grub-efi-native: fix build on modern distributions without gets()

O irony: the grub2/gnulib nag macro that says "don't use gets, use fgets" breaks the build if you're using a recent (e)glibc release that has gets removed.

Fedora already #if 0's the check in grub, so I stole their patch.

(From OE-Core rev: 261e377b08388a288ee521a3629877b89e18e42b)

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-bsp/grub/files/grub-2.00-ignore-gnulib-gets-stupidity.patch

@@ -0,0 +1,28 @@
+From f66d54b934710f54999debb72e8b7c620edece1d Mon Sep 17 00:00:00 2001
+From: Peter Jones <pjones@redhat.com>
+Date: Fri, 25 May 2012 15:28:19 -0400
+Subject: [PATCH] gnulib accused in build breaking shocker.
+
+Upstream-Status: pending [Fedora will push this]
+
+---
+ grub-core/gnulib/stdio.in.h |    2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/grub-core/gnulib/stdio.in.h b/grub-core/gnulib/stdio.in.h
+index 80b9dbf..69932d9 100644
+--- a/grub-core/gnulib/stdio.in.h
++++ b/grub-core/gnulib/stdio.in.h
+@@ -141,7 +141,9 @@ _GL_WARN_ON_USE (fflush, "fflush is not always POSIX compliant - "
+    so any use of gets warrants an unconditional warning.  Assume it is
+    always declared, since it is required by C89.  */
+ #undef gets
++#if 0
+ _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
++#endif
+ 
+ #if @GNULIB_FOPEN@
+ # if @REPLACE_FOPEN@
+-- 
+1.7.10.1
+

meta/recipes-bsp/grub/grub-efi-native_2.00.bb

@@ -16,7 +16,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 # FIXME: We should be able to optionally drop freetype as a dependency
 DEPENDS = "autogen-native"
 RDEPENDS_${PN} = "diffutils freetype"
-PR = "r1"
+PR = "r2"
 
 # Native packages do not normally rebuild when the target changes.
 # Ensure this is built once per HOST-TARGET pair.
@@ -28,6 +28,7 @@ SRC_URI = "ftp://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \
            file://grub-2.00-disable-help2man.patch \
            file://check-if-liblzma-is-disabled.patch \
 	   file://grub-no-unused-result.patch \
+	   file://grub-2.00-ignore-gnulib-gets-stupidity.patch \
           "
 SRC_URI[md5sum] = "e927540b6eda8b024fb0391eeaa4091c"
 SRC_URI[sha256sum] = "65b39a0558f8c802209c574f4d02ca263a804e8a564bc6caf1cd0fd3b3cc11e3"