254 lines
11 KiB
Makefile
254 lines
11 KiB
Makefile
# Copyright (C) 2009 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# this file is included repeatedly from build/core/setup-abi.mk and is used
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# to setup the target toolchain for a given platform/abi combination.
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#
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$(call assert-defined,TARGET_PLATFORM TARGET_ARCH TARGET_ARCH_ABI)
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$(call assert-defined,NDK_APPS NDK_APP_STL)
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LLVM_VERSION_LIST := 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
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NDK_64BIT_TOOLCHAIN_LIST := clang3.6 clang3.5 clang3.4 4.9
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# Check that we have a toolchain that supports the current ABI.
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# NOTE: If NDK_TOOLCHAIN is defined, we're going to use it.
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#
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ifndef NDK_TOOLCHAIN
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TARGET_TOOLCHAIN_LIST := $(strip $(sort $(NDK_ABI.$(TARGET_ARCH_ABI).toolchains)))
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# Filter out the Clang toolchain, so that we can keep GCC as the default
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# toolchain.
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$(foreach _ver,$(LLVM_VERSION_LIST), \
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$(eval TARGET_TOOLCHAIN_LIST := \
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$(filter-out %-clang$(_ver),$(TARGET_TOOLCHAIN_LIST))))
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ifeq (,$(findstring 64,$(TARGET_ARCH_ABI)))
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# Filter out 4.6 and 4.7 which are deprecated
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__filtered_toolchain_list := $(filter-out %4.6 %4.7,$(TARGET_TOOLCHAIN_LIST))
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ifdef __filtered_toolchain_list
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TARGET_TOOLCHAIN_LIST := $(__filtered_toolchain_list)
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endif
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else
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# Filter out 4.6, 4.7 and 4.8 which don't have good 64-bit support in all supported arch
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TARGET_TOOLCHAIN_LIST := $(filter-out %4.6 %4.7 %4.8 %4.8l,$(TARGET_TOOLCHAIN_LIST))
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endif
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ifndef TARGET_TOOLCHAIN_LIST
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$(call __ndk_info,There is no toolchain that supports the $(TARGET_ARCH_ABI) ABI.)
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$(call __ndk_info,Please modify the APP_ABI definition in $(NDK_APP_APPLICATION_MK) to use)
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$(call __ndk_info,a set of the following values: $(NDK_ALL_ABIS))
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$(call __ndk_error,Aborting)
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endif
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# Select the last toolchain from the sorted list.
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# For now, this is enough to select by default gcc4.8 for 32-bit, and 4.9 for 64-bit, the the
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# latest llvm if no gcc
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ifneq (,$(filter-out llvm-%,$(TARGET_TOOLCHAIN_LIST)))
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TARGET_TOOLCHAIN := $(firstword $(TARGET_TOOLCHAIN_LIST))
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else
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TARGET_TOOLCHAIN := $(lastword $(TARGET_TOOLCHAIN_LIST))
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endif
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# If NDK_TOOLCHAIN_VERSION is defined, we replace the toolchain version
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# suffix with it.
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#
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ifdef NDK_TOOLCHAIN_VERSION
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# Replace "clang" with the most recent verion
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ifeq ($(NDK_TOOLCHAIN_VERSION),clang)
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override NDK_TOOLCHAIN_VERSION := clang$(lastword $(LLVM_VERSION_LIST))
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endif
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__use_ndk_toolchain_version := true
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ifneq (,$(findstring 64,$(TARGET_ARCH_ABI)))
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# don't allow NDK_TOOLCHAIN_VERSION to change if it doesn't support 64-bit
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ifeq (,$(filter $(NDK_64BIT_TOOLCHAIN_LIST),$(NDK_TOOLCHAIN_VERSION)))
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$(call ndk_log,Specified NDK_TOOLCHAIN_VERSION $(NDK_TOOLCHAIN_VERSION) does not support 64-bit)
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$(call ndk_log,Using default target toolchain '$(TARGET_TOOLCHAIN)' for '$(TARGET_ARCH_ABI)' ABI)
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__use_ndk_toolchain_version := false;
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endif
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endif
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ifeq ($(__use_ndk_toolchain_version),true)
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# We assume the toolchain name uses dashes (-) as separators and doesn't
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# contain any space. The following is a bit subtle, but essentially
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# does the following:
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#
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# 1/ Use 'subst' to convert dashes into spaces, this generates a list
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# 2/ Use 'chop' to remove the last element of the list
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# 3/ Use 'subst' again to convert the spaces back into dashes
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#
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# So it TARGET_TOOLCHAIN is 'foo-bar-zoo-xxx', then
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# TARGET_TOOLCHAIN_BASE will be 'foo-bar-zoo'
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#
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TARGET_TOOLCHAIN_BASE := $(subst $(space),-,$(call chop,$(subst -,$(space),$(TARGET_TOOLCHAIN))))
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# if TARGET_TOOLCHAIN_BASE is llvm, remove clang from NDK_TOOLCHAIN_VERSION
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VERSION := $(NDK_TOOLCHAIN_VERSION)
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ifeq ($(TARGET_TOOLCHAIN_BASE),llvm)
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VERSION := $(subst clang,,$(NDK_TOOLCHAIN_VERSION))
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endif
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TARGET_TOOLCHAIN := $(TARGET_TOOLCHAIN_BASE)-$(VERSION)
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$(call ndk_log,Using target toolchain '$(TARGET_TOOLCHAIN)' for '$(TARGET_ARCH_ABI)' ABI (through NDK_TOOLCHAIN_VERSION))
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endif
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else
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$(call ndk_log,Using target toolchain '$(TARGET_TOOLCHAIN)' for '$(TARGET_ARCH_ABI)' ABI)
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endif
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else # NDK_TOOLCHAIN is not empty
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TARGET_TOOLCHAIN_LIST := $(strip $(filter $(NDK_TOOLCHAIN),$(NDK_ABI.$(TARGET_ARCH_ABI).toolchains)))
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ifndef TARGET_TOOLCHAIN_LIST
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$(call __ndk_info,The selected toolchain ($(NDK_TOOLCHAIN)) does not support the $(TARGET_ARCH_ABI) ABI.)
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$(call __ndk_info,Please modify the APP_ABI definition in $(NDK_APP_APPLICATION_MK) to use)
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$(call __ndk_info,a set of the following values: $(NDK_TOOLCHAIN.$(NDK_TOOLCHAIN).abis))
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$(call __ndk_info,Or change your NDK_TOOLCHAIN definition.)
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$(call __ndk_error,Aborting)
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endif
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TARGET_TOOLCHAIN := $(NDK_TOOLCHAIN)
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endif # NDK_TOOLCHAIN is not empty
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TARGET_ABI := $(TARGET_PLATFORM)-$(TARGET_ARCH_ABI)
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# setup sysroot variable.
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# SYSROOT_INC points to a directory that contains all public header
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# files for a given platform, and
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# SYSROOT_LIB points to libraries and object files used for linking
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# the generated target files properly.
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#
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SYSROOT_INC := $(NDK_PLATFORMS_ROOT)/$(TARGET_PLATFORM)/arch-$(TARGET_ARCH)
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SYSROOT_LINK := $(SYSROOT_INC)
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TARGET_PREBUILT_SHARED_LIBRARIES :=
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# Define default values for TOOLCHAIN_NAME, this can be overriden in
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# the setup file.
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TOOLCHAIN_NAME := $(TARGET_TOOLCHAIN)
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TOOLCHAIN_VERSION := $(call last,$(subst -,$(space),$(TARGET_TOOLCHAIN)))
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# Define the root path where toolchain prebuilts are stored
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TOOLCHAIN_PREBUILT_ROOT := $(call get-toolchain-root,$(TOOLCHAIN_NAME))
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# Do the same for TOOLCHAIN_PREFIX. Note that we must chop the version
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# number from the toolchain name, e.g. arm-eabi-4.4.0 -> path/bin/arm-eabi-
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# to do that, we split at dashes, remove the last element, then merge the
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# result. Finally, add the complete path prefix.
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#
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TOOLCHAIN_PREFIX := $(call merge,-,$(call chop,$(call split,-,$(TOOLCHAIN_NAME))))-
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TOOLCHAIN_PREFIX := $(TOOLCHAIN_PREBUILT_ROOT)/bin/$(TOOLCHAIN_PREFIX)
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# We expect the gdbserver binary for this toolchain to be located at its root.
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TARGET_GDBSERVER := $(NDK_ROOT)/prebuilt/android-$(TARGET_ARCH)/gdbserver/gdbserver
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# compute NDK_APP_DST_DIR as the destination directory for the generated files
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NDK_APP_DST_DIR := $(NDK_APP_LIBS_OUT)/$(TARGET_ARCH_ABI)
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# install armeabi-v7a-hard to lib/armeabi-v7a, unless under testing where env. var. _NDK_TESTING_ALL_
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# is set to one of yes, all, all32, or all64
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ifeq (,$(filter yes all all32 all64,$(_NDK_TESTING_ALL_)))
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ifeq ($(TARGET_ARCH_ABI),armeabi-v7a-hard)
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NDK_APP_DST_DIR := $(NDK_APP_LIBS_OUT)/armeabi-v7a
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endif
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endif
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# Default build commands, can be overriden by the toolchain's setup script
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include $(BUILD_SYSTEM)/default-build-commands.mk
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# now call the toolchain-specific setup script
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include $(NDK_TOOLCHAIN.$(TARGET_TOOLCHAIN).setup)
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clean-installed-binaries::
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# Ensure that for debuggable applications, gdbserver will be copied to
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# the proper location
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NDK_APP_GDBSERVER := $(NDK_APP_DST_DIR)/gdbserver
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NDK_APP_GDBSETUP := $(NDK_APP_DST_DIR)/gdb.setup
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ifeq ($(NDK_APP_DEBUGGABLE),true)
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ifeq ($(TARGET_SONAME_EXTENSION),.so)
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installed_modules: $(NDK_APP_GDBSERVER)
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$(NDK_APP_GDBSERVER): PRIVATE_ABI := $(TARGET_ARCH_ABI)
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$(NDK_APP_GDBSERVER): PRIVATE_NAME := $(TOOLCHAIN_NAME)
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$(NDK_APP_GDBSERVER): PRIVATE_SRC := $(TARGET_GDBSERVER)
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$(NDK_APP_GDBSERVER): PRIVATE_DST := $(NDK_APP_GDBSERVER)
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$(call generate-file-dir,$(NDK_APP_GDBSERVER))
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$(NDK_APP_GDBSERVER): clean-installed-binaries
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$(call host-echo-build-step,$(PRIVATE_ABI),Gdbserver) "[$(PRIVATE_NAME)] $(call pretty-dir,$(PRIVATE_DST))"
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$(hide) $(call host-install,$(PRIVATE_SRC),$(PRIVATE_DST))
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endif
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# Install gdb.setup for both .so and .bc projects
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ifneq (,$(filter $(TARGET_SONAME_EXTENSION),.so .bc))
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installed_modules: $(NDK_APP_GDBSETUP)
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$(NDK_APP_GDBSETUP): PRIVATE_ABI := $(TARGET_ARCH_ABI)
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$(NDK_APP_GDBSETUP): PRIVATE_DST := $(NDK_APP_GDBSETUP)
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$(NDK_APP_GDBSETUP): PRIVATE_SOLIB_PATH := $(TARGET_OUT)
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$(NDK_APP_GDBSETUP): PRIVATE_SRC_DIRS := $(SYSROOT_INC)/usr/include
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$(NDK_APP_GDBSETUP):
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$(call host-echo-build-step,$(PRIVATE_ABI),Gdbsetup) "$(call pretty-dir,$(PRIVATE_DST))"
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$(hide) $(HOST_ECHO) "set solib-search-path $(call host-path,$(PRIVATE_SOLIB_PATH))" > $(PRIVATE_DST)
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$(hide) $(HOST_ECHO) "directory $(call host-path,$(call remove-duplicates,$(PRIVATE_SRC_DIRS)))" >> $(PRIVATE_DST)
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$(call generate-file-dir,$(NDK_APP_GDBSETUP))
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# This prevents parallel execution to clear gdb.setup after it has been written to
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$(NDK_APP_GDBSETUP): clean-installed-binaries
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endif
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endif
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# free the dictionary of LOCAL_MODULE definitions
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$(call modules-clear)
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$(call ndk-stl-select,$(NDK_APP_STL))
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# now parse the Android.mk for the application, this records all
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# module declarations, but does not populate the dependency graph yet.
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include $(NDK_APP_BUILD_SCRIPT)
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$(call ndk-stl-add-dependencies,$(NDK_APP_STL))
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# recompute all dependencies between modules
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$(call modules-compute-dependencies)
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# for debugging purpose
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ifdef NDK_DEBUG_MODULES
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$(call modules-dump-database)
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endif
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# now, really build the modules, the second pass allows one to deal
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# with exported values
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$(foreach __pass2_module,$(__ndk_modules),\
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$(eval LOCAL_MODULE := $(__pass2_module))\
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$(eval include $(BUILD_SYSTEM)/build-binary.mk)\
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)
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# Now compute the closure of all module dependencies.
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#
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# If APP_MODULES is not defined in the Application.mk, we
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# will build all modules that were listed from the top-level Android.mk
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# and the installable imported ones they depend on
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#
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ifeq ($(strip $(NDK_APP_MODULES)),)
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WANTED_MODULES := $(call modules-get-all-installable,$(modules-get-top-list))
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ifeq (,$(strip $(WANTED_MODULES)))
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WANTED_MODULES := $(modules-get-top-list)
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$(call ndk_log,[$(TARGET_ARCH_ABI)] No installable modules in project - forcing static library build)
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endif
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else
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WANTED_MODULES := $(call module-get-all-dependencies,$(NDK_APP_MODULES))
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endif
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$(call ndk_log,[$(TARGET_ARCH_ABI)] Modules to build: $(WANTED_MODULES))
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WANTED_INSTALLED_MODULES += $(call map,module-get-installed,$(WANTED_MODULES))
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