move ipaccess tools into their own subdirectory

They will now be built fully inside src/ipaccess, using their
own Makefile.am

openbsc/configure.in

@@ -48,6 +48,7 @@ AC_OUTPUT(
     include/sccp/Makefile
     include/Makefile
     src/Makefile
+    src/ipaccess/Makefile
     src/gprs/Makefile
     tests/Makefile
     tests/debug/Makefile

openbsc/src/Makefile.am

@@ -3,10 +3,9 @@ AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS)
 AM_LDFLAGS = $(LIBOSMOCORE_LIBS)
 
 # build current directory before building gprs
-SUBDIRS = . gprs
+SUBDIRS = . ipaccess gprs
 
-sbin_PROGRAMS = bsc_hack bs11_config ipaccess-find ipaccess-config \
-                isdnsync bsc_mgcp ipaccess-proxy
+sbin_PROGRAMS = bsc_hack bs11_config isdnsync bsc_mgcp
 noinst_LIBRARIES = libbsc.a libmsc.a libvty.a libsccp.a
 noinst_HEADERS = vty/cardshell.h
 
@@ -38,15 +37,8 @@ bsc_hack_LDADD = libmsc.a libbsc.a libmsc.a libvty.a -ldl -ldbi $(LIBCRYPT)
 bs11_config_SOURCES = bs11_config.c abis_nm.c gsm_data.c debug.c \
 		      rs232.c bts_siemens_bs11.c
 
-ipaccess_find_SOURCES = ipaccess/ipaccess-find.c
-
-ipaccess_config_SOURCES = ipaccess/ipaccess-config.c ipaccess/ipaccess-firmware.c
-ipaccess_config_LDADD = libbsc.a libmsc.a libbsc.a libvty.a -ldl -ldbi $(LIBCRYPT)
-
 isdnsync_SOURCES = isdnsync.c
 
 bsc_mgcp_SOURCES = mgcp/mgcp_main.c mgcp/mgcp_protocol.c mgcp/mgcp_network.c mgcp/mgcp_vty.c \
 		   debug.c
 bsc_mgcp_LDADD = libvty.a
-
-ipaccess_proxy_SOURCES = ipaccess/ipaccess-proxy.c debug.c

openbsc/src/ipaccess/Makefile.am

@@ -0,0 +1,12 @@
+INCLUDES = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
+AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS)
+AM_LDFLAGS = $(LIBOSMOCORE_LIBS)
+
+sbin_PROGRAMS = ipaccess-find ipaccess-config ipaccess-proxy
+
+ipaccess_find_SOURCES = ipaccess-find.c
+
+ipaccess_config_SOURCES = ipaccess-config.c ipaccess-firmware.c
+ipaccess_config_LDADD = ../libbsc.a ../libmsc.a ../libbsc.a ../libvty.a -ldl -ldbi $(LIBCRYPT)
+
+ipaccess_proxy_SOURCES = ipaccess-proxy.c ../debug.c