Build for Linux ARM32 (armhf) and ARM64 (aarch64) #1382

mattleibow · 2020-07-03T21:37:06Z

Description of Change

Add a new Linux architecture: armhf

This is build on Ubuntu 16.04 using the ARM prebuilt toolchain: https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads

Using GCC because of: #1382 (comment)

Test Binaries

Built using Clang:

ARM 32 v7a: native_linux_arm_linux.zip
ARM 64 v8: native_linux_arm64_linux.zip

Built using GCC:

ARM 32 v7a: native_linux_arm_gcc_linux.zip
ARM 64 v8: native_linux_arm64_gcc_linux.zip

Test NuGet

All the packages are on the preview feed as v2.80.0-pr.1382.31: https://aka.ms/skiasharp-eap/index.json

Bugs Fixed

Related to issue More Pre-Built Linux Libraries #453

mattleibow · 2020-07-03T21:46:20Z

native/linux-arm-clang/build.cake

@@ -0,0 +1,58 @@
+DirectoryPath ROOT_PATH = MakeAbsolute(Directory("../.."));


This script is not complete nor does it work.

Seems libjpeg-turbo is having some issues:

Cross compile for armhf with neon == error: instruction requires: NEON libjpeg-turbo/libjpeg-turbo#440

https://groups.google.com/g/skia-discuss/c/ZG784t39JyU

https://groups.google.com/g/skia-discuss/c/SGA9UVxjabc

mattleibow · 2020-07-03T21:47:00Z

scripts/azure-pipelines.yml

+          vmImage: $(VM_IMAGE_LINUX)
+          docker: scripts/Docker/ubuntu16/armhf
+          target: externals-linux
+          additionalArgs: --buildarch=arm --gnArgs="extra_cflags+=[ '-Wno-psabi' ]"


The extra args are for this issue:

https://groups.google.com/g/skia-discuss/c/b29ZStY3Kak

https://gcc.gnu.org/gcc-7/changes.html

mattleibow · 2020-07-04T02:25:22Z

scripts/azure-pipelines.yml

+          displayName: Build Native Linux|arm64 (Linux)
+          vmImage: $(VM_IMAGE_LINUX)
+          docker: scripts/Docker/ubuntu16/gcc-cross
+          dockerArgs: --build-arg TOOLCHAIN_ARCH=aarch64-none-linux-gnu --build-arg FONTCONFIG_ARCH=arm64


arm64 or aarch64 images are built using --build-arg

scripts/azure-templates-bootstrapper.yml

Co-authored-by: jp2masa <jp2masa@users.noreply.github.com>

jmacato · 2020-07-04T06:28:55Z

@mattleibow the Linux ARM64 bins are almost working, though my app had this error:

Unhandled exception. System.EntryPointNotFoundException: Unable to find an entry point named 'sk_paint_set_text_encoding' in shared library 'libSkiaSharp'.
   at SkiaSharp.SkiaApi.sk_paint_set_text_encoding(IntPtr param0, SKTextEncoding param1)
   at Avalonia.Skia.FormattedTextImpl..ctor(String text, Typeface typeface, Double fontSize, TextAlignment textAlignment, TextWrapping wrapping, Size constraint, IReadOnlyList`1 spans)
   at Avalonia.Skia.PlatformRenderInterface.CreateFormattedText(String text, Typeface typeface, Double fontSize, TextAlignment textAlignment, TextWrapping wrapping, Size constraint, IReadOnlyList`1 spans)
   at Avalonia.Media.FormattedText.get_PlatformImpl()
   at Avalonia.Media.FormattedText.get_Bounds()

@Gillibald should we perhaps update SkiaSharp in Avalonia?

Gillibald · 2020-07-04T06:41:14Z

@jmacato This is targeting the next release. We should be able to update.

jmacato · 2020-07-04T06:43:03Z

@Gillibald awesome :)) well... guess i cant test stuff out without us updating

Gillibald · 2020-07-04T06:48:43Z

The new version is a 1:1 replacement just bump the version number. We can just create a PR that does that and you could use the CI build.

jmacato · 2020-07-04T06:56:42Z

@Gillibald yeah please do, so we can check other issues here just in case

mattleibow · 2020-07-04T10:53:00Z

@jmacato what happens if you bump the version of SkiaSharp in your project to the latest preview on NuGet. Unless Avalonia is p/invoking directly, it should work. The versions should be API compatible as I made no breaks in the .NET API.

jmacato · 2020-07-04T10:53:46Z

@mattleibow i'll try the preview releases first

Gillibald · 2020-07-04T10:56:04Z

I am in the process of creating a PR that changes Avalonia to use the preview. Then you just have to copy the ARM bits manually.

jmacato · 2020-07-04T10:57:49Z

@Gillibald alright i'll wait for that instead :D

mattleibow · 2020-07-07T01:02:19Z

CI just failed on the emscripten lols. Why now? Who knows. Maybe a rebuild will fix it?

mattleibow · 2020-07-07T01:07:59Z

Hopefully #1387 will fix it...

dinonovak · 2020-10-26T17:37:31Z

any change to build this for v2.80.2 ?

mattleibow · 2020-10-26T17:50:05Z

This is already out on the SkiaSharp.NativeAssets.Linux packages

dinonovak · 2020-10-26T19:06:07Z

Found it , sorry for confusion.

mattleibow · 2020-10-27T05:48:49Z

No prob. Let me know if there are any problems by opening a new issue. Have fun drawing!

aicynide · 2025-01-31T17:35:58Z

Not working in android

mattleibow added 2 commits July 3, 2020 23:32

Build for armhf

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Add to yaml

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diff

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mattleibow commented Jul 3, 2020

View reviewed changes

mattleibow marked this pull request as draft July 3, 2020 21:49

mattleibow added 10 commits July 4, 2020 00:01

gonna be a few tries

e4ec30d

we need to go faster

54d9fec

Slap a new one on

bf65662

This?

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I think I got it...

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Nope!

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try everything

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Add arm to the nugets

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aarch64

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Add arm64 to the nuspec

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mattleibow commented Jul 4, 2020

View reviewed changes

mattleibow mentioned this pull request Jul 4, 2020

More Pre-Built Linux Libraries #453

Closed

5 tasks

mattleibow changed the title ~~Build for Linux ARM32 (armhf)~~ Build for Linux ARM32 (armhf) and ARM64 (aarch64) Jul 4, 2020

jp2masa reviewed Jul 4, 2020

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Co-authored-by: jp2masa <jp2masa@users.noreply.github.com>

mattleibow added 13 commits July 5, 2020 02:19

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mattleibow mentioned this pull request Jul 6, 2020

[BUG] System.EntryPointNotFoundException: Unable to find an entry point named 'sk_managedstream_set_delegates' #1385

Closed

mattleibow marked this pull request as ready for review July 7, 2020 00:23

mattleibow merged commit a3472b0 into master Jul 7, 2020

mattleibow deleted the dev/linux-armhf branch July 7, 2020 00:23

Gillibald mentioned this pull request Jul 7, 2020

Avalonia on Raspberry pi with Framebuffer - stuck AvaloniaUI/Avalonia#3671

Closed

mattleibow added this to the v2.80.0 milestone Jul 9, 2020

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Build for Linux ARM32 (armhf) and ARM64 (aarch64) #1382

Build for Linux ARM32 (armhf) and ARM64 (aarch64) #1382

mattleibow commented Jul 3, 2020 •

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aicynide commented Jan 31, 2025

		@@ -0,0 +1,58 @@
		DirectoryPath ROOT_PATH = MakeAbsolute(Directory("../.."));

Build for Linux ARM32 (armhf) and ARM64 (aarch64) #1382

Build for Linux ARM32 (armhf) and ARM64 (aarch64) #1382

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