meta: replace os.system with subprocess.call

Replace os.system with subprocess.call since the older function would
fail (more or less) silently if the executed program cannot be found

More info:
http://docs.python.org/library/subprocess.html#subprocess-replacements

[YOCTO #2454]

(From OE-Core rev: a07d03cc6f67c88feb9813ae7deb6e4a93552dfe)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/meta/classes/package_deb.bbclass b/meta/classes/package_deb.bbclass
index 4096fa2b89..0a3e976ff7 100644
--- a/meta/classes/package_deb.bbclass
+++ b/meta/classes/package_deb.bbclass
@@ -205,6 +205,7 @@ deb_log_check() {
 python do_package_deb () {
     import re, copy
     import textwrap
+    import subprocess
 
     workdir = d.getVar('WORKDIR', True)
     if not workdir:
@@ -384,7 +385,7 @@ python do_package_deb () {
             conffiles.close()
 
         os.chdir(basedir)
-        ret = os.system("PATH=\"%s\" dpkg-deb -b %s %s" % (localdata.getVar("PATH", True), root, pkgoutdir))
+        ret = subprocess.call("PATH=\"%s\" dpkg-deb -b %s %s" % (localdata.getVar("PATH", True), root, pkgoutdir), shell=True)
         if ret != 0:
             bb.utils.prunedir(controldir)
             bb.utils.unlockfile(lf)