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Use symlinks in the build graph for jni libs 

Now that ninja uses lstat and can support installing arbitrary symlinks,
switch jni lib symlinks from LOCAL_POST_INSTALL_CMDS to real rules.

Bug: 128577186
Test: List of files under PRODUCT_OUT is the same before/after this change
Test: out/target/product/generic/.installable_files now includes the symlinks
Test: m installclean; m NfcNci -> symlinks installed with correct dest
Test: m NfcNci; m NfcNci -> ninja: no work to do
Change-Id: I078dca53ab3d93f74c36fa66d5577e6e3e0640d6
This commit is contained in:
Dan Willemsen 2020-01-06 09:55:11 -08:00
parent 99202ec0a6
commit b195e7ab04
2 changed files with 10 additions and 20 deletions
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6
core/definitions.mk
View File

@ -2628,17 +2628,15 @@ $(foreach t,$(1),\
endef
# Define a rule to create a symlink to a file.
# $(1): full path to source
# $(1): any dependencies
# $(2): source (may be relative)
# $(3): full path to destination
define symlink-file
$(eval $(_symlink-file))
endef
# Order-only dependency because make/ninja will follow the link when checking
# the timestamp, so the file must exist
define _symlink-file
$(3): | $(1)
$(3): $(1)
@echo "Symlink: $$@ -> $(2)"
@mkdir -p $(dir $$@)
@rm -rf $$@

24
core/install_jni_libs_internal.mk
View File

@ -49,29 +49,21 @@ else ifneq ($(my_jni_shared_libraries),) # not my_embed_jni
my_shared_library_path := $(call get_non_asan_path,\
$($(my_2nd_arch_prefix)TARGET_OUT$(partition_tag)_SHARED_LIBRARIES))
my_installed_library := $(addprefix $(my_shared_library_path)/, $(my_jni_filenames))
# Do not use order-only dependency, because we want to rebuild the image if an jni is updated.
$(LOCAL_INSTALLED_MODULE) : $(my_installed_library)
ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(my_installed_library)
# Create symlink in the app specific lib path
# Skip creating this symlink when running the second part of a target sanitization build.
ifeq ($(filter address,$(SANITIZE_TARGET)),)
ifdef LOCAL_POST_INSTALL_CMD
# Add a shell command separator
LOCAL_POST_INSTALL_CMD += ;
endif
my_symlink_target_dir := $(patsubst $(PRODUCT_OUT)%,%,\
$(my_shared_library_path))
LOCAL_POST_INSTALL_CMD += \
mkdir -p $(my_app_lib_path) \
$(foreach lib, $(my_jni_filenames), ;ln -sf $(my_symlink_target_dir)/$(lib) $(my_app_lib_path)/$(lib))
$(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD := $(LOCAL_POST_INSTALL_CMD)
else
ifdef LOCAL_POST_INSTALL_CMD
$(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD := $(LOCAL_POST_INSTALL_CMD)
endif
$(my_shared_library_path))
$(foreach lib,$(my_jni_filenames),\
$(call symlink-file, \
$(my_shared_library_path)/$(lib), \
$(my_symlink_target_dir)/$(lib), \
$(my_app_lib_path)/$(lib)) \
$(eval $$(LOCAL_INSTALLED_MODULE) : $$(my_app_lib_path)/$$(lib)) \
$(eval ALL_MODULES.$$(LOCAL_MODULE).INSTALLED += $$(my_app_lib_path)/$$(lib)))
endif
# Clear jni_shared_libraries to not embed it into the apk.