b934e49c3a
To avoid race condition: Say a module with LOCAL_NDK_VERSION built in the full source tree, Before this change it may be linked against TARGET_GLOBAL_LD_DIRS/libc.so that's being partially written out by the linker, because there is no dependency between the module and TARGET_GLOBAL_LD_DIRS/libc.so. Change-Id: If6e4921d226fee133b53e4d819a07b48f4fca016
55 lines
2.3 KiB
Makefile
55 lines
2.3 KiB
Makefile
###########################################################
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## Standard rules for building a normal shared library.
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##
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## Additional inputs from base_rules.make:
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## None.
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##
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## LOCAL_MODULE_SUFFIX will be set for you.
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###########################################################
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ifeq ($(strip $(LOCAL_MODULE_CLASS)),)
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LOCAL_MODULE_CLASS := SHARED_LIBRARIES
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endif
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ifeq ($(strip $(LOCAL_MODULE_SUFFIX)),)
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LOCAL_MODULE_SUFFIX := $(TARGET_SHLIB_SUFFIX)
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endif
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ifneq ($(strip $(OVERRIDE_BUILT_MODULE_PATH)),)
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$(error $(LOCAL_PATH): Illegal use of OVERRIDE_BUILT_MODULE_PATH)
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endif
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# Put the built targets of all shared libraries in a common directory
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# to simplify the link line.
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OVERRIDE_BUILT_MODULE_PATH := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)
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include $(BUILD_SYSTEM)/dynamic_binary.mk
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# Define PRIVATE_ variables from global vars
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my_target_global_ld_dirs := $(TARGET_GLOBAL_LD_DIRS)
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my_target_global_ldflags := $(TARGET_GLOBAL_LDFLAGS)
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my_target_fdo_lib := $(TARGET_FDO_LIB)
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my_target_libgcc := $(TARGET_LIBGCC)
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my_target_crtbegin_so_o := $(TARGET_CRTBEGIN_SO_O)
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my_target_crtend_so_o := $(TARGET_CRTEND_SO_O)
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ifdef LOCAL_NDK_VERSION
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# Make sure the prebuilt NDK paths are put ahead of the TARGET_GLOBAL_LD_DIRS,
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# so we don't have race condition when the system libraries (such as libc, libstdc++) are also built in the tree.
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my_target_global_ld_dirs := \
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$(addprefix -L, $(patsubst %/,%,$(dir $(my_ndk_stl_shared_lib_fullpath))) \
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$(my_ndk_version_root)/usr/lib) \
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$(my_target_global_ld_dirs)
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my_target_global_ldflags := $(my_ndk_stl_shared_lib) $(my_target_global_ldflags)
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my_target_crtbegin_so_o := $(wildcard $(my_ndk_version_root)/usr/lib/crtbegin_so.o)
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my_target_crtend_so_o := $(wildcard $(my_ndk_version_root)/usr/lib/crtend_so.o)
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endif
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$(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
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$(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
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$(linked_module): PRIVATE_TARGET_FDO_LIB := $(my_target_fdo_lib)
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$(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
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$(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
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$(linked_module): PRIVATE_TARGET_CRTEND_SO_O := $(my_target_crtend_so_o)
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$(linked_module): $(all_objects) $(all_libraries) \
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$(LOCAL_ADDITIONAL_DEPENDENCIES) \
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$(my_target_crtbegin_so_o) $(my_target_crtend_so_o)
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$(transform-o-to-shared-lib)
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