00:19:03.259  ========== Backtrace start: ==========
00:19:03.259  
00:19:03.259  in /home/vagrant/spdk_repo/spdk/autopackage.sh:37 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:19:03.259       ...
00:19:03.259     32  		$rootdir/configure $config_params --enable-lto
00:19:03.259     33  	else
00:19:03.259     34  		# LTO needs a special compiler to work on BSD.
00:19:03.259     35  		$rootdir/configure $config_params
00:19:03.259     36  	fi
00:19:03.259  => 37  	$MAKE ${MAKEFLAGS}
00:19:03.259     38  	$MAKE ${MAKEFLAGS} clean
00:19:03.259     39  	
00:19:03.259     40  	timing_exit build_release
00:19:03.259     41  	
00:19:03.259     42  	timing_finish
00:19:03.259       ...
00:19:03.259  
00:19:03.259  ========== Backtrace end ==========