classes/sanity.bbclass: Check stty settings and complain when tostop is present

tostop is known to make bitbake-1.8 processes hang. Make the user aware of the
upcoming issue and propose a solution to this problem.

1 files changed, 6 insertions, 1 deletions

diff --git a/classes/sanity.bbclass b/classes/sanity.bbclass
index 479abce7fa..33cdae33ac 100644
--- a/classes/sanity.bbclass
+++ b/classes/sanity.bbclass
@@ -90,7 +90,7 @@ def check_sanity(e):
 	if not check_app_exists('${BUILD_PREFIX}g++', e.data):
 		missing = missing + "C++ Compiler (${BUILD_PREFIX}g++),"
 
-	required_utilities = "patch help2man diffstat texi2html makeinfo cvs svn bzip2 tar gzip gawk md5sum"
+	required_utilities = "patch help2man diffstat texi2html makeinfo cvs svn bzip2 tar gzip gawk md5sum stty"
 
 	for util in required_utilities.split():
 		if not check_app_exists( util, e.data ):
@@ -109,6 +109,11 @@ def check_sanity(e):
 	if not oes_bb_conf:
 		messages = messages + 'You do not include OpenEmbeddeds version of conf/bitbake.conf\n'
 
+     # Check if the terminal has stty +tostop
+	if "tostop" in os.popen("stty").read():
+		messages = messages + "You have tostop in your stty terminal setting. This will make BitBake hang when executing. Execute stty -tostop fix this.\n"
+ 
+
 	if messages != "":
 		raise_sanity_error(messages)