From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sun, 24 Apr 2016 08:44:30 +0200
Subject: tools: add tar host build, required for --sort=name which was only added in the latest version

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

Backport of r46876

diff --git a/tools/Makefile b/tools/Makefile
index c6cded8..98ce8c5 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -81,6 +81,9 @@ endif
 # dependency for tools which have patches directory
 $(foreach tool, $(tools-y), $(if $(wildcard $(curdir)/$(tool)/patches),$(eval $(curdir)/$(tool)/compile += $(curdir)/patch/install)))
 
+$(foreach tool, $(tools-y), $(eval $(curdir)/$(tool)/compile += $(curdir)/tar/install))
+tools-y += tar
+
 $(curdir)/builddirs := $(tools-y) $(tools-dep) $(tools-)
 $(curdir)/builddirs-default := $(tools-y)
 
diff --git a/tools/tar/Makefile b/tools/tar/Makefile
new file mode 100644
index 0000000..975e783
--- /dev/null
+++ b/tools/tar/Makefile
@@ -0,0 +1,30 @@
+#
+# Copyright (C) 2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=tar
+PKG_VERSION:=1.28
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=@GNU/tar
+PKG_MD5SUM:=49b6306167724fe48f419a33a5beb857
+
+HOST_BUILD_PARALLEL := 1
+
+include $(INCLUDE_DIR)/host-build.mk
+
+HOSTCC := $(HOSTCC_NOCACHE)
+HOSTCXX := $(HOSTCXX_NOCACHE)
+
+HOST_CONFIGURE_ARGS += \
+	--without-posix-acls \
+	--without-selinux \
+	--without-xattrs \
+	--disable-acl \
+	--disable-nls
+
+$(eval $(call HostBuild))
diff --git a/tools/tar/patches/100-fix_xattr_disable.patch b/tools/tar/patches/100-fix_xattr_disable.patch
new file mode 100644
index 0000000..5735bd2
--- /dev/null
+++ b/tools/tar/patches/100-fix_xattr_disable.patch
@@ -0,0 +1,17 @@
+--- a/lib/xattr-at.c
++++ b/lib/xattr-at.c
+@@ -18,6 +18,8 @@
+ 
+ #include <config.h>
+ 
++#ifdef HAVE_XATTRS
++
+ #include "xattr-at.h"
+ #include "openat.h"
+ 
+@@ -108,3 +110,5 @@
+ #undef AT_FUNC_RESULT
+ #undef AT_FUNC_POST_FILE_PARAM_DECLS
+ #undef AT_FUNC_POST_FILE_ARGS
++
++#endif