Building Android 7 AOSP [Errno 2] No such file or directory

[Aaron Rieder]

Good Morning All,

I'm attempting to build using the steps on the AOSP website, however the builds appear to be failing after about an 2 and a half - 3 hours with the following:

selinux_fc                = (str) out/target/product/sailfish/obj/PACKAGING/target_files_intermediates/aosp_sailfish-target_files-eng.aaron/META/file_contexts.bin

squashfs_sparse_flag      = (str) -s

system_root_image         = (str) true

system_size               = (int) 2147483648

system_verity_block_device = (str) /dev/block/bootdevice/by-name/system

tool_extensions           = (str) device/google/marlin/sailfish/../common

userdata_size             = (int) 10737418240

vendor_verity_block_device = (str) /dev/block/bootdevice/by-name/vendor

verity                    = (str) true

verity_fec                = (str) true

verity_key                = (str) build/target/product/security/verity

verity_signer_cmd         = (str) verity_signer

  running:  openssl pkcs8 -in build/target/product/security/testkey.pk8 -inform DER -nocrypt -out /tmp/key-ucSeBO.key

  running:  brillo_update_payload generate --payload /tmp/payload-45UjbA.bin --target_image out/target/product/sailfish/obj/PACKAGING/target_files_intermediates/aosp_sailfish-target_files-eng.aaron.zip

Traceback (most recent call last):

  File "./build/tools/releasetools/ota_from_target_files", line 1443, in <module>

    main(sys.argv[1:])

  File "./build/tools/releasetools/ota_from_target_files", line 1321, in main

    source_file=OPTIONS.incremental_source)

  File "./build/tools/releasetools/ota_from_target_files", line 1028, in WriteABOTAPackageWithBrilloScript

    p1 = common.Run(cmd, stdout=log_file, stderr=subprocess.STDOUT)

  File "/media/storage/android/build/make/tools/releasetools/common.py", line 115, in Run

    return subprocess.Popen(args, **kwargs)

  File "/usr/lib/python2.7/subprocess.py", line 390, in __init__

    errread, errwrite)

  File "/usr/lib/python2.7/subprocess.py", line 1024, in _execute_child

    raise child_exception

OSError: [Errno 2] No such file or directory

ninja: build stopped: subcommand failed.

00:52:33 ninja failed with: exit status 1

build/core/main.mk:21: recipe for target 'run_soong_ui' failed

make: *** [run_soong_ui] Error 1

#### make failed to build some targets (03:08:02 (hh:mm:ss)) ####

I'm not totally sure what is causing the build to fail...but if anyone has any advice I'd be very appreciative.

Thank you!

[Dan Willemsen]

It looks like brillo_update_payload is missing -- for some reason we don't seem to have a dependency on that tool. Does running `m -j brillo_update_payload` then running your build again fix the issue? You may need to run "m -j otatools" if something else is missing too.

- Dan

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[Vishnu M J]

Hi

Have you got it to work. I am having this same with building Android 7.

[Tao Bao]

For the particular failure, it was looking for delta_generator but failed. Try `m -j otatools` to build all the required tools before calling ota_from_target_files.

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