diff -r 29a300533bda -r 3caa19520689 streamlet-examples/Makefile
--- a/streamlet-examples/Makefile	Sat Apr 24 20:03:18 2021 +0200
+++ b/streamlet-examples/Makefile	Sat Apr 24 20:03:39 2021 +0200
@@ -15,7 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-all: xpath pid jar_info zip_info
+all: xpath pid qr jar_info zip_info
 	
 .PHONY: all clean
 
@@ -25,6 +25,9 @@
 pid: streamlet-common.h pid.cpp
 	g++ -g -fno-omit-frame-pointer -fsanitize=address pid.cpp -o pid
 
+qr: streamlet-common.h qr.cpp
+	g++ -g -fno-omit-frame-pointer -fsanitize=address qr.cpp -o qr $(shell pkg-config --libs --cflags relpipe-lib-xmlwriter.cpp zbar Magick++)
+
 jar_info: Streamlet.java JarInfo.java
 	javac JarInfo.java
 	jar cfe jar_info JarInfo Streamlet*.class JarInfo.class