extmod/extmod.mk: Make extmod.mk handle GIT_SUBMODULES.

This applies to nimble, btstack, axtls, mbedtls, lwip.

Rather than having the ports individually manage GIT_SUBMODULES for these
components, make extmod.mk append them when the relevant feature is
enabled.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

extmod/btstack/btstack.mk

@@ -2,6 +2,7 @@
 
 ifeq ($(MICROPY_BLUETOOTH_BTSTACK),1)
 
+GIT_SUBMODULES += lib/btstack
 MICROPY_BLUETOOTH_BTSTACK_USB ?= 0
 
 BTSTACK_EXTMOD_DIR = extmod/btstack

extmod/extmod.mk

@@ -100,6 +100,7 @@ CFLAGS_MOD += -DMICROPY_PY_USSL=1
 ifeq ($(MICROPY_SSL_AXTLS),1)
 CFLAGS_MOD += -DMICROPY_SSL_AXTLS=1 -I$(TOP)/lib/axtls/ssl -I$(TOP)/lib/axtls/crypto -I$(TOP)/extmod/axtls-include
 AXTLS_DIR = lib/axtls
+GIT_SUBMODULES += $(AXTLS_DIR)
 $(BUILD)/$(AXTLS_DIR)/%.o: CFLAGS += -Wno-all -Wno-unused-parameter -Wno-uninitialized -Wno-sign-compare -Wno-old-style-definition -Dmp_stream_errno=errno $(AXTLS_DEFS_EXTRA)
 SRC_MOD += $(addprefix $(AXTLS_DIR)/,\
 	ssl/asn1.c \
@@ -118,7 +119,7 @@ SRC_MOD += $(addprefix $(AXTLS_DIR)/,\
 	)
 else ifeq ($(MICROPY_SSL_MBEDTLS),1)
 MBEDTLS_DIR = lib/mbedtls
-CFLAGS_MOD += -DMICROPY_SSL_MBEDTLS=1 -I$(TOP)/$(MBEDTLS_DIR)/include
+GIT_SUBMODULES += $(MBEDTLS_DIR)
 SRC_MOD += lib/mbedtls_errors/mp_mbedtls_errors.c
 SRC_MOD += $(addprefix $(MBEDTLS_DIR)/library/,\
 	aes.c \
@@ -199,6 +200,7 @@ endif
 # lwip
 
 ifeq ($(MICROPY_PY_LWIP),1)
+GIT_SUBMODULES += lib/lwip
 # A port should add an include path where lwipopts.h can be found (eg extmod/lwip-include)
 LWIP_DIR = lib/lwip/src
 INC += -I$(TOP)/$(LWIP_DIR)/include

extmod/nimble/nimble.mk

@@ -17,6 +17,8 @@ CFLAGS_MOD += -DMICROPY_BLUETOOTH_NIMBLE_BINDINGS_ONLY=$(MICROPY_BLUETOOTH_NIMBL
 
 ifeq ($(MICROPY_BLUETOOTH_NIMBLE_BINDINGS_ONLY),0)
 
+GIT_SUBMODULES += lib/mynewt-nimble
+
 # On all ports where we provide the full implementation (i.e. not just
 # bindings like on ESP32), then we don't need to use the ringbuffer. In this
 # case, all NimBLE events are run by the MicroPython scheduler. On Unix, the

ports/mimxrt/Makefile

@@ -7,7 +7,7 @@ BOARD_DIR ?= boards/$(BOARD)
 BUILD ?= build-$(BOARD)
 PORT ?= /dev/ttyACM0
 CROSS_COMPILE ?= arm-none-eabi-
-GIT_SUBMODULES += lib/tinyusb lib/nxp_driver lib/lwip lib/mbedtls
+GIT_SUBMODULES += lib/tinyusb lib/nxp_driver
 
 # MicroPython feature configurations
 FROZEN_MANIFEST ?= boards/manifest.py

ports/stm32/Makefile

@@ -35,7 +35,7 @@ MBOOT_TEXT0_ADDR ?= 0x08000000
 include $(TOP)/py/py.mk
 include $(TOP)/extmod/extmod.mk
 
-GIT_SUBMODULES += lib/libhydrogen lib/lwip lib/mbedtls lib/stm32lib
+GIT_SUBMODULES += lib/libhydrogen lib/stm32lib
 
 query-variants:
 	$(ECHO) "VARIANTS:" $(BOARD_VARIANTS)
@@ -531,14 +531,12 @@ endif
 endif
 
 ifeq ($(MICROPY_BLUETOOTH_NIMBLE),1)
-GIT_SUBMODULES += lib/mynewt-nimble
 CFLAGS_MOD += -DMICROPY_PY_BLUETOOTH_ENABLE_L2CAP_CHANNELS=1
 include $(TOP)/extmod/nimble/nimble.mk
 SRC_C += mpnimbleport.c
 endif
 
 ifeq ($(MICROPY_BLUETOOTH_BTSTACK),1)
-GIT_SUBMODULES += lib/btstack
 MICROPY_BLUETOOTH_BTSTACK_H4 ?= 1
 include $(TOP)/extmod/btstack/btstack.mk
 SRC_C += mpbtstackport.c

ports/unix/Makefile

@@ -133,10 +133,9 @@ endif
 
 ifeq ($(MICROPY_PY_USSL),1)
 ifeq ($(MICROPY_SSL_AXTLS),1)
-GIT_SUBMODULES += lib/axtls
+
 endif
 ifeq ($(MICROPY_SSL_MBEDTLS),1)
-GIT_SUBMODULES += lib/mbedtls
 CFLAGS += -DMBEDTLS_CONFIG_FILE='"mbedtls/mbedtls_config.h"'
 endif
 endif
@@ -182,14 +181,12 @@ endif
 endif
 
 # BTstack is enabled.
-GIT_SUBMODULES += lib/btstack
 include $(TOP)/extmod/btstack/btstack.mk
 SRC_BTSTACK += lib/btstack/platform/embedded/btstack_run_loop_embedded.c
 
 else
 
 # NimBLE is enabled.
-GIT_SUBMODULES += lib/mynewt-nimble
 CFLAGS += -DMICROPY_PY_BLUETOOTH_ENABLE_L2CAP_CHANNELS=1
 include $(TOP)/extmod/nimble/nimble.mk
 

tools/ci.sh

@@ -198,8 +198,9 @@ function ci_mimxrt_setup {
 
 function ci_mimxrt_build {
     make ${MAKEOPTS} -C mpy-cross
-    make ${MAKEOPTS} -C ports/mimxrt submodules
+    make ${MAKEOPTS} -C ports/mimxrt BOARD=MIMXRT1020_EVK submodules
     make ${MAKEOPTS} -C ports/mimxrt BOARD=MIMXRT1020_EVK
+    make ${MAKEOPTS} -C ports/mimxrt BOARD=TEENSY40 submodules
     make ${MAKEOPTS} -C ports/mimxrt BOARD=TEENSY40
 }
 
@@ -310,6 +311,7 @@ function ci_stm32_setup {
 function ci_stm32_pyb_build {
     make ${MAKEOPTS} -C mpy-cross
     make ${MAKEOPTS} -C ports/stm32 MICROPY_PY_NETWORK_WIZNET5K=5200 submodules
+    make ${MAKEOPTS} -C ports/stm32 BOARD=PYBD_SF2 submodules
     git submodule update --init lib/btstack
     git submodule update --init lib/mynewt-nimble
     make ${MAKEOPTS} -C ports/stm32 BOARD=PYBV11 MICROPY_PY_NETWORK_WIZNET5K=5200 USER_C_MODULES=../../examples/usercmodule
@@ -326,7 +328,7 @@ function ci_stm32_pyb_build {
 
 function ci_stm32_nucleo_build {
     make ${MAKEOPTS} -C mpy-cross
-    make ${MAKEOPTS} -C ports/stm32 submodules
+    make ${MAKEOPTS} -C ports/stm32 BOARD=NUCLEO_H743ZI submodules
     git submodule update --init lib/mynewt-nimble
 
     # Test building various MCU families, some with additional options.