diff --git a/openbsc/src/osmo-bsc_mgcp/Makefile.am b/openbsc/src/osmo-bsc_mgcp/Makefile.am
index a48f24b..a19a4eb 100644
--- a/openbsc/src/osmo-bsc_mgcp/Makefile.am
+++ b/openbsc/src/osmo-bsc_mgcp/Makefile.am
@@ -1,14 +1,35 @@
-AM_CPPFLAGS = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
-AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) \
-	$(LIBOSMOVTY_CFLAGS) $(LIBOSMOABIS_CFLAGS) \
-	$(LIBOSMONETIF_CFLAGS) $(COVERAGE_CFLAGS)
+AM_CPPFLAGS = \
+	$(all_includes) \
+	-I$(top_srcdir)/include \
+	-I$(top_builddir) \
+	$(NULL)
 
-bin_PROGRAMS = osmo-bsc_mgcp
+AM_CFLAGS = \
+	-Wall \
+	$(LIBOSMOCORE_CFLAGS) \
+	$(LIBOSMOGSM_CFLAGS) \
+	$(LIBOSMOVTY_CFLAGS) \
+	$(LIBOSMOABIS_CFLAGS) \
+	$(LIBOSMONETIF_CFLAGS) \
+	$(COVERAGE_CFLAGS) \
+	$(NULL)
 
-osmo_bsc_mgcp_SOURCES = mgcp_main.c
+bin_PROGRAMS = \
+	osmo-bsc_mgcp \
+	$(NULL)
 
-osmo_bsc_mgcp_LDADD = $(top_builddir)/src/libcommon/libcommon.a \
-		 $(top_builddir)/src/libmgcp/libmgcp.a -lrt \
-		 $(LIBOSMOVTY_LIBS) $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS) \
-		 $(LIBOSMONETIF_LIBS) $(LIBBCG729_LIBS) \
-		 $(LIBRARY_GSM)
+osmo_bsc_mgcp_SOURCES = \
+	mgcp_main.c \
+	$(NULL)
+
+osmo_bsc_mgcp_LDADD = \
+	$(top_builddir)/src/libcommon/libcommon.a \
+	$(top_builddir)/src/libmgcp/libmgcp.a \
+	$(LIBOSMOVTY_LIBS) \
+	$(LIBOSMOCORE_LIBS) \
+	$(LIBOSMOGSM_LIBS) \
+	$(LIBOSMONETIF_LIBS) \
+	$(LIBBCG729_LIBS) \
+	$(LIBRARY_GSM) \
+	-lrt \
+	$(NULL)