☂️ Add support for ARM macOS host #60118

jmagman · 2020-06-23T19:16:07Z

Umbrella issue tracking developing Flutter on macOS ARM.
Use case: developer buys ARM Mac, installs Flutter tooling on the Mac, deploys Flutter to an iPhone.

Build tool on macOS ARM
Build ARM host dependencies (iproxy, libimobiledevice). Rosetta translation?
IDE support
Infrastructure support

Note: this is tracking host-side issues. Running Flutter on ARM macOS as a target is tracked by #60113.

Wiki page: https://github.com/flutter/flutter/wiki/Developing-with-Flutter-on-Apple-Silicon

Update: Flutter should be fully working on M1 with Rosetta translation (particularly tooling and iOS simulator). The remaining work is to get it working natively without Rosetta.

Infrastructure

Add Mac M1 ARM machines to the prod pool #87508 Add Mac M1 ARM machines to the prod pool

Native host development (`flutter` tool)

Completed

Sub-issues

Update iOS and macOS engine builders to Xcode 12.0 #84601 Update iOS and macOS engine builders to Xcode 12.0
[flutter_tools] separate target platform, host platform, and architecture #60119 [flutter_tools] separate target platform, host platform, and architecture
Building flutter tool on ARM macOS host fails dart-lang/sdk#42534 Building flutter tool on ARM macOS host fails
Dart SDK support for macOS arm64 (Apple Silicon) dart-lang/sdk#42773 Dart SDK version is built for macOS ARM host
Setup Flutter engine environment and build engine on M1 (Apple Silicon ARM64) #96745 Support building the engine on macOS ARM hosts

Physical devices

"flutter build ios" fails on ARM macOS, ibtoold crashes compiling xcassets/storyboards #65133 "flutter build ios" fails on ARM macOS, ibtoold crashes compiling xcassets/storyboards
[doctor] Add macOS architecture to doctor output #65976 (comment) Add macOS architecture to doctor output for host
Add mac m1 machines to the staging pool #79430 Add mac m1 machines to the staging pool

Simulator

Plugin support

Work around ffi "symbol not found" error from CocoaPods on ARM Macs with x86_64 ffi gem #70796 Work around ffi "symbol not found" error from CocoaPods
SEVG on Apple silicon macOS ffi/ffi#800 SEVG on Apple silicon macOS
Support Apple Silicon ARM simulators invertase/firestore-ios-sdk-frameworks#16 firestore-ios-sdk-frameworks pre-built xcframeworks should support Apple Silicon ARM simulators
Apple Silicon CocoaPods workaround issue #73686 CocoaPods Rosetta workaround has issues
Mark google_maps_flutter as not supporting arm64 iOS simulators #87242 Mark google_maps_flutter as not supporting arm64 iOS simulator
Mark google_sign_in as not supporting arm64 iOS simulators #87243 Mark google_sign_in as not supporting arm64 iOS simulators
When plugins do not support ARM iOS simulators, the app fails to build #85713

Tracking Apple Silicon as a target device separately at #60113.

The text was updated successfully, but these errors were encountered:

cbenhagen · 2020-06-30T13:53:23Z

Building flutter tool on ARM macOS host currently fails with:

Building flutter tool...
oah error: unhandled 16KB-unaligned mmap addr=0x0 len=0xdd28c0 offset=0x1000 prot=1 flags=2
/Users/ben/development/flutter/bin/internal/shared.sh: line 20:  1298 Trace/BPT trap: 5       "$PUB" upgrade "$VERBOSITY" --no-precompile
Error: Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (9 tries left)

Leaving this here so it can be found by a google search. But maybe it should be moved to a separate issue?

jmagman · 2020-06-30T18:06:55Z

Leaving this here so it can be found by a google search. But maybe it should be moved to a separate issue?

Yes, can you file a separate issue? I heard about this but we don't have DTKs yet. I'll link it back to this umbrella meta issue.

jmagman · 2020-06-30T18:10:49Z

@cbenhagen Can you file in https://github.com/dart-lang/sdk ?

cbenhagen · 2020-06-30T18:27:14Z

Done: dart-lang/sdk#42534

christopherfujino · 2020-07-08T18:06:59Z

Just to cross reference, tracking linux arm host support on #56992

alexmarkley · 2020-09-19T18:25:15Z

I'm happy to report that my experience with Flutter master branch on Apple Silicon / DTK has been much better than others early experiences ( ala dart-lang/sdk#42534 ). At this point Rosetta seems to be able to run most of the host tooling, and I am able to target iOS using the generated Xcode project.

Per #65132 the flutter run tool is still not working. Also, per #64502 the simulator does not work correctly on ARM hosts.

However, and I think this is super cool, actually building and running the Flutter application on-device using Xcode 12.2 Beta is working as expected. I can even use flutter attach to observe and interact with the running application!

If I am able to get my local development environment to work correctly ( dart-lang/sdk#43488 ) I'm optimistic that I can participate in the porting effort to get the tooling running natively on the ARM host.

jmagman · 2020-10-01T01:52:45Z

flutter run -d macos worked out of the box (as a rosetta app):

xster · 2020-10-01T19:53:29Z

@jmagman I think we were talking about "XCode SDK needs to be updated on mac LUCI builders" just now. Should that be better named as "mac LUCI builders' Xcode need to use the iOS 14 SDK"?

jmagman · 2020-10-01T20:05:56Z

@jmagman I think we were talking about "XCode SDK needs to be updated on mac LUCI builders" just now. Should that be better named as "mac LUCI builders' Xcode need to use the iOS 14 SDK"?

Done at #65901 (comment).

jonahwilliams · 2020-10-01T20:29:52Z

Ship it!

jmagman · 2020-11-12T04:45:34Z

Trying to understand the current state of this issue.. Is it accurate to say that if I were to buy an ARM Mac next week, I would probably require a physical iOS device to do Flutter development as Flutter would not be able to build on ARM simulators running on the new Macs. But I should still be able to build a release version of the app for iOS without problems.

That's a good summary. I would add that mac desktop apps are working in Rosetta.

Also, last time I tried, CocoaPods wasn't working on arm, so apps with plugins won't work.

joniaiuser · 2020-11-12T05:49:52Z

Trying to understand the current state of this issue.. Is it accurate to say that if I were to buy an ARM Mac next week, I would probably require a physical iOS device to do Flutter development as Flutter would not be able to build on ARM simulators running on the new Macs. But I should still be able to build a release version of the app for iOS without problems.

That's a good summary. I would add that mac desktop apps are working in Rosetta.

Also, last time I tried, CocoaPods wasn't working on arm, so apps with plugins won't work.

I saw in one of the linked issues someone posted a workaround, is that not a viable solution?

CocoaPods/CocoaPods#9907 (comment)

* App.framework must support iOS 8 for older Flutter projects * cherry pick fixes to #60118 * fix to --observatory-port flag * update engine version Co-authored-by: Jenn Magder <magder@google.com>

jmagman · 2020-11-18T23:19:26Z

I saw in one of the linked issues someone posted a workaround, is that not a viable solution?

CocoaPods/CocoaPods#9907 (comment)

It didn't work for me, CocoaPods would crash with LoadError - dlsym(0x7fbbeb6837d0, Init_ffi_c): symbol not found. Workaround is to install x86_64 ffi gem:

arch -x86_64 sudo gem install ffi

Flutter work tracked at #70796

jmagman · 2020-11-23T17:57:27Z

This wiki page is a more digestible form of what works and what doesn't. This issue is a convenience meta issue, so I'm going to lock for now to prevent noise.

xster · 2020-12-14T20:12:35Z

Should we leave #64502 and create a separate bug for running iOS simulator on rosetta?

jmagman · 2020-12-14T20:56:14Z

Should we leave #64502 and create a separate bug for running iOS simulator on rosetta?

#72294

xster · 2021-01-25T18:09:58Z

Created #74662 to wrap up documentation for the next stable

jmagman · 2021-03-05T19:33:42Z

On Flutter 2 deploying your app in Rosetta mode to the iOS simulator with the command line tool flutter run/ flutter build ios --simulator, or from a Flutter IDE plugin should work. Targeting the iOS simulator from Xcode is supported without manual project changes as of #73828, which is currently available on the master channel.

jmagman · 2021-07-01T03:53:25Z

Native arm64 iOS simulator without Rosetta now available as of #85642.

cbracken · 2022-05-12T23:48:28Z

Engine building on arm64 mac hosts as of flutter/engine#33244

jmagman · 2022-05-13T18:07:27Z

There are also arm64 Mac tests running like

flutter/.ci.yaml

Line 3122 in 708c363

- name: Mac_arm64_ios flutter_gallery_ios__compile

This is complete. We can track the ew remaining x64 binaries separately at #69157.

cbracken · 2022-05-13T18:23:09Z

SGTM. We're now generating arm64/arm64 (as well as x64/simarm64) binaries for gen_snapshot in macOS engine host builds. I'm happy to take a look at getting a lipo'ed universal binary for gen_snapshot in place.

jmagman · 2022-05-14T00:16:21Z

SGTM. We're now generating arm64/arm64 (as well as x64/simarm64) binaries for gen_snapshot in macOS engine host builds. I'm happy to take a look at getting a lipo'ed universal binary for gen_snapshot in place.

@zanderso says it's more complicated than lipoing, more info in #101138.

cbracken · 2022-05-14T17:00:36Z

If I understand the issue pointed to there, a bunch of that was fixed in flutter/engine#33244. That's what I meant by us now generating native arm64/arm64 binaries rather than x86/simarm64. But maybe I'm misreading this?

The issue we still do definitely have though is no arm64 binaries that target x64 architecture, which is due to the lack of simx64 support in Dart, but my understanding was that #101138 is about an arm64->arm64 gen_snapshot, not the arm64->x64 case.

jmagman · 2022-05-16T21:25:40Z

If I understand the issue pointed to there, a bunch of that was fixed in flutter/engine#33244.

Neat, I didn't see that PR. Feel free to close what you think is complete.

but my understanding was that #101138 is about an arm64->arm64 gen_snapshot, not the arm64->x64 case.

That's what I meant to track with that issue since that's within our ability do to now given dart limitations.

@zanderso I thought we couldn't just lipo gen_snapshots together because of... some reason you've explained to me at least 4 times.

zanderso · 2022-05-16T21:44:55Z

We could lipo together the gen_snapshot binaries that target arm64, but not the gen_snapshot binaries that target x64. The reason is that Dart only supports generating intel code when running on an intel host.

My suggestion for now is to keep things simple and ship non-lipo'd gen_snpashots targeting both arm64 and x64 as intel binaries, which will run under Rosetta on M1.

cbracken · 2022-05-17T18:20:12Z

sgtm!

jmagman added tool Affects the "flutter" command-line tool. See also t: labels. platform-mac Building on or for macOS specifically P2 labels Jun 23, 2020

jmagman added P1 High-priority issues at the top of the work list and removed P2 labels Jun 23, 2020

jmagman added P2 Important issues not at the top of the work list and removed P1 High-priority issues at the top of the work list labels Jun 23, 2020

iapicca mentioned this issue Jul 1, 2020

support linux arm/aarch64 target platform #60678

Closed

a-siva mentioned this issue Jul 21, 2020

Add support for ARM macOS host dart-lang/sdk#42775

Closed

jmagman mentioned this issue Sep 25, 2020

Flutter requires installation and setup of cocoapods in order to deploy apps on iOS devices #65131

Closed

jmagman mentioned this issue Oct 1, 2020

☂️ Support Xcode 12 #60133

Closed

8 tasks

iapicca mentioned this issue Oct 7, 2020

Add Support for running Flutter on Windows ARM64 #53120

Closed

jmagman changed the title ~~Add support for ARM macOS host~~ ☂️ Add support for ARM macOS host Oct 7, 2020

This was referenced Oct 27, 2020

Building flutter tool on ARM macOS host fails dart-lang/sdk#42534

Closed

☂️ Add support for ARM macOS as a target #60113

Closed

Support targeting physical iOS devices on Apple Silicon #69212

Closed

pedromassangocode added the customer: crowd Affects or could affect many people, though not necessarily a specific customer. label Nov 19, 2020

tonyunreal mentioned this issue Nov 20, 2020

flutter ThatGuySam/doesitarm#138

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flutter locked as off-topic and limited conversation to collaborators Nov 23, 2020

TahaTesser added the platform-host-arm Building on an ARM-based platform label Dec 3, 2020

cbracken self-assigned this Apr 20, 2022

jmagman closed this as completed May 13, 2022

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☂️ Add support for ARM macOS host #60118

☂️ Add support for ARM macOS host #60118

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☂️ Add support for ARM macOS host #60118

☂️ Add support for ARM macOS host #60118

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jmagman commented Jun 23, 2020 • edited Loading

Infrastructure

Native host development (flutter tool)

Completed

Sub-issues

Physical devices

Simulator

Plugin support

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