sanity.bbclass: make a warning about dash being used as /bin/sh (from Poky)

gtk+ fails with dash

diff --git a/classes/sanity.bbclass b/classes/sanity.bbclass
index e442bf1..da3e630 100644 (file)
--- a/classes/sanity.bbclass
+++ b/classes/sanity.bbclass
@@ -112,6 +112,9 @@ def check_sanity(e):
                missing = missing.rstrip(',')
                messages = messages + "Please install following missing utilities: %s\n" % missing
 
+       if os.path.basename(os.readlink('/bin/sh')) == 'dash':
+               messages = messages + "Using dash as /bin/sh causes various subtle build problems, please use bash instead.\n"
+
        omask = os.umask(022)
        if omask & 0755:
                messages = messages + "Please use a umask which allows a+rx and u+rwx\n"