Stefan Fiedler:

package/base/tar/futimens.patch

@@ -1,36 +0,0 @@
---- ./lib/utimens.c.orig	2007-05-31 08:37:07.000000000 +0200
-+++ ./lib/utimens.c	2007-05-31 08:37:17.000000000 +0200
-@@ -73,7 +73,7 @@
-    Return 0 on success, -1 (setting errno) on failure.  */
- 
- int
--futimens (int fd ATTRIBUTE_UNUSED,
-+futimens_local (int fd ATTRIBUTE_UNUSED,
- 	  char const *file, struct timespec const timespec[2])
- {
-   /* There's currently no interface to set file timestamps with
-@@ -166,5 +166,5 @@
- int
- utimens (char const *file, struct timespec const timespec[2])
- {
--  return futimens (-1, file, timespec);
-+  return futimens_local (-1, file, timespec);
- }
---- ./lib/utimens.h.orig	2007-05-31 08:37:07.000000000 +0200
-+++ ./lib/utimens.h	2007-05-31 08:37:20.000000000 +0200
-@@ -1,3 +1,3 @@
- #include "timespec.h"
--int futimens (int, char const *, struct timespec const [2]);
-+int futimens_local (int, char const *, struct timespec const [2]);
- int utimens (char const *, struct timespec const [2]);
---- ./src/misc.c.orig	2007-05-31 08:37:07.000000000 +0200
-+++ ./src/misc.c	2007-05-31 08:37:26.000000000 +0200
-@@ -518,7 +518,7 @@
-     }
- #endif
- 
--  return futimens (fd, file, timespec);
-+  return futimens_local (fd, file, timespec);
- }
- 
- /* A description of a working directory.  */

package/base/tar/tar.conf

@@ -1,3 +1,4 @@
+#!/bin/bash
 # --- ROCK-COPYRIGHT-NOTE-BEGIN ---
 # 
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
@@ -19,11 +20,12 @@
 # file for details.
 # 
 # --- ROCK-COPYRIGHT-NOTE-END ---
+# 
+postmake="mv -v $root/usr/bin/tar $root/bin/tar ; \
+	install -m 0644 -o root -g root ${builddir}/$pkg-$ver/tar.1 $root/usr/man/man1/"
 
-var_append confopt ' ' '-C'
-
-if [ $stagelevel -gt 0 ]; then
-	postmake="mv -v $root/usr/bin/tar $root/bin/tar ; \
-		install -m 0644 -o root -g root ${builddir}/$pkg-$ver/tar.1 $root/usr/man/man1/"
-fi
-
+# Makes the C99 "restrict" keyword work.
+var_append GCC_WRAPPER_INSERT " " "-std=gnu99"
+# Alternatively, use __restrict instead:
+# hook_add preconf 5 "echo ac_cv_c_restrict=__restrict > config.cache"
+# var_append extraconfopt " " "--cache-file=config.cache"