See https://bugs.gentoo.org/678454

diff --git a/configure.ac b/configure.ac
index 5e7fb5875..b288327c8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -285,7 +285,6 @@ AC_PROG_AWK
 AC_PROG_MKDIR_P
 AM_WITH_DMALLOC
 AX_C___ATTRIBUTE__
-AX_GCC_ARCHFLAG([yes])
 PKG_PROG_PKG_CONFIG([0.20])
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST