prefix sub-directories containing libraries with 'lib'
... and make sure tests work again after restructuring
diff --git a/openbsc/src/osmo-nitb/Makefile.am b/openbsc/src/osmo-nitb/Makefile.am
index 55822e9..44cb023 100644
--- a/openbsc/src/osmo-nitb/Makefile.am
+++ b/openbsc/src/osmo-nitb/Makefile.am
@@ -6,5 +6,9 @@
osmo_nitb_SOURCES = bsc_hack.c
osmo_nitb_LDADD = -ldl -ldbi $(LIBCRYPT) $(LIBOSMOVTY_LIBS) \
- ../bsc/libbsc.a ../msc/libmsc.a ../bsc/libbsc.a ../trau/libtrau.a ../abis/libabis.a \
- ../common/libcommon.a
+ $(top_builddir)/src/libbsc/libbsc.a \
+ $(top_builddir)/src/libmsc/libmsc.a \
+ $(top_builddir)/src/libbsc/libbsc.a \
+ $(top_builddir)/src/libtrau/libtrau.a \
+ $(top_builddir)/src/libabis/libabis.a \
+ $(top_builddir)/src/libcommon/libcommon.a