From: Guillermo J. Rozas <edu/mit/csail/zurich/gjr>
Date: Thu, 4 Jun 1992 14:42:38 +0000 (+0000)
Subject: Conditionalize definition of IO_PAGE_SIZE.
X-Git-Tag: 20090517-FFI~9285
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=6eed803627684a6ae4b48db7190758d552951c88;p=mit-scheme.git

Conditionalize definition of IO_PAGE_SIZE.
---

diff --git a/v7/src/microcode/bchgcc.h b/v7/src/microcode/bchgcc.h
index dd75d9112..19708da43 100644
--- a/v7/src/microcode/bchgcc.h
+++ b/v7/src/microcode/bchgcc.h
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/Attic/bchgcc.h,v 9.49 1992/06/04 13:10:04 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/Attic/bchgcc.h,v 9.50 1992/06/04 14:42:38 jinx Exp $
 
 Copyright (c) 1987-1992 Massachusetts Institute of Technology
 
@@ -103,10 +103,12 @@ extern int EXFUN (io_error_always_abort, (char *, char *));
 
 /* IO_PAGE_SIZE must be a power of 2! */
 
-#ifdef DEV_BSIZE
-#define IO_PAGE_SIZE DEV_BSIZE
-#else
-#define IO_PAGE_SIZE 8192
+#ifndef IO_PAGE_SIZE
+#  ifdef DEV_BSIZE
+#    define IO_PAGE_SIZE DEV_BSIZE
+#  else
+#    define IO_PAGE_SIZE 8192
+#  endif
 #endif
 
 #define ALIGN_DOWN_TO_IO_PAGE(addr)					\