66 lines
2.2 KiB
Makefile
66 lines
2.2 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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# 'toolchain_config' 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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$(call assert-defined, _config_mk)
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# The list of variables that must or may be defined
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# by the toolchain configuration file
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#
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NDK_TOOLCHAIN_VARS_REQUIRED := TOOLCHAIN_ABIS
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NDK_TOOLCHAIN_VARS_OPTIONAL :=
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# Clear variables that are supposed to be defined by the config file
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$(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 $(_config_mk)
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# Check that the proper variables were defined
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$(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 informatio
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_dir := $(patsubst %/,%,$(dir $(_config_mk)))
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_name := $(notdir $(_dir))
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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).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_ABIS += $(_abis)
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# done
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