add --disable-talloc option to build without talloc support
diff --git a/configure.in b/configure.in
index a5c5f6b..1154196 100644
--- a/configure.in
+++ b/configure.in
@@ -30,6 +30,12 @@
 dnl Generate the output
 AM_CONFIG_HEADER(config.h)
 
+AC_ARG_ENABLE(talloc,
+	[  --disable-talloc Support message buffer ],
+	[enable_talloc=0], [enable_talloc=1])
+
+AM_CONDITIONAL(ENABLE_TALLOC, test "x$enable_talloc" = "x1")
+
 AC_OUTPUT(
 	libosmocore.pc
 	include/osmocore/Makefile