Move out gbproxy to its own subdir

Change-Id: I2cc98d3a276d953609bbbbaa9782a0112687791e
diff --git a/src/gbproxy/Makefile.am b/src/gbproxy/Makefile.am
new file mode 100644
index 0000000..6876f68
--- /dev/null
+++ b/src/gbproxy/Makefile.am
@@ -0,0 +1,46 @@
+AM_CPPFLAGS = \
+	$(all_includes) \
+	-I$(top_srcdir)/include \
+	-I$(top_builddir) \
+	$(NULL)
+
+AM_CFLAGS = \
+	-Wall \
+	-fno-strict-aliasing \
+	$(LIBOSMOCORE_CFLAGS) \
+	$(LIBOSMOGSM_CFLAGS) \
+	$(LIBOSMOVTY_CFLAGS) \
+	$(LIBOSMOCTRL_CFLAGS) \
+	$(LIBOSMOABIS_CFLAGS) \
+	$(LIBOSMOGB_CFLAGS) \
+	$(LIBOSMOGSUPCLIENT_CFLAGS) \
+	$(COVERAGE_CFLAGS) \
+	$(LIBGTP_CFLAGS) \
+	$(NULL)
+
+bin_PROGRAMS = \
+	osmo-gbproxy \
+	$(NULL)
+
+osmo_gbproxy_SOURCES = \
+	gb_proxy.c \
+	gb_proxy_main.c \
+	gb_proxy_vty.c \
+	gb_proxy_ctrl.c \
+	gb_proxy_patch.c \
+	gb_proxy_tlli.c \
+	gb_proxy_peer.c \
+	$(NULL)
+osmo_gbproxy_LDADD = \
+	$(top_builddir)/src/gprs/gprs_gb_parse.o \
+	$(top_builddir)/src/gprs/gprs_llc_parse.o \
+	$(top_builddir)/src/gprs/crc24.o \
+	$(top_builddir)/src/gprs/gprs_utils.o \
+	$(LIBOSMOCORE_LIBS) \
+	$(LIBOSMOGSM_LIBS) \
+	$(LIBOSMOVTY_LIBS) \
+	$(LIBOSMOCTRL_LIBS) \
+	$(LIBOSMOGB_LIBS) \
+	$(LIBGTP_LIBS) \
+	-lrt \
+	$(NULL)