genrule{}
genrule in Android.bp is similar to genrule in Bazel
<https://docs.bazel.build/versions/main/be/general.html#genrule> - it is a
general rule to run a bash command on some input files to generate an
output file. This is natively supported on Android.mk - the equivalent in
Android.mk is LOCAL_BUILT_MODULE. You can use it to define a similar rule
<https://cs.android.com/android/platform/superproject/+/master:system/extras/brillo_config/Android.mk;l=29?q=LOCAL_BUILT_MODULE&start=41>in
your Android.mk
filegroup{}
filegroup is probably a Android.bp specific requirement. There is no
Android.mk equivalent because Android.mk doesn't need it. Android.bp can't
reference files outside its folder and subfolders. So, if any module needs
to access files outside the current folder (say parent folder/sibling
folders) then we use filegroup to reference those files. In Android.mk, you
would just directly specify the files given in srcs: through their relative
path.
On Saturday, 18 September, 2021 at 7:28:45 am UTC+8 banore...@gmail.com
wrote:
>
> I am upgrading one of the Nougat libraries - external/v8. The changes
> required for upgrading are replacing the Android.mk with Android.bp.
> Android.bp is not fully supported in Nougat as clarified as part of this
> thread <https://groups.google.com/g/android-building/c/IufaPleeo5Q>, I am
> converting the Android.bp to equivalent the Android.mk.
>
> I am able to translate most of the part of the Android.bp but I am not
> aware what should be the equivalent of the following sections in Android.mk.
>
>
>
>
>
>
>
>
>
>
> *genrule { name: "v8_generate_bytecode_builtins_list", tools:
> ["v8_bytecode_builtins_list_generator"], srcs: [], cmd: "mkdir -p
> $(genDir)/builtins-generated/ && $(location
> v8_bytecode_builtins_list_generator) $(out)", out: [
> "builtins-generated/bytecodes-builtins-list.h" ],}*
>
> Similarly the filegroup section:
>
>
>
>
>
>
>
> *filegroup { name: "v8_init", srcs: [
> "src/init/setup-isolate-full.cc", ":v8_initializers", ]}*
>
> Does anyone know how do I translate the sections mentioned above to
> Android.mk or point to some resources where I can read more on this?
>
> Also, feel free to suggest if this is not the right approach for upgrading
> the external/v8 in Nougat and if there is any other way I can follow to
> upgrade the library from 5.8 to 8.8
>
> Thanks!
>
>
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