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PR build/11881: LIBTHREAD_DB_SO can be undefined. 

This patch:

 http://sourceware.org/ml/gdb-patches/2009-04/msg00115.html

Changed behaviour by only defining LIBTHREAD_DB_SO if thread_db.h exists. The
definition of LIBTHREAD_DB_SO and LIBTHREAD_DB_SEARCH_PATH should be moved
outside of #ifdef HAVE_THREAD_DB_H.

This is based on a patch attached to the PR, however, it needed a
tweak, as it was it broke the HAVE_THREAD_DB_H path.

2013-04-16  Will Newton  <will.newton@gmail.com>
	    Pedro Alves  <palves@redhat.com>

	PR build/11881

	* common/gdb_thread_db.h (LIBTHREAD_DB_SO)
	(LIBTHREAD_DB_SEARCH_PATH): Move outside of #ifdef
	HAVE_THREAD_DB_H.
This commit is contained in:
Pedro Alves 2013-04-16 18:12:14 +00:00
parent dee368d345
commit e3b50a7f94
2 changed files with 20 additions and 12 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2013-04-16 Will Newton <will.newton@gmail.com>
Pedro Alves <palves@redhat.com>
PR build/11881
* common/gdb_thread_db.h (LIBTHREAD_DB_SO)
(LIBTHREAD_DB_SEARCH_PATH): Move outside of #ifdef
HAVE_THREAD_DB_H.
2013-04-16 Pedro Alves <palves@redhat.com>
Eli Zaretskii <eliz@gnu.org>

23
gdb/common/gdb_thread_db.h
View File

@ -1,17 +1,5 @@
#ifdef HAVE_THREAD_DB_H
#include <thread_db.h>
#ifndef LIBTHREAD_DB_SO
#define LIBTHREAD_DB_SO "libthread_db.so.1"
#endif
#ifndef LIBTHREAD_DB_SEARCH_PATH
/* $sdir appears before $pdir for some minimal security protection:
we trust the system libthread_db.so a bit more than some random
libthread_db associated with whatever libpthread the app is using. */
#define LIBTHREAD_DB_SEARCH_PATH "$sdir:$pdir"
#endif
#else
/* Copyright (C) 1999-2013 Free Software Foundation, Inc.
@ -453,3 +441,14 @@ extern td_err_e td_thr_dbresume (const td_thrhandle_t *__th);
#endif /* thread_db.h */
#endif /* HAVE_THREAD_DB_H */
#ifndef LIBTHREAD_DB_SO
#define LIBTHREAD_DB_SO "libthread_db.so.1"
#endif
#ifndef LIBTHREAD_DB_SEARCH_PATH
/* $sdir appears before $pdir for some minimal security protection:
we trust the system libthread_db.so a bit more than some random
libthread_db associated with whatever libpthread the app is using. */
#define LIBTHREAD_DB_SEARCH_PATH "$sdir:$pdir"
#endif