Missing intermediates for external project in P-preview AOSP tree

[Peter T. A. Galek]

I'd like help please to configure which intermediates are generated when using 'mmm' in the P-preview AOSP tree.

I am building for the Pixel (Sailfish) and I have successfully rebuilt the kernel and then all .img files. Now I am trying to add extra projects in "external" folder.

I am creating the following in the out/ intermediates folder:

aidl  classes               classes-full-debug.jar  java-source-list      link_type

anno  classes-combined.jar  classes.jar             java-source-list.tmp

However my parent project is reporting it needs the classes-header.jar file, which is not created.

My steps are:

      mmm external/dependentproject

success.

   mmm external/myproject

failure.

Output is:

============================================

PLATFORM_VERSION_CODENAME=REL

PLATFORM_VERSION=9

TARGET_PRODUCT=aosp_sailfish

TARGET_BUILD_VARIANT=userdebug

TARGET_BUILD_TYPE=release

TARGET_ARCH=arm64

TARGET_ARCH_VARIANT=armv8-a

TARGET_CPU_VARIANT=kryo

TARGET_2ND_ARCH=arm

TARGET_2ND_ARCH_VARIANT=armv8-a

TARGET_2ND_CPU_VARIANT=kryo

HOST_ARCH=x86_64

HOST_2ND_ARCH=x86

HOST_OS=linux

HOST_OS_EXTRA=Linux-4.15.0-041500-generic-x86_64-Ubuntu-16.04.3-LTS

HOST_CROSS_OS=windows

HOST_CROSS_ARCH=x86

HOST_CROSS_2ND_ARCH=x86_64

HOST_BUILD_TYPE=release

BUILD_ID=PPR1.180610.003

OUT_DIR=out

============================================

ninja: no work to do.

ninja: no work to do.

No need to regenerate ninja file

No need to regenerate ninja file

ninja: error: 'out/target/common/obj/JAVA_LIBRARIES/dependentproject_intermediates/classes-header.jar', needed by 'out/target/common/obj/JAVA_LIBRARIES/myproject_intermediates/classes-full-debug.jar', missing and no known rule to make it

14:16:30 ninja failed with: exit status 1

The dependent project has the following Android.mk.

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE := dependentproject

LOCAL_SRC_FILES += \

      $(call all-java-files-under,src) \

      $(call all-Iaidl-files-under,src)

include $(BUILD_STATIC_JAVA_LIBRARY)

The myproject has the following Android.mk

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE := myproject

LOCAL_SRC_FILES += \

      $(call all-java-files-under,java)

LOCAL_JAVA_LIBRARIES := \

      services.core

LOCAL_STATIC_JAVA_LIBRARIES := \

      dependentproject \

      dependentprojectb

include $(BUILD_JAVA_LIBRARY)

[Peter T. A. Galek]

As I understand it, making these projects invokes soong which translates the .mk files into blueprint .bp files, which ninja then can compile.

https://android.googlesource.com/platform/build/soong/

The make is successful using the Oreo AOSP tree, but now fails with the P-preview tree as described. Can I configure the dependentproject to prepare different intermediates such as classes-headers.jar as called for by the parent project myproject?

[Colin Cross]

I'd suggest using mmma for at least the first build of external/myproject, which will build all necessary dependencies.

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[Peter T. A. Galek]

Thanks for the tip - this works. 

In case this helps others avoid the trap, I found out if I cd into the project folder and run mmm it succeeds. But that had produced no intermediates and the project hadn't been integrated into the full system image after running make snod.