From d6062ef8f6f4171d2f2ab1d4deb53fbd82fa68c2 Mon Sep 17 00:00:00 2001
From: Robert Nishihara <robertnishihara@gmail.com>
Date: Fri, 13 Oct 2017 21:39:11 -0700
Subject: [PATCH] Compile with -rdynamic for better debugging symbols. (#1123)

* Compile with -rdynamic.

* Only use -rdynamic on Linux.

* Add comment.
---
 src/common/cmake/Common.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/common/cmake/Common.cmake b/src/common/cmake/Common.cmake
index 3dea10961..983b3db2f 100644
--- a/src/common/cmake/Common.cmake
+++ b/src/common/cmake/Common.cmake
@@ -5,6 +5,11 @@ include(CMakeParseArguments)
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -g -Werror -Wall -Wno-error=unused-function -Wno-error=strict-aliasing")
 
+# The rdynamic flag is needed to produce better backtraces on Linux.
+if(UNIX AND NOT APPLE)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -rdynamic")
+endif()
+
 set(FLATBUFFERS_VERSION "1.7.1")
 
 set(FLATBUFFERS_PREFIX "${CMAKE_BINARY_DIR}/flatbuffers_ep-prefix/src/flatbuffers_ep-install")