diff --git a/Makefile.dbg b/Makefile.dbg
new file mode 100644
index 00000000..79b0c106
--- /dev/null
+++ b/Makefile.dbg
@@ -0,0 +1,4 @@
+#CFLAGS+=-Wunreachable-code
+#CFLAGS+=-O0
+#CFLAGS+=-DDO_TIMING_CHECKS
+#CFLAGS+=-DUSE_ABSTRACT_NAMESPACE
diff --git a/Makefile.in b/Makefile.in
index e37c7e53..5abf8ca5 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -74,10 +74,7 @@ LDFLAGS=@LDFLAGS@ @PORTAUDIO_LIBS@ @SRC_LIBS@ @SPANDSP_LIBS@ @CODEC2_LIBS@ @PTHR
 
 CFLAGS=	@CPPFLAGS@ @CFLAGS@ @PORTAUDIO_CFLAGS@ @SRC_CFLAGS@ @SPANDSP_CFLAGS@ @PTHREAD_CFLAGS@ $(VOIPTEST_CFLAGS) 
 CFLAGS+=-Wall -Wno-unused-value
-#CFLAGS+=-Wunreachable-code
-#CFLAGS+=-O0
-CFLAGS+=-DDO_TIMING_CHECKS
-#CFLAGS+=-DUSE_ABSTRACT_NAMESPACE
+-include Makefile.dbg
 
 DEFS=	@DEFS@