[gprs] Move all GPRS related code to src/gprs subdirectory
diff --git a/openbsc/src/Makefile.am b/openbsc/src/Makefile.am
index 18245ed..9dcdea0 100644
--- a/openbsc/src/Makefile.am
+++ b/openbsc/src/Makefile.am
@@ -2,9 +2,12 @@
 AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS)
 AM_LDFLAGS = $(LIBOSMOCORE_LIBS)
 
+# build current directory before building gprs
+SUBDIRS = . gprs
+
 sbin_PROGRAMS = bsc_hack bs11_config ipaccess-find ipaccess-config \
-                isdnsync bsc_mgcp ipaccess-proxy osmo-gbproxy osmo-sgsn
-noinst_LIBRARIES = libbsc.a libmsc.a libvty.a libsccp.a libsgsn.a
+                isdnsync bsc_mgcp ipaccess-proxy
+noinst_LIBRARIES = libbsc.a libmsc.a libvty.a libsccp.a
 noinst_HEADERS = vty/cardshell.h
 
 bscdir = $(libdir)
@@ -19,9 +22,6 @@
 		rtp_proxy.c bts_siemens_bs11.c bts_ipaccess_nanobts.c \
 		bts_unknown.c bsc_version.c bsc_api.c
 
-libsgsn_a_SOURCES = gprs_ns.c gprs_bssgp.c gprs_llc.c gsm_04_08_gprs.c \
-		crc24.c gprs_sgsn.c
-
 libmsc_a_SOURCES = gsm_subscriber.c db.c \
 		mncc.c gsm_04_08.c gsm_04_11.c transaction.c \
 		token_auth.c rrlp.c gsm_04_80.c ussd.c silent_call.c \
@@ -50,11 +50,3 @@
 bsc_mgcp_LDADD = libvty.a
 
 ipaccess_proxy_SOURCES = ipaccess/ipaccess-proxy.c debug.c
-
-osmo_gbproxy_SOURCES = gb_proxy.c gb_proxy_main.c gb_proxy_vty.c \
-			gprs_ns.c socket.c debug.c
-osmo_gbproxy_LDADD = libvty.a
-
-osmo_sgsn_SOURCES = sgsn_main.c sgsn_vty.c \
-			socket.c debug.c
-osmo_sgsn_LDADD = libvty.a libsgsn.a