Unbreak Windows-hosted cross debugger builds.

* windows-nat.c (windows_get_absolute_argv0): Move from here...
	* mingw-hdep.c (windows_get_absolute_argv0): ...to here.
	Include main.h.

	* windows-nat.h (windows_get_absolute_argv0): Move prototype from
	here...
	* main.h (windows_get_absolute_argv0): ...to here.

gdb/ChangeLog

@@ -1,3 +1,13 @@
+2013-04-06  Eli Zaretskii  <eliz@gnu.org>
+
+	* windows-nat.c (windows_get_absolute_argv0): Move from here...
+	* mingw-hdep.c (windows_get_absolute_argv0): ...to here.
+	Include main.h.
+
+	* windows-nat.h (windows_get_absolute_argv0): Move prototype from
+	here...
+	* main.h (windows_get_absolute_argv0): ...to here.
+
 2013-04-05  Doug Evans  <dje@google.com>
 
 	* dwarf2read.c (struct dwarf2_per_objfile): Tweak comment.

gdb/main.c

@@ -45,9 +45,6 @@
 #include "maint.h"
 
 #include "filenames.h"
-#ifdef __MINGW32__
-# include "windows-nat.h"
-#endif
 
 /* The selected interpreter.  This will be used as a set command
    variable, so it should always be malloc'ed - since

gdb/main.h

@@ -36,4 +36,10 @@ extern int return_child_result_value;
 extern int batch_silent;
 extern int batch_flag;
 
+/* From mingw-hdep.c, used by main.c.  */
+
+/* Return argv[0] in absolute form, if possible, or ARGV0 if not.  The
+   return value is in malloc'ed storage.  */
+extern char *windows_get_absolute_argv0 (const char *argv0);
+
 #endif

gdb/mingw-hdep.c

@@ -18,6 +18,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
+#include "main.h"
 #include "serial.h"
 #include "event-loop.h"
 
@@ -80,6 +81,19 @@ safe_strerror (int errnum)
   return buffer;
 }
 
+/* Return an absolute file name of the running GDB, if possible, or
+   ARGV0 if not.  The return value is in malloc'ed storage.  */
+
+char *
+windows_get_absolute_argv0 (const char *argv0)
+{
+  char full_name[PATH_MAX];
+
+  if (GetModuleFileName (NULL, full_name, PATH_MAX))
+    return xstrdup (full_name);
+  return xstrdup (argv0);
+}
+
 /* Wrapper for select.  On Windows systems, where the select interface
    only works for sockets, this uses the GDB serial abstraction to
    handle sockets, consoles, pipes, and serial ports.

gdb/windows-nat.c

@@ -597,18 +597,6 @@ failed:
   return 0;		/* failure */
 }
 
-/* Return an absolute file name of the running GDB, if possible, or
-   ARGV0 if not.  The return value is in malloc'ed storage.  */
-char *
-windows_get_absolute_argv0 (const char *argv0)
-{
-  char full_name[PATH_MAX];
-
-  if (GetModuleFileName (NULL, full_name, PATH_MAX))
-    return xstrdup (full_name);
-  return xstrdup (argv0);
-}
-
 /* Encapsulate the information required in a call to
    symbol_file_add_args.  */
 struct safe_symbol_file_add_args

gdb/windows-nat.h

@@ -28,9 +28,5 @@ typedef int (segment_register_p_ftype) (int regnum);
    whether a given register is a segment register or not.  */
 extern void windows_set_segment_register_p (segment_register_p_ftype *fun);
 
-/* Return argv[0] in absolute form, if possible, or ARGV0 if not.  The
-   return value is in malloc'ed storage.  */
-extern char *windows_get_absolute_argv0 (const char *argv0);
-
 #endif