diff --git a/configure.ac b/configure.ac
index 594417b0f1bd63b8c0e440b9a159b27b65c139e1..800334e8ca10cfa20eac2d51015c9eee80266822 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,6 +16,7 @@ AC_PROG_MAKE_SET
 AC_PROG_LIBTOOL
 AC_SUBST(LIBTOOL_DEPS)
 
+CXX="$CXX -std=c++0x"
 CXXFLAGS="$CXXFLAGS -fPIC"
 
 dnl Checks for libraries.