oap: implement initial OAP API.
Add oap.[hc] and oap_messages.[hc].
Sponsored-by: On-Waves ehf
diff --git a/openbsc/src/gprs/Makefile.am b/openbsc/src/gprs/Makefile.am
index f012003..c8e3696 100644
--- a/openbsc/src/gprs/Makefile.am
+++ b/openbsc/src/gprs/Makefile.am
@@ -27,7 +27,8 @@
gprs_llc.c gprs_llc_parse.c gprs_llc_vty.c crc24.c \
sgsn_ctrl.c sgsn_auth.c gprs_subscriber.c \
gprs_gsup_messages.c gprs_utils.c gprs_gsup_client.c \
- gsm_04_08_gprs.c sgsn_cdr.c sgsn_ares.c
+ gsm_04_08_gprs.c sgsn_cdr.c sgsn_ares.c \
+ oap.c oap_messages.c
osmo_sgsn_LDADD = \
$(top_builddir)/src/libcommon/libcommon.a \
-lgtp $(OSMO_LIBS) $(LIBOSMOABIS_LIBS) $(LIBCARES_LIBS) \