35eaed8d07
In the Config.in file of package foo, it often happens that there are other
symbols besides BR2_PACKAGE_FOO. Typically, these symbols only make sense
when foo itself is enabled. There are two ways to express this: with
depends on BR2_PACKAGE_FOO
in each extra symbol, or with
if BR2_PACKAGE_FOO
...
endif
around the entire set of extra symbols.
The if/endif approach avoids the repetition of 'depends on' statements on
multiple symbols, so this is clearly preferred. But even when there is only
one extra symbol, if/endif is a more logical choice:
- it is future-proof for when extra symbols are added
- it allows to have just one strategy instead of two (less confusion)
This patch modifies the Config.in files accordingly.
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
36 lines
703 B
Plaintext
36 lines
703 B
Plaintext
config BR2_PACKAGE_DBUS
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bool "dbus"
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depends on BR2_TOOLCHAIN_HAS_THREADS
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# uses fork()
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depends on BR2_USE_MMU
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help
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The D-Bus message bus system.
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http://www.freedesktop.org/wiki/Software/dbus
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if BR2_PACKAGE_DBUS
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choice
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prompt "XML library to use"
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default BR2_DBUS_EXPAT
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help
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Select the XML library to use with D-Bus. Select Expat
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unless you have specific reasons for using libxml2 as
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Expat is significant smaller.
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config BR2_DBUS_EXPAT
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bool "Expat"
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select BR2_PACKAGE_EXPAT
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config BR2_DBUS_LIBXML2
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bool "libxml2"
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select BR2_PACKAGE_LIBXML2
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endchoice
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endif
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comment "dbus needs a toolchain w/ threads"
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depends on BR2_USE_MMU
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depends on !BR2_TOOLCHAIN_HAS_THREADS
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