+# Check whether we can use g++ with -std=c++0x for the test.
+AC_PROG_CXX
+AX_CXX_COMPILE_STDCXX_0X
+AM_CONDITIONAL(HAVE_STDCXX_0X, test "x$ax_cv_cxx_compile_cxx0x_cxx" ==
"xyes")
Should we use AX_CXX_COMPILE_STDCXX_11 instead (or in addition) to that?
Thanks,
PM