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Add the possibility to import a value from the environment into kconfig
via the option syntax. Beside flexibility this has the advantage
providing proper dependencies.
Documented the options syntax.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Rename E_CHOICE to E_LIST to explicitly add support for expression
lists. Add a helper macro expr_list_for_each_sym to more easily iterate
over the list.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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The *_PRINTED flags were never used - so delete them.
Do we need them later then we can re-add them.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
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We had macros named the same as a set of enumeration values.
It is legal code but very confusing to read - so rename
the macros from E_* to EXPR_*
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
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dep and dep2 in struct symbol was unused - remove them.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
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Roman Zippel wrote:
> A simple example would be
> help texts, right now they are per symbol, but they should really be per
> menu, so archs can provide different help texts for something.
This patch does this and at the same time introduce a few API
funtions used to access the help text.
The relevant api functions are introduced in the various frontends.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
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This makes it possible to change two options which were hardcoded sofar.
1. Any symbol can now take the role of CONFIG_MODULES
2. The more useful option is to change the list of default file names,
which kconfig uses to load the base configuration if .config isn't
available.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Now that kconfig can load multiple configurations, it becomes simple to
integrate the split config step, by simply comparing the new .config file with
the old auto.conf (and then saving the new auto.conf). A nice side effect is
that this saves a bit of disk space and cache, as no data needs to be read
from or saved into the splitted config files anymore (e.g. include/config is
now 648KB instead of 5.2MB).
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Extend conf_read_simple() so it can load multiple configurations.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Extend struct symbol to allow storing multiple default values, which can be
used to hold multiple configurations.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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The SYMBOL_{YES,MOD,NO} are not really used anymore (they were more used be
the cml1 converter), so just remove them.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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When doing its recursive dependency check, scripts/kconfig/conf uses the flag
SYMBOL_CHECK_DONE to avoid rechecking a symbol it has already checked.
However, that flag is only set at the top level, so if a symbol is first
encountered as a dependency of another symbol it will be rechecked every time
it is encountered until it's encountered at the top level.
This patch adjusts the flag setting so that each symbol will only be checked
once, regardless of whether it is first encountered at the top level, or while
recursing down from another symbol. On complex configurations, this vastly
speeds up scripts/kconfig/conf. The config in the powerpc merge tree is
particularly bad: this patch reduces the time for 'scripts/kconfig/conf -o
arch/powerpc/Kconfig' by a factor of 40 on a G5. That's even including the
time to print the config, so the speedup in the actual checking is more likely
2 or 3 orders of magnitude.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Based on patch from: Roman Zippel <zippel@linux-m68k.org>
The search functionality has been improved:
- Restructured printout with more info
- Include value of relevant symbols
- Improved handling of corner cases
- Generic search support moved to backend - ready to be utilised by xconfig and gconfig
- Search functionality moved to fronend - not hardcoded in menubox.c
Sample search (^$ used to limit search):
Search for "^USB_STORAGE$":
Symbol: USB_STORAGE [=y]
Prompt: USB Mass Storage support
Defined at drivers/usb/storage/Kconfig:7
Depends on: USB
Location:
-> Device Drivers
-> USB Support
Selects: SCSI
Some symbols has loong "Depends on:" lines - for example FW_LOADER.
Use arrows to scroll horisontally to see full value.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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From: Roman Zippel <zippel@linux-m68k.org>
This disables some debug prints, which are more confusing than helpful for
normal users.
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Add a number of warnings to avoid misuse of the previously added features
(most important check for recursive dependencies).
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The 'range' keyword allows to define a lower and upper limit for integer
and hex symbols.
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The 'select' keyword defines a lower limit for symbols and allows to
select other symbols when a symbol is selected, e.g.:
config JOLIET
bool "Microsoft Joliet CDROM extensions"
select NLS
This means when JOLIET is selected, NLS will be selected as well.
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"default" accepts now not only a single symbol but also an expression
which can be assigned to boolean and tristate symbols.
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This changes P_ROOTMENU into a MENU_ROOT flag and also fixes some qconf
usability problems.
Some gconf fixes by Romain Lievin <roms@tilp.info>.
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Remove old code and debugging macros which were used by the cml1->kconfig
converter.
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This adds the support for the menuconfig keyword, which allows to define
a config symbol and a submenu with a single step, e.g. instead of
menu "SCSI device support"
config SCSI
tristate "SCSI device support"
this is now enough:
menuconfig SCSI
tristate "SCSI device support"
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Add a changed flag to properties, which can be used by front ends to check
for changed symbols/properties.
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Various small kconfig updates to fix all the reported little problems and
the single menu mode for menuconfig by Petr Baudis <pasky@ucw.cz>.
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This adds the new kernel config core (library + the three front ends).
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