From 063bea58bcc1c27864a0351bba07254855903377 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Fri, 19 Jul 2013 14:09:58 -0400
Subject: Basic backtrace ability

On platforms with the backtrace/backtrace_symbols_fd interface, Tor
can now dump stack traces on assertion failure.  By default, I log
them to DataDir/stack_dump and to stderr.
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 4aeec929e..5059079f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -302,6 +302,8 @@ dnl exports strlcpy without defining it in a header.
 AC_CHECK_FUNCS(
         _NSGetEnviron \
         accept4 \
+        backtrace \
+        backtrace_symbols_fd \
         clock_gettime \
         flock \
         ftime \
@@ -319,6 +321,7 @@ AC_CHECK_FUNCS(
         memmem \
         prctl \
         rint \
+        sigaction \
         socketpair \
         strlcat \
         strlcpy \
@@ -802,6 +805,7 @@ dnl These headers are not essential
 AC_CHECK_HEADERS(
         arpa/inet.h \
         crt_externs.h \
+        execinfo.h \
         grp.h \
         ifaddrs.h \
         inttypes.h \
-- 
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