File stereodemux-obey-cflags.patch of Package stereodemux

diff --git a/Makefile b/Makefile
index 1933b70..1cedc8e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,2 +1,5 @@
+CFLAGS += -std=gnu++11 -Wall -Wextra
+LDFLAGS += -lliquid
+CC = g++
 demux: demux.cc
-	g++ -std=gnu++11 -Wall -Wextra -O3 -o demux demux.cc liquid_wrappers.cc -lliquid
+	$(CC) $(CFLAGS) -o demux demux.cc liquid_wrappers.cc $(LDFLAGS)