update to latest stable version, fix uclibc compile, patch from http://git.buildroot.net/buildroot/tree/package/coreutils/coreutils-01-spawn-uclibc.patch

package/coreutils/patches/patch-Makefile_am

@@ -0,0 +1,8 @@
+--- coreutils-8.22.orig/Makefile.am	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/Makefile.am	2014-02-21 16:15:49.000000000 +0100
+@@ -187,5 +187,4 @@ AM_CPPFLAGS = -Ilib -I$(top_srcdir)/lib
+ include $(top_srcdir)/lib/local.mk
+ include $(top_srcdir)/src/local.mk
+ include $(top_srcdir)/doc/local.mk
+-include $(top_srcdir)/man/local.mk
+ include $(top_srcdir)/tests/local.mk

package/coreutils/patches/patch-m4_spawn_h_m4

@@ -0,0 +1,18 @@
+--- coreutils-8.22.orig/m4/spawn_h.m4	2013-12-04 15:53:33.000000000 +0100
++++ coreutils-8.22/m4/spawn_h.m4	2014-02-21 15:19:26.000000000 +0100
+@@ -64,7 +64,14 @@ AC_DEFUN([gl_HAVE_POSIX_SPAWN],
+   dnl once only, before all statements that occur in other macros.
+   AC_REQUIRE([gl_SPAWN_H_DEFAULTS])
+ 
+-  AC_CHECK_FUNCS_ONCE([posix_spawn])
++  LIB_POSIX_SPAWN=
++  AC_SUBST([LIB_POSIX_SPAWN])
++  gl_saved_libs=$LIBS
++    AC_SEARCH_LIBS([posix_spawn], [rt],
++                   [test "$ac_cv_search_posix_spawn" = "none required" ||
++                    LIB_POSIX_SPAWN=$ac_cv_search_posix_spawn])
++    AC_CHECK_FUNCS([posix_spawn])
++  LIBS=$gl_saved_libs
+   if test $ac_cv_func_posix_spawn != yes; then
+     HAVE_POSIX_SPAWN=0
+   fi

package/coreutils/patches/patch-man_local_mk

@@ -1,5 +1,5 @@
---- coreutils-8.21.orig/man/local.mk	2013-02-05 15:01:21.000000000 +0100
-+++ coreutils-8.21/man/local.mk	2013-11-04 20:32:38.000000000 +0100
+--- coreutils-8.22.orig/man/local.mk	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/man/local.mk	2014-02-21 16:08:08.000000000 +0100
 @@ -18,12 +18,7 @@
  
  EXTRA_DIST += man/help2man man/dummy-man
@@ -8,8 +8,9 @@
 -if HAVE_PERL
 -run_help2man = $(PERL) -- $(srcdir)/man/help2man
 -else
- run_help2man = $(SHELL) $(srcdir)/man/dummy-man
+-run_help2man = $(SHELL) $(srcdir)/man/dummy-man
 -endif
++run_help2man = echo
  
  man1_MANS = @man1_MANS@
  EXTRA_DIST += $(man1_MANS:.1=.x)