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gdb/command.h: Include common/scoped_restore.h 

command.h depends on scoped_restore:

  extern scoped_restore_tmpl<int> prevent_dont_repeat (void);

But doesn't include the corresponding header
("common/scoped_restore.h").  We haven't noticed a problem because
utils.h includes scoped_restore.h, and defs.h includes utils.h.

However, a patch that makes "symtab.h" include "completer.h", exposed
the issue:
 https://sourceware.org/ml/gdb-patches/2017-06/msg00023.html.

Without this fix that would break building all .o files like this:

 In file included from src/gdb/completer.h:21:0,
                  from src/gdb/symtab.h:28,
                  from src/gdb/language.h:26,
                  from src/gdb/frame.h:72,
                  from src/gdb/gdbarch.h:39,
                  from src/gdb/defs.h:636,
                  from src/gdb/top.c:20:
 src/gdb/command.h:434:8: error: ‘scoped_restore_tmpl’ does not name a type
  extern scoped_restore_tmpl<int> prevent_dont_repeat (void);
         ^
 Makefile:1911: recipe for target 'top.o' failed

because defs.h includes gdbarch.h before it includes utils.h.

gdb/ChangeLog:
2017-06-28  Pedro Alves  <palves@redhat.com>

	* command.h: Include "common/scoped_restore.h".
This commit is contained in:
Pedro Alves 2017-06-28 15:19:02 +01:00
parent bc491f2e76
commit 6e75794e9d
2 changed files with 5 additions and 0 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
2017-06-28 Pedro Alves <palves@redhat.com>
* command.h: Include "common/scoped_restore.h".
2017-06-28 Yao Qi <yao.qi@linaro.org>
* mi/mi-cmd-break.c (mi_argv_to_format): Use obstack_grow_str

1
gdb/command.h
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@ -19,6 +19,7 @@
#define COMMAND_H 1
#include "gdb_vecs.h"
#include "common/scoped_restore.h"
/* This file defines the public interface for any code wanting to
create commands. */