--- kBuild-0.1.9998-pre20110817/src/sed/lib/regex_internal.c
+++ kBuild-0.1.9998-pre20110817/src/sed/lib/regex_internal.c
@@ -781,7 +781,7 @@
 }
 
 static unsigned char
-internal_function __attribute ((pure))
+internal_function
 re_string_fetch_byte_case (re_string_t *pstr)
 {
   if (BE (!pstr->mbs_allocated, 1))