93 lines
3 KiB
Makefile
93 lines
3 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 script is included repeatedly by main.mk to add a new toolchain
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# definition to the NDK build system.
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#
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# '_config_mk' must be defined as the path of a toolchain
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# configuration file (config.mk) that will be included here.
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#
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$(call assert-defined, _config_mk)
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# The list of variables that must or may be defined
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# by the toolchain configuration file
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#
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NDK_TOOLCHAIN_VARS_REQUIRED := TOOLCHAIN_ABIS TOOLCHAIN_ARCH
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NDK_TOOLCHAIN_VARS_OPTIONAL :=
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# Clear variables that are supposed to be defined by the config file
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$(call clear-vars,$(NDK_TOOLCHAIN_VARS_REQUIRED))
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$(call clear-vars,$(NDK_TOOLCHAIN_VARS_OPTIONAL))
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# Include the config file
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include $(_config_mk)
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# Plug in the undefined
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ifeq ($(TOOLCHAIN_ABIS)$(TOOLCHAIN_ARCH),)
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ifeq (1,$(words $(filter-out $(NDK_KNOWN_ARCHS),$(NDK_FOUND_ARCHS))))
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TOOLCHAIN_ARCH := $(filter-out $(NDK_KNOWN_ARCHS),$(NDK_FOUND_ARCHS))
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TOOLCHAIN_ABIS := $(TOOLCHAIN_ARCH) $(NDK_KNOWN_ABIS:%=$(TOOLCHAIN_ARCH)%) $(NDK_KNOWN_ABIS:%=$(TOOLCHAIN_ARCH)bc%)
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endif
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endif
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ifeq ($(TOOLCHAIN_ABIS)$(TOOLCHAIN_ARCH),)
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# Ignore if both TOOLCHAIN_ABIS and TOOLCHAIN_ARCH are not defined
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else
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# Check that the proper variables were defined
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$(call check-required-vars,$(NDK_TOOLCHAIN_VARS_REQUIRED),$(_config_mk))
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# Check that the file didn't do something stupid
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$(call assert-defined, _config_mk)
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# Now record the toolchain-specific information
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_dir := $(patsubst %/,%,$(dir $(_config_mk)))
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_name := $(notdir $(_dir))
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_arch := $(TOOLCHAIN_ARCH)
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_abis := $(TOOLCHAIN_ABIS)
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_toolchain := NDK_TOOLCHAIN.$(_name)
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# check that the toolchain name is unique
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$(if $(strip $($(_toolchain).defined)),\
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$(call __ndk_error,Toolchain $(_name) defined in $(_parent) is\
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already defined in $(NDK_TOOLCHAIN.$(_name).defined)))
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$(_toolchain).defined := $(_toolchain_config)
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$(_toolchain).arch := $(_arch)
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$(_toolchain).abis := $(_abis)
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$(_toolchain).setup := $(wildcard $(_dir)/setup.mk)
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$(if $(strip $($(_toolchain).setup)),,\
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$(call __ndk_error, Toolchain $(_name) lacks a setup.mk in $(_dir)))
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NDK_ALL_TOOLCHAINS += $(_name)
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NDK_ALL_ARCHS += $(_arch)
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NDK_ALL_ABIS += $(_abis)
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# NDK_ABI.<abi>.toolchains records the list of toolchains that support
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# a given ABI
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#
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$(foreach _abi,$(_abis),\
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$(eval NDK_ABI.$(_abi).toolchains += $(_name)) \
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$(eval NDK_ABI.$(_abi).arch := $(sort $(NDK_ABI.$(_abi).arch) $(_arch)))\
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)
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NDK_ARCH.$(_arch).toolchains += $(_name)
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NDK_ARCH.$(_arch).abis := $(sort $(NDK_ARCH.$(_arch).abis) $(_abis))
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endif
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# done
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