all: update build constraints to Go 1.17

Do it all at once in preparation for Go 1.18 support.

To make this commit, I've simply modified the `fmt-check` Makefile
target to rewrite files instead of listing the differences. So this is a
fully mechanical change, it should not have introduced any errors.

builder/tools-builtin.go

@@ -1,3 +1,4 @@
+//go:build byollvm
 // +build byollvm
 
 package builder

builder/tools-external.go

@@ -1,3 +1,4 @@
+//go:build !byollvm
 // +build !byollvm
 
 package builder

src/device/arm/scb.go

@@ -1,6 +1,7 @@
 // Hand created file. DO NOT DELETE.
 // Cortex-M System Control Block-related definitions.
 
+//go:build cortexm
 // +build cortexm
 
 package arm

src/examples/can/feather-m4-can.go

@@ -1,3 +1,4 @@
+//go:build feather_m4_can
 // +build feather_m4_can
 
 package main

src/examples/caninterrupt/feather-m4-can.go

@@ -1,3 +1,4 @@
+//go:build feather_m4_can
 // +build feather_m4_can
 
 package main

src/examples/dac/circuitplay_express.go

@@ -1,3 +1,4 @@
+//go:build circuitplay_express
 // +build circuitplay_express
 
 package main

src/examples/dac/pyportal.go

@@ -1,3 +1,4 @@
+//go:build pyportal
 // +build pyportal
 
 package main

src/examples/pininterrupt/circuitplay-express.go

@@ -1,3 +1,4 @@
+//go:build circuitplay_express
 // +build circuitplay_express
 
 package main

src/examples/pininterrupt/pca10040.go

@@ -1,3 +1,4 @@
+//go:build pca10040
 // +build pca10040
 
 package main

src/examples/pininterrupt/stm32.go

@@ -1,3 +1,4 @@
+//go:build stm32
 // +build stm32
 
 package main

src/examples/pininterrupt/wioterminal.go

@@ -1,3 +1,4 @@
+//go:build wioterminal
 // +build wioterminal
 
 package main

src/examples/pwm/arduino-mega1280.go

@@ -1,3 +1,4 @@
+//go:build arduino_mega1280
 // +build arduino_mega1280
 
 package main

src/examples/pwm/arduino.go

@@ -1,3 +1,4 @@
+//go:build arduino
 // +build arduino
 
 package main

src/examples/pwm/bluepill.go

@@ -1,3 +1,4 @@
+//go:build bluepill
 // +build bluepill
 
 package main

src/examples/pwm/feather-m4.go

@@ -1,3 +1,4 @@
+//go:build feather_m4
 // +build feather_m4
 
 package main

src/examples/pwm/itsybitsy-m0.go

@@ -1,3 +1,4 @@
+//go:build itsybitsy_m0
 // +build itsybitsy_m0
 
 package main

src/examples/pwm/itsybitsy-m4.go

@@ -1,3 +1,4 @@
+//go:build itsybitsy_m4
 // +build itsybitsy_m4
 
 package main

src/examples/pwm/nucleo-f722ze.go

@@ -1,3 +1,4 @@
+//go:build stm32f7
 // +build stm32f7
 
 package main

src/examples/pwm/nucleo-l031k6.go

@@ -1,3 +1,4 @@
+//go:build stm32l0
 // +build stm32l0
 
 package main

src/examples/pwm/nucleo-l432kc.go

@@ -1,3 +1,4 @@
+//go:build stm32l4
 // +build stm32l4
 
 package main

src/examples/pwm/nucleo-l552ze.go

@@ -1,3 +1,4 @@
+//go:build stm32l5
 // +build stm32l5
 
 package main

src/examples/pwm/pico.go

@@ -1,3 +1,4 @@
+//go:build pico
 // +build pico
 
 package main

src/examples/pwm/stm32f4disco.go

@@ -1,3 +1,4 @@
+//go:build stm32f4disco
 // +build stm32f4disco
 
 package main

src/machine/board_arduino.go

@@ -1,3 +1,4 @@
+//go:build arduino
 // +build arduino
 
 package machine

src/machine/board_arduino_mega1280.go

@@ -1,3 +1,4 @@
+//go:build arduino_mega1280
 // +build arduino_mega1280
 
 package machine

src/machine/board_arduino_mega2560.go

@@ -1,3 +1,4 @@
+//go:build arduino_mega2560
 // +build arduino_mega2560
 
 package machine

src/machine/board_arduino_mkr1000.go

@@ -1,3 +1,4 @@
+//go:build arduino_mkr1000
 // +build arduino_mkr1000
 
 // This contains the pin mappings for the Arduino MKR1000 board.

src/machine/board_arduino_mkrwifi1010.go

@@ -1,3 +1,4 @@
+//go:build arduino_mkrwifi1010
 // +build arduino_mkrwifi1010
 
 // This contains the pin mappings for the Arduino MKR WiFi 1010 board.

src/machine/board_arduino_nano.go

@@ -1,3 +1,4 @@
+//go:build arduino_nano
 // +build arduino_nano
 
 package machine

src/machine/board_arduino_nano33.go

@@ -1,3 +1,4 @@
+//go:build arduino_nano33
 // +build arduino_nano33
 
 // This contains the pin mappings for the Arduino Nano33 IoT board.

src/machine/board_arduino_zero.go

@@ -1,3 +1,4 @@
+//go:build sam && atsamd21 && arduino_zero
 // +build sam,atsamd21,arduino_zero
 
 package machine

src/machine/board_atmega328p.go

@@ -1,3 +1,4 @@
+//go:build (avr && atmega328p) || arduino || arduino_nano
 // +build avr,atmega328p arduino arduino_nano
 
 package machine

src/machine/board_atsamd21.go

@@ -1,3 +1,4 @@
+//go:build (sam && atsamd21) || arduino_nano33 || circuitplay_express
 // +build sam,atsamd21 arduino_nano33 circuitplay_express
 
 package machine

src/machine/board_atsame54-xpro.go

@@ -1,3 +1,4 @@
+//go:build atsame54_xpro
 // +build atsame54_xpro
 
 package machine

src/machine/board_circuitplay_bluefruit.go

@@ -1,3 +1,4 @@
+//go:build circuitplay_bluefruit
 // +build circuitplay_bluefruit
 
 package machine

src/machine/board_circuitplay_express.go

@@ -1,3 +1,4 @@
+//go:build circuitplay_express
 // +build circuitplay_express
 
 package machine

src/machine/board_clue_alpha.go

@@ -1,3 +1,4 @@
+//go:build clue_alpha
 // +build clue_alpha
 
 package machine

src/machine/board_digispark.go

@@ -1,3 +1,4 @@
+//go:build digispark
 // +build digispark
 
 package machine

src/machine/board_esp32-coreboard-v2.go

@@ -1,3 +1,4 @@
+//go:build esp32_coreboard_v2
 // +build esp32_coreboard_v2
 
 package machine

src/machine/board_fe310.go

@@ -1,3 +1,4 @@
+//go:build hifive1b
 // +build hifive1b
 
 package machine

src/machine/board_feather-m0.go

@@ -1,3 +1,4 @@
+//go:build sam && atsamd21 && feather_m0
 // +build sam,atsamd21,feather_m0
 
 package machine

src/machine/board_feather-m4-can.go

@@ -1,3 +1,4 @@
+//go:build feather_m4_can
 // +build feather_m4_can
 
 package machine

src/machine/board_feather-m4.go

@@ -1,3 +1,4 @@
+//go:build feather_m4
 // +build feather_m4
 
 package machine

src/machine/board_feather-nrf52840-sense.go

@@ -1,3 +1,4 @@
+//go:build feather_nrf52840_sense
 // +build feather_nrf52840_sense
 
 package machine

src/machine/board_feather-nrf52840.go

@@ -1,3 +1,4 @@
+//go:build feather_nrf52840
 // +build feather_nrf52840
 
 package machine

src/machine/board_feather-stm32f405.go

@@ -1,3 +1,4 @@
+//go:build feather_stm32f405
 // +build feather_stm32f405
 
 package machine

src/machine/board_feather_rp2040.go

@@ -1,3 +1,4 @@
+//go:build feather_rp2040
 // +build feather_rp2040
 
 package machine

src/machine/board_grandcentral-m4.go

@@ -1,3 +1,4 @@
+//go:build grandcentral_m4
 // +build grandcentral_m4
 
 package machine

src/machine/board_hifive1b.go

@@ -1,3 +1,4 @@
+//go:build hifive1b
 // +build hifive1b
 
 package machine

src/machine/board_hifive1b_baremetal.go

@@ -1,3 +1,4 @@
+//go:build fe310 && hifive1b
 // +build fe310,hifive1b
 
 package machine

src/machine/board_itsybitsy-m0.go

@@ -1,3 +1,4 @@
+//go:build sam && atsamd21 && itsybitsy_m0
 // +build sam,atsamd21,itsybitsy_m0
 
 package machine

src/machine/board_itsybitsy-m4.go

@@ -1,3 +1,4 @@
+//go:build itsybitsy_m4
 // +build itsybitsy_m4
 
 package machine

src/machine/board_itsybitsy-nrf52840.go

@@ -1,3 +1,4 @@
+//go:build itsybitsy_nrf52840
 // +build itsybitsy_nrf52840
 
 package machine

src/machine/board_k210.go

@@ -1,3 +1,4 @@
+//go:build maixbit
 // +build maixbit
 
 // Chip datasheet: https://s3.cn-north-1.amazonaws.com.cn/dl.kendryte.com/documents/kendryte_datasheet_20181011163248_en.pdf

src/machine/board_lgt92.go

@@ -1,3 +1,4 @@
+//go:build lgt92
 // +build lgt92
 
 package machine

src/machine/board_m5stack.go

@@ -1,3 +1,4 @@
+//go:build m5stack
 // +build m5stack
 
 package machine

src/machine/board_m5stack_core2.go

@@ -1,3 +1,4 @@
+//go:build m5stack_core2
 // +build m5stack_core2
 
 package machine

src/machine/board_maixbit.go

@@ -1,3 +1,4 @@
+//go:build maixbit
 // +build maixbit
 
 package machine

src/machine/board_maixbit_baremetal.go

@@ -1,3 +1,4 @@
+//go:build k210 && maixbit
 // +build k210,maixbit
 
 package machine

src/machine/board_matrixportal-m4.go

@@ -1,3 +1,4 @@
+//go:build matrixportal_m4
 // +build matrixportal_m4
 
 package machine

src/machine/board_mdbt50qrx.go

@@ -1,3 +1,4 @@
+//go:build mdbt50qrx
 // +build mdbt50qrx
 
 package machine

src/machine/board_metro-m4-airlift.go

@@ -1,3 +1,4 @@
+//go:build metro_m4_airlift
 // +build metro_m4_airlift
 
 package machine

src/machine/board_microbit-v2.go

@@ -1,3 +1,4 @@
+//go:build microbit_v2
 // +build microbit_v2
 
 package machine

src/machine/board_microbit.go

@@ -1,3 +1,4 @@
+//go:build microbit
 // +build microbit
 
 package machine

src/machine/board_nano-rp2040.go

@@ -1,3 +1,4 @@
+//go:build nano_rp2040
 // +build nano_rp2040
 
 // This contains the pin mappings for the Arduino Nano RP2040 Connect board.

src/machine/board_nicenano.go

@@ -1,3 +1,4 @@
+//go:build nicenano
 // +build nicenano
 
 package machine

src/machine/board_nodemcu.go

@@ -1,3 +1,4 @@
+//go:build nodemcu
 // +build nodemcu
 
 // Pinout for the NodeMCU dev kit.

src/machine/board_nrf52840-mdk-usb-dongle.go

@@ -1,3 +1,4 @@
+//go:build nrf52840_mdk_usb_dongle
 // +build nrf52840_mdk_usb_dongle
 
 package machine

src/machine/board_nrf52840-mdk.go

@@ -1,3 +1,4 @@
+//go:build nrf52840_mdk
 // +build nrf52840_mdk
 
 package machine

src/machine/board_nucleof103rb.go

@@ -1,3 +1,4 @@
+//go:build nucleof103rb
 // +build nucleof103rb
 
 package machine

src/machine/board_nucleof722ze.go

@@ -1,3 +1,4 @@
+//go:build nucleof722ze
 // +build nucleof722ze
 
 package machine

src/machine/board_nucleol031k6.go

@@ -1,3 +1,4 @@
+//go:build nucleol031k6
 // +build nucleol031k6
 
 package machine

src/machine/board_nucleol432kc.go

@@ -1,3 +1,4 @@
+//go:build nucleol432kc
 // +build nucleol432kc
 
 package machine

src/machine/board_nucleol552ze.go

@@ -1,3 +1,4 @@
+//go:build nucleol552ze
 // +build nucleol552ze
 
 package machine

src/machine/board_p1am-100.go

@@ -1,3 +1,4 @@
+//go:build p1am_100
 // +build p1am_100
 
 // This contains the pin mappings for the ProductivityOpen P1AM-100 board.

src/machine/board_particle_argon.go

@@ -1,3 +1,4 @@
+//go:build particle_argon
 // +build particle_argon
 
 package machine

src/machine/board_particle_boron.go

@@ -1,3 +1,4 @@
+//go:build particle_boron
 // +build particle_boron
 
 package machine

src/machine/board_particle_xenon.go

@@ -1,3 +1,4 @@
+//go:build particle_xenon
 // +build particle_xenon
 
 package machine

src/machine/board_pca10031.go

@@ -1,3 +1,4 @@
+//go:build pca10031
 // +build pca10031
 
 // pca10031 is a nrf51 based dongle, intended for use in wireless applications.

src/machine/board_pca10040.go

@@ -1,3 +1,4 @@
+//go:build pca10040
 // +build pca10040
 
 package machine

src/machine/board_pca10056.go

@@ -1,3 +1,4 @@
+//go:build pca10056
 // +build pca10056
 
 package machine

src/machine/board_pca10059.go

@@ -1,3 +1,4 @@
+//go:build pca10059
 // +build pca10059
 
 package machine

src/machine/board_pico.go

@@ -1,3 +1,4 @@
+//go:build pico
 // +build pico
 
 package machine

src/machine/board_pinetime-devkit0.go

@@ -1,3 +1,4 @@
+//go:build pinetime_devkit0
 // +build pinetime_devkit0
 
 package machine

src/machine/board_pybadge.go

@@ -1,3 +1,4 @@
+//go:build pybadge
 // +build pybadge
 
 package machine

src/machine/board_pygamer.go

@@ -1,3 +1,4 @@
+//go:build sam && atsamd51 && pygamer
 // +build sam,atsamd51,pygamer
 
 package machine

src/machine/board_pyportal.go

@@ -1,3 +1,4 @@
+//go:build pyportal
 // +build pyportal
 
 package machine

src/machine/board_qtpy.go

@@ -1,3 +1,4 @@
+//go:build sam && atsamd21 && qtpy
 // +build sam,atsamd21,qtpy
 
 package machine

src/machine/board_reelboard.go

@@ -1,3 +1,4 @@
+//go:build reelboard
 // +build reelboard
 
 package machine

src/machine/board_stm32f469disco.go

@@ -1,3 +1,4 @@
+//go:build stm32f469disco
 // +build stm32f469disco
 
 package machine

src/machine/board_teensy36.go

@@ -1,3 +1,4 @@
+//go:build nxp && mk66f18 && teensy36
 // +build nxp,mk66f18,teensy36
 
 package machine

src/machine/board_teensy40.go

@@ -1,3 +1,4 @@
+//go:build teensy40
 // +build teensy40
 
 package machine

src/machine/board_trinket.go

@@ -1,3 +1,4 @@
+//go:build sam && atsamd21 && trinket_m0
 // +build sam,atsamd21,trinket_m0
 
 package machine

src/machine/board_wioterminal.go

@@ -1,3 +1,4 @@
+//go:build wioterminal
 // +build wioterminal
 
 package machine

src/machine/board_x9pro.go

@@ -1,3 +1,4 @@
+//go:build x9pro
 // +build x9pro
 
 package machine

src/machine/board_xiao.go

@@ -1,3 +1,4 @@
+//go:build sam && atsamd21 && xiao
 // +build sam,atsamd21,xiao
 
 package machine

src/machine/i2s.go

@@ -1,3 +1,4 @@
+//go:build sam
 // +build sam
 
 // This is the definition for I2S bus functions.

src/machine/machine_atmega.go

@@ -1,3 +1,4 @@
+//go:build avr && atmega
 // +build avr,atmega
 
 package machine

src/machine/machine_atmega1280.go

@@ -1,3 +1,4 @@
+//go:build avr && atmega1280
 // +build avr,atmega1280
 
 package machine

src/machine/machine_atmega1284p.go

@@ -1,3 +1,4 @@
+//go:build avr && atmega1284p
 // +build avr,atmega1284p
 
 package machine