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Support to build executables for TARGET_2ND_ARCH

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By default, an executable is built for TARGET_ARCH.
To build it for TARGET_2ND_ARCH in a 64bit product, use:
LOCAL_32BIT_ONLY := true
To skip a module for TARGET_2ND_ARCH, use:
LOCAL_NO_2ND_ARCH := true

Bug: 11654773
Change-Id: Ieb293d25b21024bfe1b554044df338e064ac7b46
This commit is contained in:
Ying Wang
2014-01-17 16:17:28 -08:00
parent ec6d6262ac
commit dd814bf8c2
8 changed files with 100 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
core/executable.mk
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@@ -1,69 +1,13 @@
###########################################################
## Standard rules for building an executable file.
##
## Additional inputs from base_rules.make:
## None.
###########################################################
# We don't automatically set up rules to build executables for both
# TARGET_ARCH and TARGET_2ND_ARCH.
# By default, an executable is built for TARGET_ARCH.
# To build it for TARGET_2ND_ARCH in a 64bit product, use "LOCAL_32BIT_ONLY := true".
ifeq ($(strip $(LOCAL_MODULE_CLASS)),)
LOCAL_MODULE_CLASS := EXECUTABLES
endif
ifeq ($(strip $(LOCAL_MODULE_SUFFIX)),)
LOCAL_MODULE_SUFFIX := $(TARGET_EXECUTABLE_SUFFIX)
endif
$(call target-executable-hook)
skip_build_from_source :=
ifdef LOCAL_PREBUILT_MODULE_FILE
ifeq (,$(call if-build-from-source,$(LOCAL_MODULE),$(LOCAL_PATH)))
include $(BUILD_PREBUILT)
skip_build_from_source := true
endif
endif
ifndef skip_build_from_source
include $(BUILD_SYSTEM)/dynamic_binary.mk
# Define PRIVATE_ variables from global vars
my_target_global_ld_dirs := $(TARGET_GLOBAL_LD_DIRS)
ifeq ($(LOCAL_CLANG),true)
my_target_global_ldflags := $(CLANG_TARGET_GLOBAL_LDFLAGS)
ifeq ($(TARGET_IS_64_BIT)|$(LOCAL_32BIT_ONLY),true|true)
LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
else
my_target_global_ldflags := $(TARGET_GLOBAL_LDFLAGS)
endif
my_target_fdo_lib := $(TARGET_FDO_LIB)
my_target_libgcc := $(TARGET_LIBGCC)
my_target_crtbegin_dynamic_o := $(TARGET_CRTBEGIN_DYNAMIC_O)
my_target_crtbegin_static_o := $(TARGET_CRTBEGIN_STATIC_O)
my_target_crtend_o := $(TARGET_CRTEND_O)
ifdef LOCAL_SDK_VERSION
# Make sure the prebuilt NDK paths are put ahead of the TARGET_GLOBAL_LD_DIRS,
# so we don't have race condition when the system libraries (such as libc, libstdc++) are also built in the tree.
my_target_global_ld_dirs := \
$(addprefix -L, $(patsubst %/,%,$(dir $(my_ndk_stl_shared_lib_fullpath))) \
$(my_ndk_version_root)/usr/lib) \
$(my_target_global_ld_dirs)
my_target_global_ldflags := $(my_ndk_stl_shared_lib) $(my_target_global_ldflags)
my_target_crtbegin_dynamic_o := $(wildcard $(my_ndk_version_root)/usr/lib/crtbegin_dynamic.o)
my_target_crtbegin_static_o := $(wildcard $(my_ndk_version_root)/usr/lib/crtbegin_static.o)
my_target_crtend_o := $(wildcard $(my_ndk_version_root)/usr/lib/crtend_android.o)
endif
$(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
$(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
$(linked_module): PRIVATE_TARGET_FDO_LIB := $(my_target_fdo_lib)
$(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
$(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(my_target_crtbegin_dynamic_o)
$(linked_module): PRIVATE_TARGET_CRTBEGIN_STATIC_O := $(my_target_crtbegin_static_o)
$(linked_module): PRIVATE_TARGET_CRTEND_O := $(my_target_crtend_o)
ifeq ($(LOCAL_FORCE_STATIC_EXECUTABLE),true)
$(linked_module): $(my_target_crtbegin_static_o) $(all_objects) $(all_libraries) $(my_target_crtend_o)
$(transform-o-to-static-executable)
else
$(linked_module): $(my_target_crtbegin_dynamic_o) $(all_objects) $(all_libraries) $(my_target_crtend_o)
$(transform-o-to-executable)
LOCAL_2ND_ARCH_VAR_PREFIX :=
endif
endif # skip_build_from_source
include $(BUILD_SYSTEM)/executable_internal.mk
LOCAL_2ND_ARCH_VAR_PREFIX :=