AC_DEFUN([MIT_SCHEME_NATIVE_CODE],[
_mit_scheme_native_code_spec=$1
_mit_scheme_native_code_host_cpu=$2
-case ${_mit_scheme_native_code_host_cpu} in
-i?86)
- AC_CHECK_DECL([__x86_64__],[_mit_scheme_native_code_host_cpu=x86_64])
+
+case ${_mit_scheme_native_code_spec} in
+yes|YES|y|Y)
+ case ${_mit_scheme_native_code_host_cpu} in
+ i?86)
+ AC_CHECK_DECL([__x86_64__],
+ [_mit_scheme_native_code_host_cpu=x86_64],
+ [_mit_scheme_native_code_host_cpu=i386])
+ ;;
+ esac
;;
esac
+
AC_MSG_CHECKING([for native-code support])
case ${_mit_scheme_native_code_spec} in
yes|YES|y|Y)