Ensure that -mno-unaligned-access or some equivalent option is used.

acinclude.m4

@@ -474,23 +474,3 @@ dnl program.
 AC_DEFUN([grub_TRANSFORM],[dnl
 AC_SUBST(AS_TR_SH([$1]), [`AS_ECHO([$1]) | sed "$program_transform_name"`])dnl
 ])
-
-dnl Check if the C compiler supports `-mno-unaligned-access'.
-AC_DEFUN([grub_CHECK_NO_UNALIGNED_ACCESS],[
-[# foobar
-nua_possible=yes]
-AC_MSG_CHECKING([whether `$CC' supports `-mno-unaligned-access'])
-AC_LANG_CONFTEST([AC_LANG_SOURCE([[
-int main() {
-	return 0;
-}
-]])])
-
-[if eval "$ac_compile -S -mno-unaligned-access -o conftest.s" 2> /dev/null; then]
-  AC_MSG_RESULT([yes])
-  [rm -f conftest.s
-else
-  nua_possible=no]
-  AC_MSG_RESULT([no])
-[fi]
-])