From: Paul Eggleton <paul.eggleton@linux.intel.com>
Date: Mon, 9 Jul 2012 12:38:39 +0000 (+0100)
Subject: classes/rootfs_deb: use more reliable check for package existence
X-Git-Tag: lucaceresoli/bug-15201-perf-libtraceevent-missing~40858
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac62761a9cacdfd0225d2db5a75584e6c85469a8;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git

classes/rootfs_deb: use more reliable check for package existence

It turns out "apt-cache showpkg" does return some information when a
package does not exist but another package recommends it, which can
occur for empty *-dev packages; so use "apt-cache policy" with a
different line count instead.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
---

diff --git a/meta/classes/rootfs_deb.bbclass b/meta/classes/rootfs_deb.bbclass
index 4ea71daedcb..67871a9087a 100644
--- a/meta/classes/rootfs_deb.bbclass
+++ b/meta/classes/rootfs_deb.bbclass
@@ -111,7 +111,7 @@ list_package_recommends() {
 }
 
 rootfs_check_package_exists() {
-	if [ `apt-cache showpkg $1 | wc -l` -gt 2 ]; then
+	if [ `apt-cache policy $1 | wc -l` -gt 4 ]; then
 		echo $1
 	fi
 }