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With the new Kconfig preprocessor (described in https://github.com/torvalds/linux/blob/master/Documentation/kbuild/ kconfig-macro-language.txt), the syntax for expanding environment variables is $(FOO) rather than $FOO. $(FOO) is a general preprocessor variable expansion, which falls back to environment variables if the variable isn't set (like in Make). It can also be used in prompts, 'comment's, etc. The old syntax will probably be supported forever in Kconfiglib for backwards compatibility, but might as well make it consistent now that people might start using the preprocessor more. Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
40 lines
920 B
Plaintext
40 lines
920 B
Plaintext
# Kconfig - general configuration options
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#
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# Copyright (c) 2014-2015 Wind River Systems, Inc.
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# Copyright (c) 2016 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Include these first so that any properties (e.g. defaults) below can be
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# overriden in *.defconfig files (by defining symbols in multiple locations).
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# After merging all the symbol definitions, Kconfig picks the first property
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# (e.g. the first default) with a satisfied condition.
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#
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# Board defaults should be parsed before SoC defaults, because boards usually
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# overrides SoC values.
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#
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# Note: $ARCH and $BOARD_DIR might be glob patterns.
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source "$(BOARD_DIR)/Kconfig.defconfig"
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source "arch/$(ARCH)/soc/*/Kconfig.defconfig"
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source "arch/Kconfig"
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source "kernel/Kconfig"
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source "dts/Kconfig"
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source "drivers/Kconfig"
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source "misc/Kconfig"
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source "lib/Kconfig"
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source "subsys/Kconfig"
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source "ext/Kconfig"
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source "tests/Kconfig"
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