package.bbclass: Add sanity check for duplicates in PACKAGES (bug 674)

diff --git a/classes/package.bbclass b/classes/package.bbclass
index d32cf53..97e091c 100644 (file)
--- a/classes/package.bbclass
+++ b/classes/package.bbclass
@@ -241,6 +241,14 @@ python populate_packages () {
                        return 0
                return (s[stat.ST_MODE] & stat.S_IEXEC)
 
+       # Sanity check PACKAGES for duplicates - should be moved to 
+       # sanity.bbclass once we have he infrastucture
+       pkgs = []
+       for pkg in packages.split():
+               if pkg in pkgs:
+                       bb.error("%s is listed in PACKAGES mutliple times. Undefined behaviour will result." % pkg)
+               pkgs += pkg
+
        for pkg in packages.split():
                localdata = bb.data.createCopy(d)
                root = os.path.join(workdir, "install", pkg)