From 94c56ea09c046ddfa0838644f64f344281698360 Mon Sep 17 00:00:00 2001
From: Jan Beich <jbeich@FreeBSD.org>
Date: Sat, 27 Oct 2018 17:55:55 +0000
Subject: [PATCH] native: enable backtrace on some BSDs

---
 CMakeLists.txt                | 2 ++
 ext/native/base/backtrace.cpp | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bfe966b5ae..5193b756a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1073,6 +1073,8 @@ if(ANDROID)
 	target_link_libraries(native log EGL OpenSLES)
 elseif(WIN32)
 	target_link_libraries(native ws2_32 winmm)
+elseif(${CMAKE_SYSTEM_NAME} MATCHES "^(DragonFly|FreeBSD|NetBSD)$")
+	target_link_libraries(native execinfo)
 endif()
 setup_target_project(native native)
 
diff --git a/ext/native/base/backtrace.cpp b/ext/native/base/backtrace.cpp
index 6c22f209ff..2b5cddb972 100644
--- a/ext/native/base/backtrace.cpp
+++ b/ext/native/base/backtrace.cpp
@@ -1,6 +1,6 @@
 #include "base/backtrace.h"
 
-#if defined(__GLIBC__) && !defined(__UCLIBC__)
+#if (defined(__GLIBC__) && !defined(__UCLIBC__)) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__)
 #include <execinfo.h>
 #include <unistd.h>