package/coreutils: fix build with uclibc < 1.0.35

Build of coreutils with uclibc < 1.0.35 is broken since bump to version
9.0 in commit 2ee43bad85693d1c96e14f5b39ccb13a8982f50a:

In file included from ./lib/sys/random.h:40,
                 from lib/getrandom.c:22:
/home/giuliobenetti/autobuild/run/instance-3/output-1/host/x86_64-buildroot-linux-uclibc/sysroot/usr/include/sys/random.h:27:35: error: unknown type name 'size_t'
   27 | extern int getrandom(void *__buf, size_t count, unsigned int flags)
      |                                   ^~~~~~
/home/giuliobenetti/autobuild/run/instance-3/output-1/host/x86_64-buildroot-linux-uclibc/sysroot/usr/include/sys/random.h:8:1: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
    7 | #include <features.h>
  +++ |+#include <stddef.h>
    8 |

Fixes:
 - http://autobuild.buildroot.org/results/c69f5c8b8e53ed3de753f0c6d2cdd99497504b49

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/coreutils/0001-lib-getrandom.c-fix-build-with-uclibc-1.0.35.patch

@@ -0,0 +1,46 @@
+From a0594387565e1e6b4a8a8ba04ad13b135cc1f0b5 Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Thu, 1 Apr 2021 07:49:46 +0200
+Subject: [PATCH] lib/getrandom.c: fix build with uclibc < 1.0.35
+
+Fix the following build failure with uclibc < 1.0.35 which is raised
+since the addition of getrandom module in
+https://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=682cc4e678aceff32dea2a84b6e5147bdf5a20a7:
+
+In file included from ./sys/random.h:40,
+                 from getrandom.c:22:
+/home/fabrice/buildroot/output/host/x86_64-buildroot-linux-uclibc/sysroot/usr/include/sys/random.h:27:35: error: unknown type name 'size_t'
+   27 | extern int getrandom(void *__buf, size_t count, unsigned int flags)
+      |                                   ^~~~~~
+/home/fabrice/buildroot/output/host/x86_64-buildroot-linux-uclibc/sysroot/usr/include/sys/random.h:8:1: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
+    7 | #include <features.h>
+  +++ |+#include <stddef.h>
+    8 |
+
+This patch is not upstreamable as it is only a workaround for
+uclibc < 1.0.35, upstream uclibc has been patched with
+https://github.com/wbx-github/uclibc-ng/commit/00972c02c2b6e0a95d5def4a71bdfb188e091782
+
+Fixes:
+ - http://autobuild.buildroot.org/results/c69f5c8b8e53ed3de753f0c6d2cdd99497504b49
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ lib/getrandom.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/lib/getrandom.c b/lib/getrandom.c
+index 41212fb32..0ad3f9648 100644
+--- a/lib/getrandom.c
++++ b/lib/getrandom.c
+@@ -19,6 +19,7 @@
+ 
+ #include <config.h>
+ 
++#include <stddef.h>
+ #include <sys/random.h>
+ 
+ #include <errno.h>
+-- 
+2.30.2
+