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bazelbuild / examples

Examples for Bazel
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fatal error: jni.h: No such file or directory with Bazel@HEAD #381

Closed sgowroji closed 5 months ago

sgowroji commented 6 months ago

https://buildkite.com/bazel/bazel-at-head-plus-downstream/builds/3519#018c569e-3795-4226-ab3e-197736d4484f

Platform : Windows, Ubuntu, MacOS

Logs:

app/src/main/cpp/native-lib.cpp:1:10: fatal error: jni.h: No such file or directory
 #include <jni.h>
          ^~~~~~~
compilation terminated.
(02:09:02) ERROR: /var/lib/buildkite-agent/builds/bk-docker-l9gw/bazel-org-repo-root/examples/android/ndk/app/src/main/BUILD.bazel:17:11: Compiling app/src/main/cpp/native-lib.cpp failed: (Exit 1): gcc failed: error executing CppCompile command (from target //app/src/main:jni_lib)

Steps:

git clone -v https://github.com/bazelbuild/examples.git
git reset e2746bf0e3f987cc556e5188c18fec33edc1b61a --hard
export USE_BAZEL_VERSION=591d1257c51c2f997e067964878e3a9c7ee1f89c
cd /android/ndk
bazel build --noincompatible_enable_android_toolchain_resolution --fat_apk_cpu=arm64-v8a,x86 --android_crosstool_top=@androidndk//:toolchain --enable_bzlmod  //app/src/main:app

CC Greenteam @comius

meteorcloudy commented 5 months ago

Looks like the failure is related to the changes in https://github.com/bazelbuild/examples/commit/5e37d3c0041dc8e4750f6dfbd7508782cdc3c610

/cc @katre Can you please take a look?

katre commented 5 months ago

As indicated in android.yml, the problem is that this example does not use the new Android platforms flags, it's using the legacy flags, which aren't supported in Bazel at HEAD.

Using Bazel 6.4.0, the build works:

$ USE_BAZEL_VERSION=6.4.0 bazel build --noincompatible_enable_android_toolchain_resolution --fat_apk_cpu=arm64-v8a,x86 --android_crosstool_top=@androidndk//:toolchain --enable_bzlmod  //app/src/main:app
INFO: Analyzed target //app/src/main:app (0 packages loaded, 0 targets configured).
INFO: Found 1 target...
Target //app/src/main:app up-to-date:
  bazel-bin/app/src/main/app_deploy.jar
  bazel-bin/app/src/main/app_unsigned.apk
  bazel-bin/app/src/main/app.apk
INFO: Elapsed time: 0.350s, Critical Path: 0.01s
INFO: 1 process: 1 internal.
INFO: Build completed successfully, 1 total action

I'll try updating the flags and see if that works, but last time I tried I ran into https://github.com/bazelbuild/rules_android/issues/77.