steps towards making 'make distcheck' work
'make distcheck' checks for out-of-source-tree builds and whether
the distribution tarball includes all source files. This commit
fixes many problems, except some remaining with src/test still
to-be-fixd.
diff --git a/src/tests/Makefile.am b/src/tests/Makefile.am
index bcab7d4..122c663 100644
--- a/src/tests/Makefile.am
+++ b/src/tests/Makefile.am
@@ -1,16 +1,16 @@
-AM_CFLAGS = $(OSMOVTY_CFLAGS) $(OSMOCORE_CFLAGS) $(OSMOGSM_CFLAGS) $(OSMONETIF_CFLAGS) $(ASN1C_CFLAGS) $(OSMOSIGTRAN_CFLAGS) -g -I$(top_builddir)/src -I$(top_builddir)/src/hnbap/
+AM_CFLAGS = $(OSMOVTY_CFLAGS) $(OSMOCORE_CFLAGS) $(OSMOGSM_CFLAGS) $(OSMONETIF_CFLAGS) $(ASN1C_CFLAGS) $(OSMOSIGTRAN_CFLAGS) -g -I$(top_srcdir)/src -I$(top_srcdir)/src/hnbap/
COMMON_LIBS = $(OSMOVTY_LIBS) $(OSMOCORE_LIBS) $(OSMOGSM_LIBS) $(ASN1C_LIBS) $(OSMOSIGTRAN_LIBS) -lsctp
check_PROGRAMS = test-ranap test-helpers test-hnbap hnb-test dummy-cn
-HNBAP_FILES = $(top_builddir)/src/hnbap_common.c $(top_builddir)/src/hnbap_decoder.c $(top_builddir)/src/hnbap_encoder.c
-RUA_FILES = $(top_builddir)/src/rua_common.c $(top_builddir)/src/rua_decoder.c $(top_builddir)/src/rua_encoder.c
+HNBAP_FILES = $(top_srcdir)/src/hnbap_common.c $(top_srcdir)/src/hnbap_decoder.c $(top_srcdir)/src/hnbap_encoder.c
+RUA_FILES = $(top_srcdir)/src/rua_common.c $(top_srcdir)/src/rua_decoder.c $(top_srcdir)/src/rua_encoder.c
test_helpers_SOURCES = test-helpers.c
test_helpers_LDADD = $(COMMON_LIBS) $(top_builddir)/src/libosmo-ranap.la
-test_hnbap_SOURCES = $(top_builddir)/src/hnbap_common.c $(top_builddir)/src/hnbap_decoder.c test-hnbap.c test_common.c
+test_hnbap_SOURCES = $(top_srcdir)/src/hnbap_common.c $(top_srcdir)/src/hnbap_decoder.c test-hnbap.c test_common.c
test_hnbap_LDADD = $(COMMON_LIBS) $(top_builddir)/src/hnbap/libosmo-asn1-hnbap.a $(top_builddir)/src/libosmo-ranap.la
hnb_test_SOURCES = $(HNBAP_FILES) $(RUA_FILES) hnb-test.c rua_helper.c test_common.c