* win32-nat.c (_initialize_check_for_gdb_ini): New function.

* config/i386/xm-cygwin.h: Remove obsolete handling of __CYGWIN32__.
(GDBINIT_FILENAME): Remove.

gdb/ChangeLog

@@ -1,3 +1,9 @@
+2001-11-24  Christopher Faylor  <cgf@redhat.com>
+
+	* win32-nat.c (_initialize_check_for_gdb_ini): New function.
+	* config/i386/xm-cygwin.h: Remove obsolete handling of __CYGWIN32__.
+	(GDBINIT_FILENAME): Remove.
+
 2001-11-23  Mark Kettenis  <kettenis@gnu.org>
 
 	Add x86 OpenBSD native configuration.

gdb/config/i386/xm-cygwin.h

@@ -22,15 +22,5 @@
 
 #include "fopen-bin.h"
 
-#define GDBINIT_FILENAME "gdb.ini"
-
 /* Define this if source files use \r\n rather than just \n.  */
 #define CRLF_SOURCE_FILES
-
-/* If under Cygwin, provide backwards compatibility with older
-   Cygwin compilers that don't define the current cpp define. */
-#ifdef __CYGWIN32__
-#ifndef __CYGWIN__
-#define __CYGWIN__
-#endif
-#endif 

gdb/doc/ChangeLog

@@ -1,3 +1,9 @@
+2001-11-24  Christopher Faylor  <cgf@redhat.com>
+
+	* gdb.texinfo (File Options): Change description of -nx and gdb.ini to
+	specifically refer to MS-DOS.
+	(command files): Mention gdb.ini is only used on MS-DOS.
+
 2001-11-21  Tom Tromey  <tromey@redhat.com>
 
 	* gdb.texinfo (Invoking GDB): Document --args.

gdb/doc/gdb.texinfo

@@ -913,7 +913,7 @@ batch mode or quiet mode.
 @cindex @code{--nx}
 @cindex @code{-n}
 Do not execute commands found in any initialization files (normally
-called @file{.gdbinit}, or @file{gdb.ini} on PCs).  Normally,
+called @file{.gdbinit} or @file{gdb.ini} under MS-DOS).  Normally,
 @value{GDBN} executes the commands in these files after all the command
 options and arguments have been processed.  @xref{Command Files,,Command
 files}.
@@ -13067,8 +13067,9 @@ the last command, as it would from the terminal.
 @cindex @file{.gdbinit}
 @cindex @file{gdb.ini}
 When you start @value{GDBN}, it automatically executes commands from its
-@dfn{init files}.  These are files named @file{.gdbinit} on Unix and
+@dfn{init files}.  These files are normally named @file{.gdbinit} although
-@file{gdb.ini} on DOS/Windows.  During startup, @value{GDBN} does the
+filename limitations require that they be named @file{gdb.ini} on MS-DOS.
+During startup, @value{GDBN} does the
 following:
 
 @enumerate

gdb/win32-nat.c

@@ -32,6 +32,7 @@
 #include "command.h"
 #include "completer.h"
 #include "regcache.h"
+#include "top.h"
 #include <signal.h>
 #include <sys/types.h>
 #include <fcntl.h>
@@ -1753,3 +1754,31 @@ _initialize_core_win32 (void)
 {
   add_core_fns (&win32_elf_core_fns);
 }
+
+void
+_initialize_check_for_gdb_ini (void)
+{
+  char *homedir;
+  if (inhibit_gdbinit)
+    return;
+
+  homedir = getenv ("HOME");
+  if (homedir)
+    {
+      char *p;
+      char *oldini = (char *) alloca (strlen (homedir) +
+				      sizeof ("/gdb.ini"));
+      strcpy (oldini, homedir);
+      p = strchr (oldini, '\0');
+      if (p > oldini && p[-1] != '/')
+	*p++ = '/';
+      strcpy (p, "gdb.ini");
+      if (access (oldini, 0) == 0)
+	{
+	  int len = strlen (oldini);
+	  char *newini = alloca (len + 1);
+	  sprintf (newini, "%.*s.gdbinit", len - (sizeof ("gdb.ini") - 1), oldini);
+	  warning ("obsolete '%s' found. Rename to '%s'.", oldini, newini);
+	}
+    }
+}

gdb/windows-nat.c

@@ -32,6 +32,7 @@
 #include "command.h"
 #include "completer.h"
 #include "regcache.h"
+#include "top.h"
 #include <signal.h>
 #include <sys/types.h>
 #include <fcntl.h>
@@ -1753,3 +1754,31 @@ _initialize_core_win32 (void)
 {
   add_core_fns (&win32_elf_core_fns);
 }
+
+void
+_initialize_check_for_gdb_ini (void)
+{
+  char *homedir;
+  if (inhibit_gdbinit)
+    return;
+
+  homedir = getenv ("HOME");
+  if (homedir)
+    {
+      char *p;
+      char *oldini = (char *) alloca (strlen (homedir) +
+				      sizeof ("/gdb.ini"));
+      strcpy (oldini, homedir);
+      p = strchr (oldini, '\0');
+      if (p > oldini && p[-1] != '/')
+	*p++ = '/';
+      strcpy (p, "gdb.ini");
+      if (access (oldini, 0) == 0)
+	{
+	  int len = strlen (oldini);
+	  char *newini = alloca (len + 1);
+	  sprintf (newini, "%.*s.gdbinit", len - (sizeof ("gdb.ini") - 1), oldini);
+	  warning ("obsolete '%s' found. Rename to '%s'.", oldini, newini);
+	}
+    }
+}