zephyr: Enable building of modsocket.

zephyr/Makefile

@@ -32,17 +32,23 @@ INC += -I.
 INC += -I..
 INC += -I$(BUILD)
 INC += -I$(ZEPHYR_BASE)/include -I$(ZEPHYR_BASE) \
+    -I$(ZEPHYR_BASE)/net/ip -I$(ZEPHYR_BASE)/net/ip/contiki -I$(ZEPHYR_BASE)/net/ip/contiki/os \
     -Ioutdir/$(OUTDIR_PREFIX)/misc/generated/sysgen \
     -I$(dir $(Z_AUTOCONF_H))
 
 SRC_C = main.c \
 	uart_core.c \
+	modsocket.c \
 	lib/utils/stdout_helpers.c \
 	lib/utils/printf.c \
 	lib/utils/pyexec.c \
 	lib/mp-readline/readline.c \
+	lib/netutils/netutils.c \
 	$(SRC_MOD)
 
+# List of sources for qstr extraction
+SRC_QSTR += $(SRC_C)
+
 OBJ = $(PY_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
 
 COPT = -Os -DNDEBUG -fdata-sections -ffunction-sections

zephyr/mpconfigport.h

@@ -47,5 +47,10 @@ typedef long mp_off_t;
 #define MICROPY_PORT_ROOT_POINTERS \
     const char *readline_hist[8];
 
+extern const struct _mp_obj_module_t mp_module_socket;
+
+#define MICROPY_PORT_BUILTIN_MODULES \
+    { MP_ROM_QSTR(MP_QSTR_usocket), MP_ROM_PTR(&mp_module_socket) }, \
+
 // Include Zephyr's autoconf.h, which should be made first by Zephyr makefiles
 #include "autoconf.h"