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https://github.com/zephyrproject-rtos/zephyr
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48753144bd
Some of these are from 'source'ing a file within a menu that has a
'depends on NET_L2_ETHERNET' (in drivers/ethernet/Kconfig) and then
adding another 'depends on NET_L2_ETHERNET' within it.
Similarly, subsys/net/l2/ethernet/Kconfig sources files within an
'if NET_L2_ETHERNET'.
'if FOO' is just shorthand for adding 'depends on FOO' to each item
within the 'if'. Dependencies on menus work similarly. There are no
"conditional includes" in Kconfig, so 'if FOO' has no special meaning
around a source. Conditional includes wouldn't be possible, because an
if condition could include (directly or indirectly) forward references
to symbols not defined yet.
Tip: When adding a symbol, check its dependencies in the menuconfig
('ninja menuconfig', then / to jump to the symbol). The menuconfig also
shows how the file with the symbol got included, so if you see
duplicated dependencies, it's easy to hunt down where they come from.
Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
20 lines
414 B
Plaintext
20 lines
414 B
Plaintext
#
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# Copyright (c) 2018 Linaro Limited
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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menuconfig ETH_SMSC911X
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bool "SMSC911x/9220 Ethernet driver"
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help
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Enable driver for SMSC/LAN911x/9220 family of chips.
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# Hidden option
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config ETH_NIC_MODEL
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string
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default "lan9118"
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depends on ETH_SMSC911X
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help
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Tells what Qemu network model to use. This value is given as
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a parameter to -nic qemu command line option.
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