From b8fd863517ae6dba1f4bdf225f45b97eb913e09e Mon Sep 17 00:00:00 2001
From: Carlo Landmeter <clandmeter@gmail.com>
Date: Tue, 1 Mar 2016 15:23:09 +0100
Subject: [PATCH 1/8] Use the correct macro to include backtrace

execinfo.h and backtrace() are GNU extensions provided by glibc
and not by gcc, see:

http://www.gnu.org/software/libc/manual/html_mono/libc.html#Backtraces

Signed-off-by: Carlo Landmeter <clandmeter@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4453
---
 cmd/ztest/ztest.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmd/ztest/ztest.c b/cmd/ztest/ztest.c
index afe6faa..40524ed 100644
--- a/cmd/ztest/ztest.c
+++ b/cmd/ztest/ztest.c
@@ -123,7 +123,7 @@
 #include <math.h>
 #include <sys/fs/zfs.h>
 #include <libnvpair.h>
-#ifdef __GNUC__
+#ifdef __GLIBC__
 #include <execinfo.h> /* for backtrace() */
 #endif
 
@@ -490,7 +490,7 @@ _umem_logging_init(void)
 static void sig_handler(int signo)
 {
 	struct sigaction action;
-#ifdef __GNUC__ /* backtrace() is a GNU extension */
+#ifdef __GLIBC__ /* backtrace() is a GNU extension */
 	int nptrs;
 	void *buffer[BACKTRACE_SZ];
 
-- 
2.7.4