[Android 10] AOSP LibFuzzer example (soong) build problems.

[jrw]

Hello,

(i also postet this in the libfuzzer google group but maybe you guys might be able to help)

i'm trying to implement a fuzzer described in [1].

When i follow the directions and try to compile the fuzzer,

i get the Error that soong does not know the module reference "cc_fuzz" which is listed in [2] as valid module.

i tried to add the missing file "fuzz.go" [3] file to the folder "android/platform/build/soong/cc/"

and added fuzz.go to the soong's folders "Android.bp" but did also result in errors.

Did i miss a crucial step or is there a reason this file is gone?

Is it recommended using the old build system or am i copying a deprecated file?

i'm using branch "android-10.0.0_r30" (Pixel 2XL)

[1] https://source.android.com/devices/tech/debug/libfuzzer

[2] https://ci.android.com/builds/submitted/6334833/linux/latest/view/soong_build.html

[3] https://android.googlesource.com/platform/build/soong/+/master/cc/fuzz.go

Thanks for any help!

Hannes

[Dan Willemsen]

That page expects that you're using AOSP master, not 10.0.0_r30, which did not yet have support for cc_fuzz (it had some support in Make instead, but I know the fuzzing tooling as been changing over time, so I don't know if there are other things on that page that may work differently as well.

The [2] module reference you're using is also coming from master, which is why cc_fuzz is showing up as valid. You can get the equivalent docs locally that are specific to your checkout by running `m soong_docs` and browsing to out/soong/docs/soong_build.html (which shouldn't include cc_fuzz).

- Dan

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[jrw]

Thanks for your response Dan,

i switched to the master branch and it's working now.

Thanks a lot !

Hannes