unix: Don't include system headers when features are disabled.

Because the target system may not have these headers at all.

Signed-off-by: YAMAMOTO Takashi <yamamoto@midokura.com>

ports/unix/modsocket.c

@@ -25,6 +25,10 @@
  * THE SOFTWARE.
  */
 
+#include "py/mpconfig.h"
+
+#if MICROPY_PY_SOCKET
+
 #include <stdio.h>
 #include <assert.h>
 #include <string.h>
@@ -49,8 +53,6 @@
 #include "extmod/vfs.h"
 #include <poll.h>
 
-#if MICROPY_PY_SOCKET
-
 /*
   The idea of this module is to implement reasonable minimum of
   socket-related functions to write typical clients and servers.

ports/unix/modtermios.c

@@ -24,6 +24,8 @@
  * THE SOFTWARE.
  */
 
+#if MICROPY_PY_TERMIOS
+
 #include <sys/types.h>
 #include <termios.h>
 #include <unistd.h>
@@ -33,8 +35,6 @@
 #include "py/runtime.h"
 #include "py/mphal.h"
 
-#if MICROPY_PY_TERMIOS
-
 STATIC mp_obj_t mod_termios_tcgetattr(mp_obj_t fd_in) {
     struct termios term;
     int fd = mp_obj_get_int(fd_in);

ports/unix/mpbtstackport_h4.c

@@ -24,14 +24,16 @@
  * THE SOFTWARE.
  */
 
+#include "py/mpconfig.h"
+
+#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_BTSTACK && MICROPY_BLUETOOTH_BTSTACK_H4
+
 #include <pthread.h>
 
 #include "py/runtime.h"
 #include "py/mperrno.h"
 #include "py/mphal.h"
 
-#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_BTSTACK && MICROPY_BLUETOOTH_BTSTACK_H4
-
 #include "lib/btstack/src/hci_transport_h4.h"
 #include "lib/btstack/chipset/zephyr/btstack_chipset_zephyr.h"
 

ports/unix/mpbtstackport_usb.c

@@ -24,6 +24,10 @@
  * THE SOFTWARE.
  */
 
+#include "py/mpconfig.h"
+
+#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_BTSTACK && MICROPY_BLUETOOTH_BTSTACK_USB
+
 #include <pthread.h>
 #include <unistd.h>
 
@@ -31,8 +35,6 @@
 #include "py/mperrno.h"
 #include "py/mphal.h"
 
-#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_BTSTACK && MICROPY_BLUETOOTH_BTSTACK_USB
-
 #include "lib/btstack/src/btstack.h"
 #include "lib/btstack/src/hci_transport_usb.h"
 #include "lib/btstack/platform/embedded/btstack_run_loop_embedded.h"