diff -r -u gnutls-2.8.6-old//lib/Makefile.am gnutls-2.8.6-new//lib/Makefile.am
--- gnutls-2.8.6-old//lib/Makefile.am	2009-06-02 19:07:14 +0000
+++ gnutls-2.8.6-new//lib/Makefile.am	2010-08-13 14:10:08 +0000
@@ -138,7 +138,7 @@
 # C++ library
 
 if ENABLE_CXX
-libgnutlsxx_la_CPPFLAGS = -I$(top_srcdir)/includes -I../includes
+libgnutlsxx_la_CPPFLAGS = -I$(top_srcdir)/includes -I$(builddir)/includes
 
 AM_CXXFLAGS = -I$(top_srcdir)/includes/