libdata/pkgconfig
+pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libndpi.pc
 
 EXTRA_DIST = autogen.sh
Index: nDPI-2.6/src/lib/Makefile.in
===================================================================
--- nDPI-2.6.orig/src/lib/Makefile.in
+++ nDPI-2.6/src/lib/Makefile.in
@@ -61,7 +61,7 @@ distclean: clean
 install: $(NDPI_LIBS)
 	mkdir -p $(DESTDIR)$(libdir)
 	cp $(NDPI_LIBS) $(DESTDIR)$(libdir)/
-	ln -Ffs $(DESTDIR)$(libdir)/$(NDPI_LIB_SHARED) $(DESTDIR)$(libdir)/$(NDPI_LIB_SHARED_BASE)
-	ln -Ffs $(DESTDIR)$(libdir)/$(NDPI_LIB_SHARED) $(DESTDIR)$(libdir)/$(NDPI_LIB_SHARED_BASE).$(NDPI_VERSION_MAJOR)
+	ln -Ffs $(NDPI_LIB_SHARED) $(DESTDIR)$(libdir)/$(NDPI_LIB_SHARED_BASE)
+	ln -Ffs $(NDPI_LIB_SHARED) $(DESTDIR)$(libdir)/$(NDPI_LIB_SHARED_BASE).$(NDPI_VERSION_MAJOR)
 	mkdir -p $(DESTDIR)$(includedir)
 	cp ../include/*.h $(DESTDIR)$(includedir)