diff --git a/configure.ac b/configure.ac
index 0b7e590cc..ade962afb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,7 +22,7 @@ AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_CXX
-AX_CXX_COMPILE_STDCXX(11, noext, optional)
+dnl AX_CXX_COMPILE_STDCXX(11, noext, optional)
 AC_SYS_LARGEFILE
 PKG_PROG_PKG_CONFIG([0.20])
 AM_MISSING_PROG([RAGEL], [ragel])