Consistenly format variables in */Makefile.am files
Change-Id: Ifa21513c007072314097b7bec188579972dc1694
diff --git a/openbsc/src/libtrau/Makefile.am b/openbsc/src/libtrau/Makefile.am
index 0fe3a53..46becd6 100644
--- a/openbsc/src/libtrau/Makefile.am
+++ b/openbsc/src/libtrau/Makefile.am
@@ -1,7 +1,31 @@
-AM_CPPFLAGS = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
-AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOVTY_CFLAGS) $(LIBOSMOABIS_CFLAGS) $(LIBOSMONETIF_CFLAGS) $(COVERAGE_CFLAGS)
-AM_LDFLAGS = $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS) $(LIBOSMOABIS_LIBS) $(COVERAGE_LDFLAGS)
+AM_CPPFLAGS = \
+ $(all_includes) \
+ -I$(top_srcdir)/include \
+ -I$(top_builddir) \
+ $(NULL)
-noinst_LIBRARIES = libtrau.a
+AM_CFLAGS = \
+ -Wall \
+ $(LIBOSMOCORE_CFLAGS) \
+ $(LIBOSMOVTY_CFLAGS) \
+ $(LIBOSMOABIS_CFLAGS) \
+ $(LIBOSMONETIF_CFLAGS) \
+ $(COVERAGE_CFLAGS) \
+ $(NULL)
-libtrau_a_SOURCES = rtp_proxy.c trau_mux.c trau_upqueue.c
+AM_LDFLAGS = \
+ $(LIBOSMOCORE_LIBS) \
+ $(LIBOSMOGSM_LIBS) \
+ $(LIBOSMOABIS_LIBS) \
+ $(COVERAGE_LDFLAGS) \
+ $(NULL)
+
+noinst_LIBRARIES = \
+ libtrau.a \
+ $(NULL)
+
+libtrau_a_SOURCES = \
+ rtp_proxy.c \
+ trau_mux.c \
+ trau_upqueue.c \
+ $(NULL)