Small configure.ac change that was used on Oculus cluster

Ithanil · Ithanil · commit b6e8b25cebff · 2019-02-05T20:11:43.000+01:00
diff --git a/configure.ac b/configure.ac
@@ -80,7 +80,7 @@ AC_PROG_LN_S
 AC_PROG_RANLIB
 
 # check for c++11 support (and add compiler flag)
-AX_CXX_COMPILE_STDCXX(11, noext, mandatory)
+#AX_CXX_COMPILE_STDCXX(11, ext, mandatory)
 
 # check for valgrind
 AX_VALGRIND_CHECK
