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Yo Chiang 0b49c03727 Check ELF prebuilts in PRODUCT_COPY_FILES 
Add a check to ban ELF prebuilts in PRODUCT_COPY_FILES.
ELF prebuilts should be defined properly by cc_prebuilt_library_shared
and cc_prebuilt_binary so that the build system can keep track of the
file dependencies.

To opt in this check, set this option in BoardConfig.mk:
  BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES := false

After all devices that have ELF prebuilts in PRODUCT_COPY_FILES are
tagged with BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES := true flip
BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES to default false.

After a device is cleaned up, remove its
BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES := true setting.

Bug: 140560012
Test: Set BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES := false
Test: m # Should report any ELF prebuilt error in PRODUCT_COPY_FILES
Change-Id: Id75dac9417aed9baa7c5e9388430ff9369cf9b4f
 		2020-04-08 18:01:24 +08:00
common Define PRODUCT_PRODUCT_VNDK_VERSION automatically 2020-01-11 12:44:08 +00:00
core Check ELF prebuilts in PRODUCT_COPY_FILES 2020-04-08 18:01:24 +08:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Merge "Rename VTS to VTS10" 2020-03-31 17:32:34 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools Merge "Add aftl inclusion proof" 2020-03-31 22:12:46 +00:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
Changes.md Mark (BUILD_|LOCAL_)COPY_HEADERS as [more] deprecated 2020-01-27 19:45:04 -08:00
CleanSpec.mk Remove Soong intermdiates after moving image mutator 2019-12-17 14:53:49 -08:00
Deprecation.md Mark the current BUILD_* warnings as errors by default 2020-03-07 11:29:29 -08:00
OWNERS Merge "Update OWNERS for version_defaults.mk with pscovanner & lubomir Bug: 141272605" into qt-dev am: 5d0a024d7b am: 479c9c549b 2019-10-16 11:30:32 -07:00
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
Usage.txt Remove the PRODUCT-* goal 2019-07-29 14:27:04 -07:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
envsetup.sh Remove unused mips workarounds. 2020-03-06 16:46:59 -08:00
help.sh Rename product_services to system_ext 2019-07-09 08:57:19 +00:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
rbesetup.sh Add an RBE setup script that developers can source to run RBE builds 2020-03-05 17:37:26 -08:00
tapasHelp.sh Remove unused mips workarounds. 2020-03-06 16:46:59 -08:00

README.md

Android Make Build System

This is the Makefile-based portion of the Android Build System.

For documentation on how to run a build, see Usage.txt

For a list of behavioral changes useful for Android.mk writers see Changes.md

For an outdated reference on Android.mk files, see build-system.html. Our Android.mk files look similar, but are entirely different from the Android.mk files used by the NDK build system. When searching for documentation elsewhere, ensure that it is for the platform build system -- most are not.

This Makefile-based system is in the process of being replaced with Soong, a new build system written in Go. During the transition, all of these makefiles are read by Kati, and generate a ninja file instead of being executed directly. That's combined with a ninja file read by Soong so that the build graph of the two systems can be combined and run as one.