From 277bd447ad955b546ab248aa170004d1e3e9cd70 Mon Sep 17 00:00:00 2001
From: Guo Xiao <guoxiao08@gmail.com>
Date: Wed, 22 Nov 2017 11:19:03 -0800
Subject: [PATCH] Link to unwind when using symbolizer

Summary:
Fix #673
Closes https://github.com/facebook/folly/pull/715

Reviewed By: meyering

Differential Revision: D6394731

Pulled By: yfeldblum

fbshipit-source-id: fb92828d0c633278601125dbc64cadf0cdbaa7fe
---
 folly/Makefile.am | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/folly/Makefile.am b/folly/Makefile.am
index c046a8df..5c60a728 100644
--- a/folly/Makefile.am
+++ b/folly/Makefile.am
@@ -734,6 +734,10 @@ libfollybase_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(LT_VERSION)
 libfolly_la_LIBADD = libfollybase.la
 libfolly_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(LT_VERSION) -lssl
 
+if USE_SYMBOLIZER
+libfolly_la_LDFLAGS += -lunwind
+endif
+
 FingerprintTables.cpp: generate_fingerprint_tables
 	./generate_fingerprint_tables
 CLEANFILES += FingerprintTables.cpp
-- 
2.34.1