FAILED: AIDL CHECK API

error.log

FAILED: AIDL CHECK API: system/netd/resolv/aidl/dnsresolver/2 against system/netd/resolv/aidl/dnsresolver/1
Outputs: /home/vinnom/Android/rom_dev/roms/validus/out/soong/.intermediates/system/netd/resolv/dnsresolver_aidl_interface-api/checkapi_2.timestamp
Error: exited with code: 1
Command: (/home/vinnom/Android/rom_dev/roms/validus/out/soong/host/linux-x86/bin/aidl --checkapi system/netd/resolv/aidl/dnsresolver/1 system/netd/resolv/aidl/dnsresolver/2 && touch /home/vinnom/Android/rom_dev/roms/validus/out/soong/.intermediates/system/netd/resolv/dnsresolver_aidl_interface-api/checkapi_2.timestamp) || (cat system/tools/aidl/build/message_check_compatibility.txt && exit 1)
Output:
ERROR: system/netd/resolv/aidl/dnsresolver/1: No API file exist
###############################################################################
# ERROR: Backward incompatible change detected on AIDL API                    #
###############################################################################
Above AIDL file(s) has changed in a backward-incompatible way, e.g. removing
a method from an interface or a field from a parcelable. If a device is shipped
with this change by ignoring this message, it has a high risk of breaking later
when a module using the interface is updated, e.g., Maineline modules.

Hey I'm having this same exact problem when I try to build AOSP from source; were you ever able to figure out what caused this and how to get past it? I'm stumped :(

Hey I'm having this same exact problem when I try to build AOSP from source; were you ever able to figure out what caused this and how to get past it? I'm stumped :(

Hey man, I didn't solve this but the guys working on the source I was building did! Check out this commit, I hope it'll help you =)

I found this build break which may cause by the our filesystem (XFS).

The check_api function will use ( check_api => IoDelegate::ListFiles => add_list_files) to search the aidl file.
This function will check the type of current node. If the current node is DT_DIR type, it will do the search recursively.

But in XFS filesystem it will get the empty type so that we can't get the correct answer.

Ref:
https://stackoverflow.com/a/29094555/9265663
https://stackoverflow.com/questions/39429803/how-to-list-first-level-directories-only-in-c/39430337#39430337

I found this build break which may cause by the our filesystem (XFS).

The check_api function will use ( check_api => IoDelegate::ListFiles => add_list_files) to search the aidl file.
This function will check the type of current node. If the current node is DT_DIR type, it will do the search recursively.

But in XFS filesystem it will get the empty type so that we can't get the correct answer.

Ref:
https://stackoverflow.com/a/29094555/9265663
https://stackoverflow.com/questions/39429803/how-to-list-first-level-directories-only-in-c/39430337#39430337

Hmm regarding the ROM I was compiling ValidusOS, it was fixed on the commit I pointed on previous comment. However, knowing this is clearly relevant and this should make out into AOSP code indeed.