| # Copyright (C) 2009 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| # this file is included repeatedly from build/core/setup-abi.mk and is used |
| # to setup the target toolchain for a given platform/abi combination. |
| # |
| |
| $(call assert-defined,TARGET_PLATFORM TARGET_ARCH TARGET_ARCH_ABI) |
| $(call assert-defined,NDK_APPS NDK_APP_STL) |
| |
| LLVM_VERSION_LIST := 2.6 2.7 2.8 2.9 3.0 3.1 3.2 |
| |
| # Check that we have a toolchain that supports the current ABI. |
| # NOTE: If NDK_TOOLCHAIN is defined, we're going to use it. |
| # |
| ifndef NDK_TOOLCHAIN |
| TARGET_TOOLCHAIN_LIST := $(strip $(sort $(NDK_ABI.$(TARGET_ARCH_ABI).toolchains))) |
| |
| # Filter out the Clang toolchain, so that we can keep GCC as the default |
| # toolchain. |
| $(foreach _ver,$(LLVM_VERSION_LIST), \ |
| $(eval TARGET_TOOLCHAIN_LIST := \ |
| $(filter-out %-clang$(_ver),$(TARGET_TOOLCHAIN_LIST)))) |
| # Filter out 4.7 which is considered experimental at this moment |
| TARGET_TOOLCHAIN_LIST := $(filter-out %4.7,$(TARGET_TOOLCHAIN_LIST)) |
| |
| ifndef TARGET_TOOLCHAIN_LIST |
| $(call __ndk_info,There is no toolchain that supports the $(TARGET_ARCH_ABI) ABI.) |
| $(call __ndk_info,Please modify the APP_ABI definition in $(NDK_APP_APPLICATION_MK) to use) |
| $(call __ndk_info,a set of the following values: $(NDK_ALL_ABIS)) |
| $(call __ndk_error,Aborting) |
| endif |
| # Select the last toolchain from the sorted list. |
| # For now, this is enough to select armeabi-4.6 by default for ARM |
| TARGET_TOOLCHAIN := $(lastword $(TARGET_TOOLCHAIN_LIST)) |
| |
| # If NDK_TOOLCHAIN_VERSION is defined, we replace the toolchain version |
| # suffix with it. |
| # |
| ifdef NDK_TOOLCHAIN_VERSION |
| # Replace "clang" with the most recent verion |
| ifeq ($(NDK_TOOLCHAIN_VERSION),clang) |
| NDK_TOOLCHAIN_VERSION=clang$(lastword $(LLVM_VERSION_LIST)) |
| fi |
| # We assume the toolchain name uses dashes (-) as separators and doesn't |
| # contain any space. The following is a bit subtle, but essentially |
| # does the following: |
| # |
| # 1/ Use 'subst' to convert dashes into spaces, this generates a list |
| # 2/ Use 'chop' to remove the last element of the list |
| # 3/ Use 'subst' again to convert the spaces back into dashes |
| # |
| # So it TARGET_TOOLCHAIN is 'foo-bar-zoo-xxx', then |
| # TARGET_TOOLCHAIN_BASE will be 'foo-bar-zoo' |
| # |
| TARGET_TOOLCHAIN_BASE := $(subst $(space),-,$(call chop,$(subst -,$(space),$(TARGET_TOOLCHAIN)))) |
| TARGET_TOOLCHAIN := $(TARGET_TOOLCHAIN_BASE)-$(NDK_TOOLCHAIN_VERSION) |
| $(call ndk_log,Using target toolchain '$(TARGET_TOOLCHAIN)' for '$(TARGET_ARCH_ABI)' ABI (through NDK_TOOLCHAIN_VERSION)) |
| else |
| $(call ndk_log,Using target toolchain '$(TARGET_TOOLCHAIN)' for '$(TARGET_ARCH_ABI)' ABI) |
| endif |
| else # NDK_TOOLCHAIN is not empty |
| TARGET_TOOLCHAIN_LIST := $(strip $(filter $(NDK_TOOLCHAIN),$(NDK_ABI.$(TARGET_ARCH_ABI).toolchains))) |
| ifndef TARGET_TOOLCHAIN_LIST |
| $(call __ndk_info,The selected toolchain ($(NDK_TOOLCHAIN)) does not support the $(TARGET_ARCH_ABI) ABI.) |
| $(call __ndk_info,Please modify the APP_ABI definition in $(NDK_APP_APPLICATION_MK) to use) |
| $(call __ndk_info,a set of the following values: $(NDK_TOOLCHAIN.$(NDK_TOOLCHAIN).abis)) |
| $(call __ndk_info,Or change your NDK_TOOLCHAIN definition.) |
| $(call __ndk_error,Aborting) |
| endif |
| TARGET_TOOLCHAIN := $(NDK_TOOLCHAIN) |
| endif # NDK_TOOLCHAIN is not empty |
| |
| TARGET_ABI := $(TARGET_PLATFORM)-$(TARGET_ARCH_ABI) |
| |
| # setup sysroot-related variables. The SYSROOT point to a directory |
| # that contains all public header files for a given platform, plus |
| # some libraries and object files used for linking the generated |
| # target files properly. |
| # |
| SYSROOT := $(NDK_PLATFORMS_ROOT)/$(TARGET_PLATFORM)/arch-$(TARGET_ARCH) |
| |
| TARGET_CRTBEGIN_STATIC_O := $(SYSROOT)/usr/lib/crtbegin_static.o |
| TARGET_CRTBEGIN_DYNAMIC_O := $(SYSROOT)/usr/lib/crtbegin_dynamic.o |
| TARGET_CRTEND_O := $(SYSROOT)/usr/lib/crtend_android.o |
| |
| # crtbegin_so.o and crtend_so.o are not available for all platforms, so |
| # only define them if they are in the sysroot |
| # |
| TARGET_CRTBEGIN_SO_O := $(strip $(wildcard $(SYSROOT)/usr/lib/crtbegin_so.o)) |
| TARGET_CRTEND_SO_O := $(strip $(wildcard $(SYSROOT)/usr/lib/crtend_so.o)) |
| |
| TARGET_PREBUILT_SHARED_LIBRARIES := |
| |
| # Define default values for TOOLCHAIN_NAME, this can be overriden in |
| # the setup file. |
| TOOLCHAIN_NAME := $(TARGET_TOOLCHAIN) |
| TOOLCHAIN_VERSION := $(call last,$(subst -,$(space),$(TARGET_TOOLCHAIN))) |
| |
| # Define the root path of the toolchain in the NDK tree. |
| TOOLCHAIN_ROOT := $(NDK_ROOT)/toolchains/$(TOOLCHAIN_NAME) |
| |
| # Define the root path where toolchain prebuilts are stored |
| TOOLCHAIN_PREBUILT_ROOT := $(call host-prebuilt-tag,$(TOOLCHAIN_ROOT)) |
| |
| # Do the same for TOOLCHAIN_PREFIX. Note that we must chop the version |
| # number from the toolchain name, e.g. arm-eabi-4.4.0 -> path/bin/arm-eabi- |
| # to do that, we split at dashes, remove the last element, then merge the |
| # result. Finally, add the complete path prefix. |
| # |
| TOOLCHAIN_PREFIX := $(call merge,-,$(call chop,$(call split,-,$(TOOLCHAIN_NAME))))- |
| TOOLCHAIN_PREFIX := $(TOOLCHAIN_PREBUILT_ROOT)/bin/$(TOOLCHAIN_PREFIX) |
| |
| # Default build commands, can be overriden by the toolchain's setup script |
| include $(BUILD_SYSTEM)/default-build-commands.mk |
| |
| # now call the toolchain-specific setup script |
| include $(NDK_TOOLCHAIN.$(TARGET_TOOLCHAIN).setup) |
| |
| # We expect the gdbserver binary for this toolchain to be located at its root. |
| TARGET_GDBSERVER := $(NDK_ROOT)/prebuilt/android-$(TARGET_ARCH)/gdbserver/gdbserver |
| |
| # compute NDK_APP_DST_DIR as the destination directory for the generated files |
| NDK_APP_DST_DIR := $(NDK_APP_PROJECT_PATH)/libs/$(TARGET_ARCH_ABI) |
| |
| clean-installed-binaries:: |
| |
| # Ensure that for debuggable applications, gdbserver will be copied to |
| # the proper location |
| |
| NDK_APP_GDBSERVER := $(NDK_APP_DST_DIR)/gdbserver |
| NDK_APP_GDBSETUP := $(NDK_APP_DST_DIR)/gdb.setup |
| |
| ifeq ($(NDK_APP_DEBUGGABLE),true) |
| |
| installed_modules: $(NDK_APP_GDBSERVER) |
| |
| $(NDK_APP_GDBSERVER): PRIVATE_NAME := $(TOOLCHAIN_NAME) |
| $(NDK_APP_GDBSERVER): PRIVATE_SRC := $(TARGET_GDBSERVER) |
| $(NDK_APP_GDBSERVER): PRIVATE_DST := $(NDK_APP_GDBSERVER) |
| |
| $(call generate-file-dir,$(NDK_APP_GDBSERVER)) |
| |
| $(NDK_APP_GDBSERVER): clean-installed-binaries |
| @ $(HOST_ECHO) "Gdbserver : [$(PRIVATE_NAME)] $(call pretty-dir,$(PRIVATE_DST))" |
| $(hide) $(call host-install,$(PRIVATE_SRC),$(PRIVATE_DST)) |
| |
| installed_modules: $(NDK_APP_GDBSETUP) |
| |
| $(NDK_APP_GDBSETUP): PRIVATE_DST := $(NDK_APP_GDBSETUP) |
| $(NDK_APP_GDBSETUP): PRIVATE_SOLIB_PATH := $(TARGET_OUT) |
| $(NDK_APP_GDBSETUP): PRIVATE_SRC_DIRS := $(SYSROOT)/usr/include |
| |
| $(NDK_APP_GDBSETUP): |
| @ $(HOST_ECHO) "Gdbsetup : $(call pretty-dir,$(PRIVATE_DST))" |
| $(hide) $(HOST_ECHO) "set solib-search-path $(call host-path,$(PRIVATE_SOLIB_PATH))" > $(PRIVATE_DST) |
| $(hide) $(HOST_ECHO) "directory $(call host-path,$(call remove-duplicates,$(PRIVATE_SRC_DIRS)))" >> $(PRIVATE_DST) |
| |
| $(call generate-file-dir,$(NDK_APP_GDBSETUP)) |
| |
| # This prevents parallel execution to clear gdb.setup after it has been written to |
| $(NDK_APP_GDBSETUP): clean-installed-binaries |
| endif |
| |
| # free the dictionary of LOCAL_MODULE definitions |
| $(call modules-clear) |
| |
| $(call ndk-stl-select,$(NDK_APP_STL)) |
| |
| # now parse the Android.mk for the application, this records all |
| # module declarations, but does not populate the dependency graph yet. |
| include $(NDK_APP_BUILD_SCRIPT) |
| |
| $(call ndk-stl-add-dependencies,$(NDK_APP_STL)) |
| |
| # recompute all dependencies between modules |
| $(call modules-compute-dependencies) |
| |
| # for debugging purpose |
| ifdef NDK_DEBUG_MODULES |
| $(call modules-dump-database) |
| endif |
| |
| # now, really build the modules, the second pass allows one to deal |
| # with exported values |
| $(foreach __pass2_module,$(__ndk_modules),\ |
| $(eval LOCAL_MODULE := $(__pass2_module))\ |
| $(eval include $(BUILD_SYSTEM)/build-binary.mk)\ |
| ) |
| |
| # Now compute the closure of all module dependencies. |
| # |
| # If APP_MODULES is not defined in the Application.mk, we |
| # will build all modules that were listed from the top-level Android.mk |
| # and the installable imported ones they depend on |
| # |
| ifeq ($(strip $(NDK_APP_MODULES)),) |
| WANTED_MODULES := $(call modules-get-all-installable,$(modules-get-top-list)) |
| else |
| WANTED_MODULES := $(call module-get-all-dependencies,$(NDK_APP_MODULES)) |
| endif |
| |
| WANTED_INSTALLED_MODULES += $(call map,module-get-installed,$(WANTED_MODULES)) |