diff --git a/configure b/configure
index a80483d1f..9fa52ccec 100755
--- a/configure
+++ b/configure
@@ -5887,6 +5887,10 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+if $CC --version | grep -q "clang version 3."; then :
+  CFLAGS="$CFLAGS -Wno-tautological-compare"
+fi
+
 
 
 
diff --git a/configure.ac b/configure.ac
index 4f3f8e6be..991ed0d33 100644
--- a/configure.ac
+++ b/configure.ac
@@ -254,6 +254,9 @@ check_cc_flag([-Waddress], [CFLAGS="$CFLAGS -Wno-address"])
 dnl This one breaks our TO_INTFUNC() that is used in m_tkl for tkl_typetochar
 check_cc_flag([-Wcast-function-type], [CFLAGS="$CFLAGS -Wno-cast-function-type"])
 
+AS_IF([$CC --version | grep -q "clang version 3."],
+        [CFLAGS="$CFLAGS -Wno-tautological-compare"])
+
 dnl End of -W... compiler checks.