[OE-core] [PATCH 1/1] linux-libc-headers: set ALLOW_EMPTY

[Jian Liu]

If setting IMAGE_INSTALL += "linux-libc-headers", do_rootfs will cause
error.
  ERROR: linux-libc-headers not found in the base feeds

This is because that there is no linux-libc-headers.rpm generated.

Signed-off-by: Jian Liu <jian.liu at windriver.com>

diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
index 2ba6ed5..403360b 100644
--- a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
+++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
@@ -76,3 +76,5 @@ RRECOMMENDS_${PN}-dbg = "${PN}-dev (= ${EXTENDPKGV})"
 
 INHIBIT_DEFAULT_DEPS = "1"
 DEPENDS += "unifdef-native"
+
+ALLOW_EMPTY_${PN} = "1"