--- configure.ac.orig	2018-09-20 14:35:07 UTC
+++ configure.ac
@@ -235,20 +235,7 @@ dnl check if alloca.h exists. If it does, we need to i
 dnl Solaris builds, by defining HAVE_ALLOCA_H
 AC_CHECK_HEADERS_ONCE(alloca.h)
 
-
-dnl Enable C++ 11 support. Use gnu++11 on GCC since wxWidgets uses extensions
-if "${CXX}" -v 2>&1 | grep -q '^gcc version'; then
-
-    dnl GCC < 4.9 has known bugs (#1397) and can't be used
-    AX_GCC_VERSION_ATLEAST(4,9,0,[gcc_ok=yes], [gcc_ok=no])
-    if test x$gcc_ok = xno; then
-        AC_MSG_ERROR([Audacity requires at least GCC 4.9])
-    fi
-
-    CXXFLAGS="${CXXFLAGS} --std=gnu++11"
-else
-    CXXFLAGS="${CXXFLAGS} --std=c++11"
-fi
+CXXFLAGS="${CXXFLAGS} --std=c++11"
 
 dnl --------------------------------------------------------------------------
 dnl We would like warnings enabled on the builds, but different compilers need