--- gforth/configure.in	2010/01/09 23:45:03	1.276
+++ gforth/configure.in	2010/05/17 09:01:11	1.277
@@ -479,6 +479,31 @@ esac
 AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
 AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
 
+AC_MSG_CHECKING([for a C type for octabytes])
+ac_cv_octabyte_type_cell=none
+case 8 in
+  $ac_cv_sizeof_int)
+    ac_cv_octabyte_type_cell=int
+    ;;
+  $ac_cv_sizeof_short)
+    ac_cv_octabyte_type_cell=short
+    ;;
+  $ac_cv_sizeof_char)
+    ac_cv_octabyte_type_cell=char
+    ;;
+  $ac_cv_sizeof_long)
+    ac_cv_octabyte_type_cell=long
+    ;;
+  $ac_cv_sizeof_long_long)
+    ac_cv_octabyte_type_cell="long long"
+    ;;
+  $ac_cv_sizeof_intptr_t)
+    ac_cv_octabyte_type_cell="intptr_t"
+    ;;
+esac
+AC_MSG_RESULT($ac_cv_octabyte_type_cell)
+AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
+
 AC_MSG_CHECKING([for a C type for double-cells])
 ac_cv_int_type_double_cell=none
 case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
@@ -919,7 +944,7 @@ AC_CHECK_FUNCS(expm1 log1p)
 AC_REPLACE_FUNCS(rint ecvt)
 dnl No check for select, because our replacement is no good under
 dnl anything but DOS
-AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h)
+AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
 AC_FUNC_FNMATCH
 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
 AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)