core/install_jni_libs.mk

# Decides how to install the jni libraries needed by an apk.
# Input variables:
#   LOCAL_JNI_SHARED_LIBRARIES
#   LOCAL_INSTALLED_MODULE
#   rs_compatibility_jni_libs (from java.mk)
#   my_module_path (from base_rules.mk)
#   partition_tag (from base_rules.mk)
#
# Output variables:
#   jni_shared_libraries, jni_shared_libraries_abi, if we are going to embed the libraries into the apk.
#

jni_shared_libraries := \
    $(addprefix $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES)/, \
      $(addsuffix .so, \
          $(LOCAL_JNI_SHARED_LIBRARIES)))

# Include RS dynamically-generated libraries as well
# Keep this ifneq, as the += otherwise adds spaces that need to be stripped.
ifneq ($(rs_compatibility_jni_libs),)
jni_shared_libraries += $(rs_compatibility_jni_libs)
endif

my_embed_jni :=
ifneq ($(TARGET_BUILD_APPS),)
my_embed_jni := true
endif
ifneq ($(filter tests samples, $(LOCAL_MODULE_TAGS)),)
my_embed_jni := true
endif
ifeq ($(filter $(TARGET_OUT)/% $(TARGET_OUT_VENDOR)/% $(TARGET_OUT_OEM)/%, $(my_module_path)),)
# If this app isn't to be installed to system partitions.
my_embed_jni := true
endif

ifdef my_embed_jni
# App explicitly requires the prebuilt NDK stl shared libraies.
# The NDK stl shared libraries should never go to the system image.
ifneq ($(filter $(LOCAL_NDK_STL_VARIANT), stlport_shared c++_shared),)
ifndef LOCAL_SDK_VERSION
$(error LOCAL_SDK_VERSION must be defined with LOCAL_NDK_STL_VARIANT, \
    LOCAL_PACKAGE_NAME=$(LOCAL_PACKAGE_NAME))
endif
endif
ifeq (stlport_shared,$(LOCAL_NDK_STL_VARIANT))
jni_shared_libraries += \
    $(HISTORICAL_NDK_VERSIONS_ROOT)/current/sources/cxx-stl/stlport/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libstlport_shared.so
else ifeq (c++_shared,$(LOCAL_NDK_STL_VARIANT))
jni_shared_libraries += \
    $(HISTORICAL_NDK_VERSIONS_ROOT)/current/sources/cxx-stl/llvm-libc++/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libc++_shared.so
endif

# Set the abi directory used by the local JNI shared libraries.
# (Doesn't change how the local shared libraries are compiled, just
# sets where they are stored in the apk.)
ifeq ($(LOCAL_JNI_SHARED_LIBRARIES_ABI),)
    jni_shared_libraries_abi := $(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)
else
    jni_shared_libraries_abi := $(LOCAL_JNI_SHARED_LIBRARIES_ABI)
endif

else  # not my_embed_jni

jni_shared_libraries := $(strip $(jni_shared_libraries))
ifneq ($(jni_shared_libraries),)
# The jni libaries will be installed to the system.img.
my_jni_filenames := $(notdir $(jni_shared_libraries))
# Make sure the JNI libraries get installed
$(LOCAL_INSTALLED_MODULE) : | $(addprefix $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET$(partition_tag)_OUT_SHARED_LIBRARIES)/, $(my_jni_filenames))

# Create symlink in the app specific lib path
ifdef LOCAL_POST_INSTALL_CMD
my_leading_separator := ;
else
my_leading_separator :=
endif
my_app_lib_path :=  $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET$(partition_tag)_OUT_SHARED_LIBRARIES)/$(basename $(LOCAL_INSTALLED_MODULE_STEM))
$(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD += \
  $(my_leading_separator)mkdir -p $(my_app_lib_path) \
  $(foreach lib, $(my_jni_filenames), ;ln -sf ../$(lib) $(my_app_lib_path)/$(lib))

# Clear jni_shared_libraries to not embed it into the apk.
jni_shared_libraries :=
endif # $(jni_shared_libraries) not empty
endif  # my_embed_jni