1 files changed, 9 insertions, 6 deletions

diff --git a/meta/recipes-connectivity/libnss-mdns/libnss-mdns_0.10.bb b/meta/recipes-connectivity/libnss-mdns/libnss-mdns_0.10.bb
index 8d2feec769..5be5e4fa32 100644
--- a/meta/recipes-connectivity/libnss-mdns/libnss-mdns_0.10.bb
+++ b/meta/recipes-connectivity/libnss-mdns/libnss-mdns_0.10.bb
@@ -28,13 +28,16 @@ DEBIANNAME_${PN} = "libnss-mdns"
 RDEPENDS_${PN} = "avahi-daemon"
 
 pkg_postinst_${PN} () {
-        sed -e '/^hosts:/s/\s*\<mdns\>//' \
-                -e 's/\(^hosts:.*\)\(\<files\>\)\(.*\)\(\<dns\>\)\(.*\)/\1\2 mdns4_minimal [NOTFOUND=return]\3\4 mdns\5/' \
-                -i $D${sysconfdir}/nsswitch.conf
+        sed '
+                /^hosts:/ !b
+                /\<mdns\(4\|6\)\?\(_minimal\)\?\>/ b
+                s/\([[:blank:]]\+\)dns\>/\1mdns4_minimal [NOTFOUND=return] dns/g
+                ' -i $D${sysconfdir}/nsswitch.conf
 }
 
 pkg_prerm_${PN} () {
-        sed -e '/^hosts:/s/\s*\<mdns\>//' \
-                -e '/^hosts:/s/\s*mdns4_minimal\s\+\[NOTFOUND=return\]//' \
-                -i $D${sysconfdir}/nsswitch.conf
+        sed '
+                /^hosts:/ !b
+                s/[[:blank:]]\+mdns\(4\|6\)\?\(_minimal\( \[NOTFOUND=return\]\)\?\)\?//g
+                ' -i $D${sysconfdir}/nsswitch.conf
 }