Merge "Exclude lib/arm(64) from the library absence check."

# still may create these libraries in /system (b/129006418).

DISABLE_APEX_LIBS_ABSENCE_CHECK ?=

# Exclude lib/arm and lib/arm64 which contain the native bridge proxy libs.

# They are compiled for the guest architecture and used with an entirely

# different linker config. The native libs are then linked to as usual via

# exported interfaces, so the proxy libs do not violate the interface boundaries

# on the native architecture.

# TODO(b/130630776): Introduce a make variable for the appropriate directory

# when native bridge is active.

APEX_LIBS_ABSENCE_CHECK_EXCLUDE=lib/arm lib/arm64

# If the check below fails, some library has ended up in system/lib or

# system/lib64 that is intended to only go into some APEX package. The likely

# cause is that a library or binary in /system has grown a dependency that

ifndef DISABLE_APEX_LIBS_ABSENCE_CHECK

define check-apex-libs-absence

$(hide) ( \

  cd $(TARGET_OUT); \

  findres=$$(find lib* -type f \( -false $(foreach lib,$(APEX_MODULE_LIBS),-o -name $(lib)) \) -print) || exit 1; \

  cd $(TARGET_OUT) && \

  findres=$$(find lib* \

    $(foreach dir,$(APEX_LIBS_ABSENCE_CHECK_EXCLUDE),-path $(dir) -prune -o) \

    -type f \( -false $(foreach lib,$(APEX_MODULE_LIBS),-o -name $(lib)) \) \

    -print) && \

  if [ -n "$$findres" ]; then \

    echo "APEX libraries found in system image (see comment in build/make/core/Makefile for details):" 1>&2; \

    echo "$$findres" | sort 1>&2; \