Depend on both libosmo-sigtran-dev and libosmo-sccp-dev

libmsc/a_iface.c and libmsc/a_iface_bssap.c still include
osmocom/sccp/sccp_types.h to get access to enums defining SCCP
cause values.  Until that is resolved, we have to keep the build
dependency to libosmo-sccp-dev

Change-Id: I957dcb2bcce216d0fd81a58bfe869aca0e4624a8
Related: OS#2601
diff --git a/configure.ac b/configure.ac
index 86bb870..601b438 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,6 +46,7 @@
 PKG_CHECK_MODULES(LIBOSMOABIS, libosmoabis >= 0.2.0)
 PKG_CHECK_MODULES(LIBOSMONETIF, libosmo-netif >= 0.1.0)
 PKG_CHECK_MODULES(LIBOSMOSIGTRAN, libosmo-sigtran >= 0.8.0)
+PKG_CHECK_MODULES(LIBOSMOSCCP, libosmo-sccp)
 PKG_CHECK_MODULES(LIBCRYPTO, libcrypto >= 0.9.5)
 PKG_CHECK_MODULES(LIBOSMOMGCPCLIENT, libosmo-mgcp-client >= 1.1.0)
 
diff --git a/debian/control b/debian/control
index c017e16..12d8364 100644
--- a/debian/control
+++ b/debian/control
@@ -15,6 +15,7 @@
                libsmpp34-dev,
                libasn1c-dev,
                libosmocore-dev,
+               libosmo-sccp-dev,
                libosmo-sigtran-dev,
                libosmo-abis-dev,
                libosmo-mgcp-client-dev,
diff --git a/src/libmsc/Makefile.am b/src/libmsc/Makefile.am
index c9b8bb4..fee9f44 100644
--- a/src/libmsc/Makefile.am
+++ b/src/libmsc/Makefile.am
@@ -14,6 +14,7 @@
 	$(LIBSMPP34_CFLAGS) \
 	$(LIBASN1C_CFLAGS) \
 	$(LIBOSMOSIGTRAN_CFLAGS) \
+	$(LIBOSMOSCCP_CFLAGS) \
 	$(NULL)
 
 noinst_HEADERS = \