Merge pull request #1938 from dhalbert/4.0.x-merge-to-master-2019-06-11

Merge latest 4.0.x changes to master

Author: dhalbert

.travis.yml

@@ -21,7 +21,7 @@ git:
 # that SDK is shortest and add it there.  In the case of major re-organizations,
 # just try to make the builds "about equal in run time"
 env:
-  - TRAVIS_TESTS="unix docs translations website" TRAVIS_BOARDS="circuitplayground_express mini_sam_m4 grandcentral_m4_express capablerobot_usbhub pygamer pca10056 pca10059 feather_nrf52840_express makerdiary_nrf52840_mdk makerdiary_nrf52840_mdk_usb_dongle particle_boron particle_argon particle_xenon sparkfun_nrf52840_mini electronut_labs_papyr" TRAVIS_SDK=arm:nrf
+  - TRAVIS_TESTS="unix docs translations website" TRAVIS_BOARDS="circuitplayground_express mini_sam_m4 grandcentral_m4_express capablerobot_usbhub pygamer pca10056 pca10059 feather_nrf52840_express makerdiary_nrf52840_mdk makerdiary_nrf52840_mdk_usb_dongle particle_boron particle_argon particle_xenon sparkfun_nrf52840_mini electronut_labs_papyr electronut_labs_blip" TRAVIS_SDK=arm:nrf
   - TRAVIS_BOARDS="metro_m0_express metro_m4_express metro_m4_airlift_lite pirkey_m0 trellis_m4_express trinket_m0 sparkfun_lumidrive sparkfun_redboard_turbo bast_pro_mini_m0" TRAVIS_SDK=arm
   - TRAVIS_BOARDS="feather_radiofruit_zigbee gemma_m0 hallowing_m0_express itsybitsy_m0_express itsybitsy_m4_express meowmeow sam32 uchip escornabot_makech" TRAVIS_SDK=arm
   - TRAVIS_BOARDS="feather_m0_express_crickit feather_m0_rfm69 feather_m0_rfm9x feather_m4_express arduino_zero arduino_mkr1300 arduino_mkrzero pewpew10 kicksat-sprite ugame10 robohatmm1" TRAVIS_SDK=arm

Makefile

@@ -1,4 +1,4 @@
-# Makefile for Sphinx documentation
+# Top-level Makefile for documentation builds and miscellaneous tasks.
 #
 
 # You can set these variables from the command line.
@@ -215,3 +215,7 @@ check-translate: locale/circuitpython.pot $(wildcard locale/*.po)
 stubs:
 	rst2pyi $(VALIDATE) shared-bindings/ $(STUBDIR)
 	python setup.py sdist
+
+update-frozen-libraries:
+	@echo "Updating all frozen libraries to latest tagged version."
+	cd frozen; for library in *; do cd $$library; ../../tools/git-checkout-latest-tag.sh; cd ..; done

main.c

@@ -455,6 +455,11 @@ void gc_collect(void) {
     // This collects root pointers from the VFS mount table. Some of them may
     // have lost their references in the VM even though they are mounted.
     gc_collect_root((void**)&MP_STATE_VM(vfs_mount_table), sizeof(mp_vfs_mount_t) / sizeof(mp_uint_t));
+
+    #if CIRCUITPY_DISPLAYIO
+    displayio_gc_collect();
+    #endif
+
     // This naively collects all object references from an approximate stack
     // range.
     gc_collect_root((void**)sp, ((uint32_t)&_estack - sp) / sizeof(uint32_t));

ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk

@@ -28,6 +28,7 @@ FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Thermistor
 # Tweak inlining depending on language.
 ifeq ($(TRANSLATION), zh_Latn_pinyin)
 CFLAGS_INLINE_LIMIT = 25
+RELEASE_NEEDS_CLEAN_BUILD = 1
 else
 CFLAGS_INLINE_LIMIT = 55
 endif

ports/atmel-samd/boards/circuitplayground_express_crickit/mpconfigboard.mk

@@ -20,7 +20,8 @@ CHIP_FAMILY = samd21
 
 # Tweak inlining depending on language.
 ifeq ($(TRANSLATION), zh_Latn_pinyin)
-CFLAGS_INLINE_LIMIT = 35
+CFLAGS_INLINE_LIMIT = 23
+RELEASE_NEEDS_CLEAN_BUILD = 1
 else
 CFLAGS_INLINE_LIMIT = 55
 endif

ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk

@@ -15,4 +15,5 @@ CHIP_FAMILY = samd21
 # Tweak inlining depending on language.
 ifeq ($(TRANSLATION), zh_Latn_pinyin)
 CFLAGS_INLINE_LIMIT = 60
+RELEASE_NEEDS_CLEAN_BUILD = 1
 endif

ports/atmel-samd/boards/itsybitsy_m0_express/mpconfigboard.mk

@@ -15,6 +15,7 @@ CHIP_FAMILY = samd21
 # Tweak inlining depending on language.
 ifeq ($(TRANSLATION), zh_Latn_pinyin)
 CFLAGS_INLINE_LIMIT = 45
+RELEASE_NEEDS_CLEAN_BUILD = 1
 else
 CFLAGS_INLINE_LIMIT = 70
 endif

ports/atmel-samd/boards/metro_m0_express/mpconfigboard.mk

@@ -16,4 +16,5 @@ CHIP_FAMILY = samd21
 # Tweak inlining depending on language.
 ifeq ($(TRANSLATION), zh_Latn_pinyin)
 CFLAGS_INLINE_LIMIT = 50
+RELEASE_NEEDS_CLEAN_BUILD = 1
 endif

ports/atmel-samd/boards/pewpew10/mpconfigboard.mk

@@ -25,4 +25,5 @@ CIRCUITPY_SMALL_BUILD = 1
 # Tweak inlining depending on language.
 ifeq ($(TRANSLATION), zh_Latn_pinyin)
 CFLAGS_INLINE_LIMIT = 40
+RELEASE_NEEDS_CLEAN_BUILD = 1
 endif

ports/atmel-samd/boards/sparkfun_redboard_turbo/mpconfigboard.mk

@@ -16,4 +16,5 @@ EXTERNAL_FLASH_DEVICES = "W25Q32FV"
 # Tweak inlining depending on language.
 ifeq ($(TRANSLATION), zh_Latn_pinyin)
 CFLAGS_INLINE_LIMIT = 50
+RELEASE_NEEDS_CLEAN_BUILD = 1
 endif