Move gdb/common/diagnostics.h to include/diagnostics.h

Move gdb/common/diagnostics.h to include/diagnostics.h so that it can
be used in binutils.

gdb/

	* ada-lex.l: Include "diagnostics.h" instead of
	"common/diagnostics.h".
	* unittests/environ-selftests.c: Likewise.
	* common/diagnostics.h: Moved to ../include.

include/

	* diagnostics.h: Moved from ../gdb/common/diagnostics.h.

gdb/ChangeLog

@@ -1,3 +1,10 @@
+2018-06-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* ada-lex.l: Include "diagnostics.h" instead of
+	"common/diagnostics.h".
+	* unittests/environ-selftests.c: Likewise.
+	* common/diagnostics.h: Moved to ../include.
+
 2018-06-01  Joel Brobecker  <brobecker@adacore.com>
 
 	* breakpoint.c (breakpoint_re_set): Temporarily force language_mode

gdb/ada-lex.l

@@ -41,7 +41,7 @@ POSEXP  (e"+"?{NUM10})
 
 %{
 
-#include "common/diagnostics.h"
+#include "diagnostics.h"
 
 /* Some old versions of flex generate code that uses the "register" keyword,
    which clang warns about.  This was observed for example with flex 2.5.35,

gdb/unittests/environ-selftests.c

@@ -20,7 +20,7 @@
 #include "defs.h"
 #include "selftest.h"
 #include "common/environ.h"
-#include "common/diagnostics.h"
+#include "diagnostics.h"
 
 static const char gdb_selftest_env_var[] = "GDB_SELFTEST_ENVIRON";
 

include/ChangeLog

@@ -1,3 +1,7 @@
+2018-06-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* diagnostics.h: Moved from ../gdb/common/diagnostics.h.
+
 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	* splay-tree.h (splay_tree_compare_strings,

include/diagnostics.h

@@ -1,7 +1,5 @@
 /* Copyright (C) 2017-2018 Free Software Foundation, Inc.
 
-   This file is part of GDB.
-
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
@@ -15,10 +13,8 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#ifndef COMMON_DIAGNOSTICS_H
-#define COMMON_DIAGNOSTICS_H
-
-#include "common/preprocessor.h"
+#ifndef DIAGNOSTICS_H
+#define DIAGNOSTICS_H
 
 #ifdef __GNUC__
 # define DIAGNOSTIC_PUSH _Pragma ("GCC diagnostic push")
@@ -61,4 +57,4 @@
 
 #endif
 
-#endif /* COMMON_DIAGNOSTICS_H */
+#endif /* DIAGNOSTICS_H */