From 55b2425e707881c1dc6e238bc45b57cfe7a761f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Canna=C3=B2?= <rene.cannao@gmail.com>
Date: Wed, 24 Aug 2016 10:59:56 +0000
Subject: [PATCH] Enable backtrace only on glibc #654

musl doesn't support backtrace
---
 lib/ProxySQL_GloVars.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/ProxySQL_GloVars.cpp b/lib/ProxySQL_GloVars.cpp
index ab676645f..38b972762 100644
--- a/lib/ProxySQL_GloVars.cpp
+++ b/lib/ProxySQL_GloVars.cpp
@@ -16,6 +16,7 @@ void crash_handler(int sig) {
 #ifdef DEBUG
 //	malloc_stats_print(NULL, NULL, "");
 #endif
+#ifdef __GLIBC__
 	void *arr[20];
 	size_t s;
 
@@ -23,6 +24,7 @@ void crash_handler(int sig) {
 
 	fprintf(stderr, "Error: signal %d:\n", sig);
 	backtrace_symbols_fd(arr, s, STDERR_FILENO);
+#endif /* __GLIBC__ */
 //#ifdef SYS_gettid
 	// try to generate a core dump signaling again the thread
 	signal(sig, SIG_DFL);