From df7ef16afcc6ab55daa686e4f15c16e3d1280337 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 2 Sep 2017 12:42:30 -0700
Subject: [PATCH 2/4] Add a definition for the macro __ELF_NATIVE_CLASS

It depends on the native arch's word size.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 src/mongo/util/stacktrace_posix.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/mongo/util/stacktrace_posix.cpp b/src/mongo/util/stacktrace_posix.cpp
index 53ab85f56f..7c458e7ef2 100644
--- a/src/mongo/util/stacktrace_posix.cpp
+++ b/src/mongo/util/stacktrace_posix.cpp
@@ -37,6 +37,15 @@
 #include <string>
 #include <sys/utsname.h>
 
+#if !defined(__GLIBC__)
+#if defined __x86_64__ && !defined __ILP32__
+# define __WORDSIZE    64
+#else
+# define __WORDSIZE    32
+#endif
+#define __ELF_NATIVE_CLASS __WORDSIZE
+#endif
+
 #include "mongo/base/init.h"
 #include "mongo/config.h"
 #include "mongo/db/jsobj.h"
-- 
2.14.1