From b0023083c413c6447ef34cf3c6cfaf54a1cc8793 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Fri, 19 Jul 2013 14:18:43 -0400
Subject: On Linux (and some other systems) we need -rdynamic for backtraces

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 5059079f7..8e247db32 100644
--- a/configure.ac
+++ b/configure.ac
@@ -593,6 +593,9 @@ if test x$enable_linker_hardening != xno; then
     TOR_CHECK_LDFLAGS(-z relro -z now, "$all_ldflags_for_check", "$all_libs_for_check")
 fi
 
+# For backtrace support
+TOR_CHECK_LDFLAGS(-rdynamic)
+
 dnl ------------------------------------------------------
 dnl Now see if we have a -fomit-frame-pointer compiler option.
 
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