From b9638936ae6f3d6692ff758e10f37898b1a6d9b0 Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Mon, 16 Oct 2000 17:22:18 +0000
Subject: [PATCH] If no band is explicitly specified, and the default band
 doesn't exist, look for alternatives.

---
 v7/src/microcode/option.c  | 31 ++++++++++++++++++++++++++++++-
 v7/src/microcode/version.h |  4 ++--
 2 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/v7/src/microcode/option.c b/v7/src/microcode/option.c
index 1b1d8b988..673761a66 100644
--- a/v7/src/microcode/option.c
+++ b/v7/src/microcode/option.c
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-$Id: option.c,v 1.53 2000/01/18 05:08:35 cph Exp $
+$Id: option.c,v 1.54 2000/10/16 17:22:12 cph Exp $
 
 Copyright (c) 1990-2000 Massachusetts Institute of Technology
 
@@ -1200,6 +1200,35 @@ DEFUN (read_command_line_options, (argc, argv),
   {
     CONST char * band_variable = BAND_VARIABLE;
     CONST char * default_band = DEFAULT_BAND;
+
+    /* If the default band doesn't exist, look for alternates.  */
+    if (!search_for_library_file (DEFAULT_BAND))
+      {
+	CONST char * alternate_bands [] =
+	  {
+	    ALL_DEFAULT_BAND,
+	    COMPILER_DEFAULT_BAND,
+	    EDWIN_DEFAULT_BAND,
+	    "6001.com",
+	    "mechanics.com",
+	    0
+	  };
+	unsigned int i = 0;
+	while (1)
+	  {
+	    CONST char * band = (alternate_bands[i]);
+	    if (band == 0)
+	      break;
+	    if (search_for_library_file (band))
+	      {
+		default_band = band;
+		option_large_sizes = 1;
+		break;
+	      }
+	    i += 1;
+	  }
+      }
+
     option_band_specified = 0;
     if (option_band_file != 0)
       xfree (option_band_file);
diff --git a/v7/src/microcode/version.h b/v7/src/microcode/version.h
index 64111f35f..363fad38e 100644
--- a/v7/src/microcode/version.h
+++ b/v7/src/microcode/version.h
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-$Id: version.h,v 11.173 2000/05/20 18:59:16 cph Exp $
+$Id: version.h,v 11.174 2000/10/16 17:22:18 cph Exp $
 
 Copyright (c) 1988-2000 Massachusetts Institute of Technology
 
@@ -33,5 +33,5 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 #define VERSION		11
 #endif
 #ifndef SUBVERSION
-#define SUBVERSION	169
+#define SUBVERSION	170
 #endif
-- 
2.25.1