From 52b5fe5f45b1908e140e05a4eceaaac7002be768 Mon Sep 17 00:00:00 2001
From: Kamil Rytarowski <n54@gmx.com>
Date: Wed, 25 Dec 2019 04:05:10 +0100
Subject: [compiler-rt] [netbsd] Define _RTLD_SOURCE to fix build

The TLS base (LWP private pointer) functions are namespaced and
hidden i.e. inside the _RTLD_SOURCE namespace.
---
 compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
index cd503718205..56d4b71849c 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -28,6 +28,10 @@
 #include "sanitizer_placement_new.h"
 #include "sanitizer_procmaps.h"
 
+#if SANITIZER_NETBSD
+#define _RTLD_SOURCE  // Fast LWP private pointer getters in ThreadSelfTlsTcb().
+#endif
+
 #include <dlfcn.h>  // for dlsym()
 #include <link.h>
 #include <pthread.h>
-- 
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