systemd.bbclass: run code in populate_packages_prepend only if ${D} exists

All further manipulations need to be performed only once. This modication
avoids unwanted behaviour when inheriting rm_work.bbclass [1]

[1] http://lists.linuxtogo.org/pipermail/openembedded-devel/2012-February/038067.html

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/meta-oe/classes/systemd.bbclass b/meta-oe/classes/systemd.bbclass
index b2d4191d1..e13f09dc3 100644
--- a/meta-oe/classes/systemd.bbclass
+++ b/meta-oe/classes/systemd.bbclass
@@ -127,6 +127,8 @@ python populate_packages_prepend () {
                 bb.data.setVar('RDEPENDS_' + pkg, " " + " ".join(rdepends), d)
 
 
-        for pkg_systemd in d.getVar('SYSTEMD_PACKAGES', 1).split():
-                systemd_generate_package_scripts(pkg_systemd)
+        # run all modifications once when creating package
+        if os.path.exists('${D}'):
+                for pkg_systemd in d.getVar('SYSTEMD_PACKAGES', 1).split():
+                        systemd_generate_package_scripts(pkg_systemd)
 }