Fix building for GCC 8

Signed-off-by: Jonathan Dieter <jdieter@gmail.com>

0001-Add-missing-header.patch

@@ -0,0 +1,25 @@
+From b3dbe01831b4c5594c5c9144ef3b4f26dad6f22b Mon Sep 17 00:00:00 2001
+From: Jonathan Dieter <jdieter@gmail.com>
+Date: Thu, 15 Mar 2018 14:26:03 +0200
+Subject: [PATCH] Add missing header
+
+Signed-off-by: Jonathan Dieter <jdieter@gmail.com>
+---
+ src/chunkserver/iostat.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/chunkserver/iostat.h b/src/chunkserver/iostat.h
+index e1a50e97..85fcccd3 100644
+--- a/src/chunkserver/iostat.h
++++ b/src/chunkserver/iostat.h
+@@ -28,6 +28,7 @@
+ #include <algorithm>
+ #include <unordered_map>
+ #include <vector>
++#include <sys/sysmacros.h>
+ 
+ #include <sys/stat.h>
+ #include <sys/types.h>
+-- 
+2.14.3
+

lizardfs.spec

@@ -1,7 +1,7 @@
 Name:		lizardfs
 Summary:	Distributed, fault tolerant file system
 Version:	3.12.0
-Release:	6%{?dist}
+Release:	7%{?dist}
 # LizardFS is under GPLv3 while crcutil is under ASL 2.0 and there's one header,
 # src/common/coroutine.h, under the Boost license
 License:	GPLv3 and ASL 2.0 and Boost
@@ -11,6 +11,9 @@ Source1:	pam-lizardfs
 Source2:	95-lizardfs.conf
 # Use spdlog system library if available
 Patch0:		0001-Put-customized-spdlog-in-source-so-we-don-t-download.patch
+# Fix for building with GCC 8
+# See https://github.com/lizardfs/lizardfs/pull/677
+Patch1:		0001-Add-missing-header.patch
 BuildRequires:	gcc
 BuildRequires:	gcc-c++
 BuildRequires:	fuse-devel
@@ -403,6 +406,9 @@ install -m644 %{SOURCE2} %{buildroot}%{_sysconfdir}/security/limits.d/95-lizardf
 
 
 %changelog
+* Thu Mar 15 2018 Jonathan Dieter <jdieter@gmail.com> - 3.12.0-7
+- Fix building for GCC 8
+
 * Wed Mar 07 2018 Jonathan Dieter <jdieter@gmail.com> - 3.12.0-6
 - Add BuildRequires: gcc and BuildRequires: gcc-c++