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x/mobile: gomobile doesn't find Android NDK installed from typical dist pkgs #31461

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quite opened this issue Apr 14, 2019 · 3 comments
Closed

x/mobile: gomobile doesn't find Android NDK installed from typical dist pkgs #31461

quite opened this issue Apr 14, 2019 · 3 comments
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FrozenDueToAge mobile Android, iOS, and x/mobile
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Unreleased

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@quite
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quite commented Apr 14, 2019

On Ubuntu, the google-android-ndk-installer leaves the NDK in /usr/lib/android-ndk, and it seems to be up to the user to set ANDROID_NDK_HOME.

On Arch Linux, the android-ndk package installs the NDK into /opt/android-ndk and sets ANDROID_NDK_HOME to there using an /etc/profile.d/file

There are also other variables, such as ANDROID_NDK, but they seem deprecated. This was somewhat informative: openssl/openssl#8103
@gopherbot gopherbot added this to the Unreleased milestone Apr 14, 2019
@gopherbot gopherbot added the mobile Android, iOS, and x/mobile label Apr 14, 2019
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Change https://golang.org/cl/171938 mentions this issue: cmd/gomobile: look also in $ANDROID_NDK_HOME for the NDK...

@eliasnaur
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One complication is that gomobile build uses tools from the Android SDK. What to do when only ANDROID_NDK_HOME is set?

@quite
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quite commented Apr 15, 2019 •
edited

It looks like all code that references ANDROID_HOME (which is where such tools must be picked up) returns error if it can't be found.

And the code that I touch for this issue is only in the ndkRoot() function, so just doing our best there to find the NDK should be enough.

@golang golang locked and limited conversation to collaborators Apr 14, 2020
imWildCat pushed a commit to imWildCat/go-mobile that referenced this issue Apr 10, 2021
@quite @eliasnaur
cmd/gomobile: fall back to $ANDROID_NDK_HOME for the NDK path
fad30b2 
After trying $ANDROID_HOME/ndk-bundle, we also try $ANDROID_NDK_HOME.

ANDROID_NDK_HOME is advised in this NDK sample code wiki:
https://github.com/googlesamples/android-ndk/wiki
Mentioned in the Bazel buildsystem Android app tutorial:
https://docs.bazel.build/versions/master/tutorial/android-app.html

On Ubuntu, the google-android-ndk-installer leaves the NDK in
/usr/lib/android-ndk, and it seems to be up to the user to set
ANDROID_NDK_HOME.

On Arch Linux, the android-ndk package installs the NDK into /opt/android-ndk
and sets ANDROID_NDK_HOME to there using an /etc/profile.d/file

Fixes golang/go#31461

Change-Id: I9f7f7e24b19e0047419f9725b67bd6daf2b1d328
Reviewed-on: https://go-review.googlesource.com/c/mobile/+/171938
Run-TryBot: Elias Naur <mail@eliasnaur.com>
Reviewed-by: Elias Naur <mail@eliasnaur.com>
imWildCat pushed a commit to imWildCat/go-mobile that referenced this issue Apr 11, 2021
@quite @eliasnaur
cmd/gomobile: fall back to $ANDROID_NDK_HOME for the NDK path
6b53265 
After trying $ANDROID_HOME/ndk-bundle, we also try $ANDROID_NDK_HOME.

ANDROID_NDK_HOME is advised in this NDK sample code wiki:
https://github.com/googlesamples/android-ndk/wiki
Mentioned in the Bazel buildsystem Android app tutorial:
https://docs.bazel.build/versions/master/tutorial/android-app.html

On Ubuntu, the google-android-ndk-installer leaves the NDK in
/usr/lib/android-ndk, and it seems to be up to the user to set
ANDROID_NDK_HOME.

On Arch Linux, the android-ndk package installs the NDK into /opt/android-ndk
and sets ANDROID_NDK_HOME to there using an /etc/profile.d/file

Fixes golang/go#31461

Change-Id: I9f7f7e24b19e0047419f9725b67bd6daf2b1d328
Reviewed-on: https://go-review.googlesource.com/c/mobile/+/171938
Run-TryBot: Elias Naur <mail@eliasnaur.com>
Reviewed-by: Elias Naur <mail@eliasnaur.com>
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