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[gdb/build] Fix build with undefined CXX_STD_THREAD
When building gdb on openSUSE Leap 42.3, we trigger the case that CXX_STD_THREAD is undefined, and run into: ... gdb/maint.c: In function 'void maintenance_show_worker_threads \ (ui_file*, int, cmd_list_element*, const char*)': gdb/maint.c:877:14: error: 'gdb::thread_pool' has not been declared gdb::thread_pool::g_thread_pool->thread_count ()); ^ Makefile:1647: recipe for target 'maint.o' failed make[1]: *** [maint.o] Error 1 ... Fix this by handling the undefined CXX_STD_THREAD case in maintenance_show_worker_threads, such that we get: ... $ gdb -q -batch -ex "maint show worker-thread" The number of worker threads GDB can use is 0. ... Tested on x86_64-linux. Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=28312
This commit is contained in:
23
gdb/maint.c
23
gdb/maint.c
@ -871,14 +871,23 @@ maintenance_show_worker_threads (struct ui_file *file, int from_tty,
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struct cmd_list_element *c,
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const char *value)
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{
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#if CXX_STD_THREAD
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if (n_worker_threads == -1)
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fprintf_filtered (file, _("The number of worker threads GDB "
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"can use is unlimited (currently %zu).\n"),
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gdb::thread_pool::g_thread_pool->thread_count ());
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else
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fprintf_filtered (file, _("The number of worker threads GDB "
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"can use is %d.\n"),
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n_worker_threads);
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{
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fprintf_filtered (file, _("The number of worker threads GDB "
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"can use is unlimited (currently %zu).\n"),
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gdb::thread_pool::g_thread_pool->thread_count ());
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return;
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}
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#endif
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int report_threads = 0;
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#if CXX_STD_THREAD
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report_threads = n_worker_threads;
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#endif
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fprintf_filtered (file, _("The number of worker threads GDB "
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"can use is %d.\n"),
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report_threads);
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}
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