diff -rupN iax-0.2.3/src/Makefile.am iax-0.2.3-new/src/Makefile.am
--- iax-0.2.3/src/Makefile.am	2008-04-07 18:05:41.000000000 +0200
+++ iax-0.2.3-new/src/Makefile.am	2015-01-07 19:03:47.635935487 +0100
@@ -1,6 +1,5 @@
-AM_CFLAGS = -Wall -O2
-AM_CFLAGS += -g -Wall -Wstrict-prototypes -I .
-AM_CFLAGS += -DDEBUG_SUPPORT -DLIBIAX
+AM_CFLAGS = -I .
+AM_CFLAGS += -DLIBIAX
 AM_CFLAGS += -fsigned-char
 # -DDEBUG_DEFAULT 
 AM_CFLAGS += $(UCFLAGS)
@@ -9,14 +8,16 @@ AM_CFLAGS += $(UCFLAGS)
 pkgdir = $(libdir)
 pkg_LTLIBRARIES=libiax.la
 libiax_la_SOURCES = iax2-parser.c iax.c md5.c jitterbuf.c
+libiax_la_LDFLAGS = -version-info 1:0:0
 EXTRA_DIST = md5.h frame.h iax-client.h iax2.h iax2-parser.h jitterbuf.h
 
 install-data-local:
-	mkdir -p $(includedir)/iax
-	install -m 644 md5.h $(includedir)/iax
-	install -m 644 frame.h $(includedir)/iax
-	install -m 644 iax.h $(includedir)/iax
-	install -m 644 iax2.h $(includedir)/iax
-	install -m 644 iax2-parser.h $(includedir)/iax
-	install -m 644 iax-client.h $(includedir)/iax
+	mkdir -p $(DESTDIR)$(includedir)/iax
+	install -m 644 md5.h $(DESTDIR)$(includedir)/iax
+	install -m 644 frame.h $(DESTDIR)$(includedir)/iax
+	install -m 644 iax.h $(DESTDIR)$(includedir)/iax
+	install -m 644 iax2.h $(DESTDIR)$(includedir)/iax
+	install -m 644 iax2-parser.h $(DESTDIR)$(includedir)/iax
+	install -m 644 iax-client.h $(DESTDIR)$(includedir)/iax
+	install -m 644 jitterbuf.h $(DESTDIR)$(includedir)/iax