Index: src/examples/runTests.sh
===================================================================
--- src/examples/runTests.sh	(revision 6e3ae004ea8f9a1e1cca1b0bc7eaf3fa1943d6e5)
+++ src/examples/runTests.sh	(revision f43a2005ea7c50cf156174a4ef6c796daf0fc3fa)
@@ -36,4 +36,6 @@
 make clean > /dev/null 2>&1
 
+ret_val=0
+
 for test in $tests; do
 	echo -n "    $test" | tee -a $logfile
@@ -41,4 +43,5 @@
 	# build, skipping to next test on error
 	if ! make -j 8 $test > tests/$test.make.txt 2>&1; then
+		ret_val=1
 		echo -e "\tFAILED with build error:" | tee -a $logfile
 		cat tests/$test.make.txt | tee -a $logfile
@@ -50,4 +53,5 @@
 	./$test < tests/$test.in.txt > tests/$test.run.txt 2>&1
 	if ! diff tests/$test.out.txt tests/$test.run.txt > tests/$test.diff.txt; then
+		ret_val=1
 		echo -e "\tFAILED with output mismatch:" | tee -a $logfile
 		cat tests/$test.diff.txt | tee -a $logfile
@@ -58,2 +62,4 @@
 	echo -e "\tPASSED" | tee -a $logfile
 done
+
+exit $((ret_val))