From: Jeff Lucovsky <jeff@lucovsky.org>
Date: Thu, 17 Jun 2021 12:52:17 +0000 (-0400)
Subject: configure.ac: Support libunwind configuration
X-Git-Tag: suricata-6.0.5~53
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=285f57861e1e342f4bca5169b03ce2ce195d04f2;p=thirdparty%2Fsuricata.git

configure.ac: Support libunwind configuration

This commit adds support for enabling libunwind -- a library that can be
used to display stack information.

Libunwind is enabled and used by Suricata if present during
configuration.  A diagnostic message is displayed if libunwind
cannot be found.

(cherry picked from commit 303dd29b501d9f27b60d1b400986f04b99df2453)
---

diff --git a/configure.ac b/configure.ac
index 18fc82db65..79cdd4cd34 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1791,6 +1791,13 @@
     ;;
     esac
 
+    AC_CHECK_LIB(unwind,unw_backtrace,,LIBUNW="no")
+    if test "$LIBUNW" = "no"; then
+        echo
+        echo "   libunwind library and development headers not found"
+        echo "   stacktrace on unexpected termination due to signal not possible"
+        echo
+    fi;
 
     AC_ARG_ENABLE(ebpf,
 	        AS_HELP_STRING([--enable-ebpf],[Enable eBPF support]),