Consistenly format variables in */Makefile.am files
Change-Id: Ifa21513c007072314097b7bec188579972dc1694
diff --git a/openbsc/src/libcommon/Makefile.am b/openbsc/src/libcommon/Makefile.am
index 75f40ee..6cfebc2 100644
--- a/openbsc/src/libcommon/Makefile.am
+++ b/openbsc/src/libcommon/Makefile.am
@@ -1,9 +1,29 @@
-AM_CPPFLAGS = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
-AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) \
- $(LIBOSMOVTY_CFLAGS) $(LIBOSMOABIS_CFLAGS) $(COVERAGE_CFLAGS)
+AM_CPPFLAGS = \
+ $(all_includes) \
+ -I$(top_srcdir)/include \
+ -I$(top_builddir) \
+ $(NULL)
-noinst_LIBRARIES = libcommon.a
+AM_CFLAGS = \
+ -Wall \
+ $(LIBOSMOCORE_CFLAGS) \
+ $(LIBOSMOGSM_CFLAGS) \
+ $(LIBOSMOVTY_CFLAGS) \
+ $(LIBOSMOABIS_CFLAGS) \
+ $(COVERAGE_CFLAGS) \
+ $(NULL)
-libcommon_a_SOURCES = bsc_version.c common_vty.c debug.c gsm_data.c \
- gsm_data_shared.c socket.c talloc_ctx.c \
- gsm_subscriber_base.c
+noinst_LIBRARIES = \
+ libcommon.a \
+ $(NULL)
+
+libcommon_a_SOURCES = \
+ bsc_version.c \
+ common_vty.c \
+ debug.c \
+ gsm_data.c \
+ gsm_data_shared.c \
+ socket.c \
+ talloc_ctx.c \
+ gsm_subscriber_base.c \
+ $(NULL)