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* kconfig: allow long lines in config fileCody Schafer2012-07-131-2/+59
| | | | | | | | | | | For some config options (CONFIG_EXTRA_FIRMWARE, for example), the length of a config file line can exceed the 1024 byte buffer. Switch from fgets to compat_getline to fix. compat_getline is an internally implimented getline work-alike for portability purposes. Signed-off-by: Cody Schafer <cody@linux.vnet.ibm.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: delete last traces of __enabled_ from autoconf.hPaul Gortmaker2012-04-121-11/+0
| | | | | | | | | We've now fixed IS_ENABLED() and friends to not require any special "__enabled_" prefixed versions of the normal Kconfig options, so delete the last traces of them being generated. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Revert "kconfig: fix __enabled_ macros definition for invisible and ↵Paul Gortmaker2012-04-121-36/+13
| | | | | | | | | | | | | | | un-selected symbols" This reverts commit 953742c8fe8ac45be453fee959d7be40cd89f920. Dumping two lines into autoconf.h for all existing Kconfig options results in a giant file (~16k lines) we have to process each time we compile something. We've weaned IS_ENABLED() and similar off of requiring the __enabled_ definitions so now we can revert the change which caused all the extra lines. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kconfig: fix new choices being skipped upon config updateArnaud Lacombe2012-01-261-20/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Running `oldconfig' after any of the following configuration change: either trivial addition, such as: config A bool "A" choice prompt "Choice ?" depends on A config CHOICE_B bool "Choice B" config CHOICE_C bool "Choice C" endchoice or more tricky change: OLD KCONFIG | NEW KCONFIG | | config A | bool "A" | choice | choice prompt "Choice ?" | prompt "Choice ?" | config CHOICE_C | config CHOICE_C bool "Choice C" | bool "Choice C" | config CHOICE_D | config CHOICE_D bool "Choice D" | bool "Choice D" endchoice | | config CHOICE_E | bool "Choice E" | depends on A | endchoice will not cause the choice to be considered as NEW, and thus not be asked. The cause of this behavior is that choice's novelty are computed statically right after the saved configuration has been read. At this point, the new dependency's value is still unknown and asserted to be `no'. Moreover, no update to this decision is made afterward. Correct this by dynamically evaluating a choice's novelty, and removing the static evaluation. Reported-and-tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: use xfwrite wrapper function to silence warningsPeter Foley2011-12-181-2/+2
| | | | | | | | | | | | | | Use the xfwrite wrapper function defined in lkc.h to check the return value of fwrite and silence these warnings. HOSTCC scripts/kconfig/zconf.tab.o scripts/kconfig/zconf.tab.c: In function 'header_print_comment': /usr/src/lto/scripts/kconfig/confdata.c:551:10: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result scripts/kconfig/zconf.tab.c: In function 'kconfig_print_comment': /usr/src/lto/scripts/kconfig/confdata.c:467:10: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: fix __enabled_ macros definition for invisible and un-selected symbolsArnaud Lacombe2011-08-291-13/+36
| | | | | | | | | | __enabled_<sym-name> are only generated on visible or selected entries, do not reflect the purpose of its introduction. Fix this by always generating these entries for named symbol. Reported-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
* kconfig: Introduce IS_ENABLED(), IS_BUILTIN() and IS_MODULE()Michal Marek2011-07-291-57/+14
| | | | | | | | | | | | | | | | | | | Replace the config_is_*() macros with a variant that allows for grepping for usage of CONFIG_* options in the code. Usage: if (IS_ENABLED(CONFIG_NUMA)) or #if IS_ENABLED(CONFIG_NUMA) The IS_ENABLED() macro evaluates to 1 if the argument is set (to either 'y' or 'm'), IS_BUILTIN() tests if the option is 'y' and IS_MODULE() test if the option is 'm'. Only boolean and tristate options are supported. Reviewed-by: Arnaud Lacombe <lacombar@gmail.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: fix missing "0x" prefix from S_HEX symbol in autoconf.hArnaud Lacombe2011-07-181-5/+21
| | | | | | | | | | | | | | | | | | | The specialized printer for headers (espectially autoconf.h) is missing fixup code for S_HEX symbol's "0x" prefix. As long as kconfig does not warn for such missing prefix, this code is needed. Fix this. In the same time, fix some nits in `header_print_symbol()'. Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Broken-by: Arnaud Lacombe <lacombar@gmail.com> Reported-by: Randy Dunlap <rdunlap@xenotime.net> Reported-by: Mauro Carvalho Chehab <mchehab@infradead.org> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: introduce specialized printerArnaud Lacombe2011-07-011-127/+215
| | | | | | | | | | | | | | | Make conf_write_symbol() grammar agnostic to be able to use it from different code path. These path pass a printer callback which will print a symbol's name and its value in different format. conf_write_symbol()'s job become mostly only to prepare a string for the printer. This avoid to have to pass specialized flag to generic functions Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> [mmarek: rebased on top of de12518 (kconfig: autogenerated config_is_xxx macro)] Signed-off-by: Michal Marek <mmarek@suse.cz>
* Merge branch 'kconfig-trivial' of git://github.com/lacombar/linux-2.6 into ↵Michal Marek2011-06-081-2/+7
|\ | | | | | | kbuild/kconfig
| * kconfig: nuke LKC_DIRECT_LINK cruftArnaud Lacombe2011-06-061-1/+0
| | | | | | | | | | | | | | This interface is not (and has never been ?) used by any frontend, just get rid of it. Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
| * kconfig: add missing <stdarg.h> inclusionArnaud Lacombe2011-06-061-0/+1
| | | | | | | | | | | | This header is needed when using va_{start,end,copy}(3) functions family. Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
| * kconfig: fix return code for invalid boolean symbol in conf_set_sym_val()Arnaud Lacombe2011-06-061-1/+1
| | | | | | | | | | Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
| * kconfig: annotate non-trivial fall-troughArnaud Lacombe2011-06-061-0/+5
| | | | | | | | Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
* | kconfig: Only generate config_is_xxx for bool and tristate optionsMichal Marek2011-05-251-5/+3
| | | | | | | | | | | | | | | | | | | | | | For strings and integers, the config_is_xxx macros are useless and sometimes misleading: #define CONFIG_INITRAMFS_SOURCE "" #define config_is_initramfs_source() 1 Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'kbuild/kconfig-for-40' into kbuild/kconfigMichal Marek2011-05-241-11/+1
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| * kconfig: do not record timestamp in .configArnaud Lacombe2011-05-241-11/+1
| | | | | | | | | | Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | kconfig: autogenerated config_is_xxx macroJean-Christophe PLAGNIOL-VILLARD2011-05-171-0/+29
|/ | | | | | | | | | | | | | | | | | | | | this will allow to use to use if(config_is_xxx()) if(config_is_xxx_module()) in the code instead of #ifdef CONFIG_xxx #ifdef CONFIG_xxx_MODULE and now let the compiler remove the non usefull code and not the pre-processor as done in the mach-types for arm as exmaple Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: Do not record timestamp in auto.conf and autoconf.hMichal Marek2011-04-181-6/+2
| | | | | | Timestamps in file data are useless and there is already one in .config Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: fix typosArnaud Lacombe2010-12-151-3/+3
| | | | | Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: nuke second argument of conf_write_symbol()Arnaud Lacombe2010-12-151-13/+5
| | | | | | | | Replacing S_TRISTATE by S_BOOLEAN is a no-op for conf_write_symbol(). Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> [mmarek: Fix unused variable warning in conf_write()] Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: do not define AUTOCONF_INCLUDEDArnaud Lacombe2010-12-151-2/+1
| | | | | | | | AUTOCONF_INCLUDED is not checked is not used within the tree and its parent header, `autoconf.h', is safe to be re-included. Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* Merge branch 'message-callback' into kbuild/kconfigMichal Marek2010-10-281-6/+29
|\ | | | | | | | | Conflicts: scripts/kconfig/nconf.c
| * kconfig: Allow frontends to display messages themselvesMichal Marek2010-08-171-6/+29
| | | | | | | | Signed-off-by: Michal Marek <mmarek@suse.cz>
* | kconfig: Use PATH_MAX instead of 128 for path buffer sizes.Will Newton2010-10-041-2/+2
| | | | | | | | | | | | | | | | | | | | This prevents the buffers being overflowed when using a config file with a long name. PATH_MAX is used elsewhere in the same file, so use it here as well. Signed-off-by: Will Newton <will.newton@imgtec.com> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | kconfig: Don't go out from read config loop when you read new symbolNaohiro Aota2010-09-301-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 8baefd30b5b0101aa07aa75da44a9eee881eed28 of linux-next replaced a `switch()' statement with some `if()' statements, but left `break's in the `switch()' statement untouched. This cause read config loop to exit and so "make oldconfig" is not much usable (see below). > $ make oldconfig ><snip> > scripts/kconfig/conf --oldconfig Kconfig > # > # using defaults found in /boot/config-2.6.34-ccs-r1 > # > * > * Restart config... > * > * > * General setup > * > Prompt for development and/or incomplete code/drivers (EXPERIMENTAL) [N/y/?] (NEW) (I've already have "CONFIG_EXPERIMENTAL=y" in the old config file. But that's not read here.) This patch should fix this problem. Signed-off-by: Naohiro Aota <naota@elisp.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | kconfig: replace KERNELVERSION usage by the mainmenu's promptArnaud Lacombe2010-09-191-10/+6
| | | | | | | | | | | | Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Michal Marek <mmarek@suse.cz>
* | kconfig: allow build-time definition of the internal config prefixArnaud Lacombe2010-09-191-21/+27
| | | | | | | | | | | | Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Michal Marek <mmarek@suse.cz>
* | kconfig: replace a `switch()' statement by a more flexible `if()' statementArnaud Lacombe2010-09-191-14/+5
|/ | | | | | | | | | | With the upcoming dynamical configuration prefix, we can no longer assume that the prefix will start by a 'C'. As such, we can no longer hardcode this value in the `case ...:', so replace the `switch() { ... }' statement by a more flexible 'if () { ... }' statement. Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Michal Marek <mmarek@suse.cz>
* kbuild: confdata.c explicitly reference errno, thus need <errno.h>Arnaud Lacombe2010-08-171-0/+1
| | | | | | | | | | | | | | | This fixes: % gmake LKC_GENPARSER=1 menuconfig [...] scripts/kconfig/confdata.c:739: error: 'errno' undeclared (first use in this function) scripts/kconfig/confdata.c:739: error: (Each undeclared identifier is reported only once scripts/kconfig/confdata.c:739: error: for each function it appears in.) scripts/kconfig/confdata.c:739: error: 'ENOENT' undeclared (first use in this function) triggered on NetBSD. Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: fix savedefconfig with choice marked optionalSam Ravnborg2010-08-151-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | savedefconfig failed to save the correct minimal config when it encountered a choice marked optional. Consider following minimal configuration: $cat Kconfig choice prompt "choice" optional config A bool "a" config B bool "b" endchoice $cat .config | grep -v ^# CONFIG_A=y $conf --savedefconfig=defconfig Kconfig would before this fix result in an empty file, because kconfig would assume that CONFIG_A=y is a default value. But because the choice is optional the default is that both A and B are =n. Fix so we handle optional choices correct. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: Fix warning: ignoring return value of 'fwrite'Jean Sacren2010-08-131-1/+1
| | | | | | | | This fix facilitates fwrite() in both confdata.c and expr.c, either it succeeds in writing, or an error occurs, or the end of file is reached. Signed-off-by: Jean Sacren <sakiwit@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: fix tristate choice with minimal configSam Ravnborg2010-08-121-35/+67
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a minimal config did not specify the value of all choice values, the resulting configuration could have wrong values. Consider following example: config M def_bool y option modules choice prompt "choice list" config A tristate "a" config B tristate "b" endchoice With a defconfig like this: CONFIG_M=y CONFIG_A=y The resulting configuration would have CONFIG_A=m which was unexpected. The problem was not not all choice values were set and thus kconfig calculated a wrong value. The fix is to set all choice values when we read a defconfig files. conf_set_all_new_symbols() is refactored such that random choice values are now handled by a dedicated function. And new choice values are set by set_all_choice_values(). This was not the minimal fix, but the fix that resulted in the most readable code. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reported-by: Arve Hjønnevåg <arve@android.com> Tested-by: Arve Hjønnevåg <arve@android.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: fix savedefconfig for tristate choicesSam Ravnborg2010-08-121-4/+3
| | | | | | | | | | | | | | | | | | | savedefconfig failed to save choice symbols equal to 'y' for tristate choices. This resulted in this value being lost. In particular is fixes an issue where make ARCH=avr32 atngw100_defconfig make ARCH=avr32 savedefconfig cp defconfig arch/avr32/configs/atngw100_defconfig make ARCH=avr32 atngw100_defconfig diff -u .config .config.old failed to produce an identical .config. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: add savedefconfigSam Ravnborg2010-08-031-0/+76
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | savedefconfig will save a minimal config to a file named "defconfig". The config symbols are saved in the same order as they appear in the menu structure so it should be possible to map them to the relevant menus if desired. The implementation was tested against several minimal configs for arm which was created using brute-force. There was one regression related to default numbers which had their valid range further limited by another symbol. Sample: config FOO int "foo" default 4 config BAR int "bar" range 0 FOO If FOO is set to 3 then BAR cannot take a value higher than 3. But the current implementation will set BAR equal to 4. This is seldomly used and the final configuration is OK, and the fix was non-trivial. So it was documented in the code and left as is. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: code refactoring in confdata.cSam Ravnborg2010-08-031-67/+70
| | | | | | | | Add a a few local functions to avoid some code duplication No functional changes. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: fix MODULES-related bug in case of no .configUlf Magnusson2010-07-291-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There seems to be a kconfig bug due to MODULES not always being evaluated if no .config is found. Take the following Kconfig as an example: config MODULES def_bool y config FOO def_tristate m With no .config, the following configuration is generated: CONFIG_MODULES=y CONFIG_FOO=y With an empty .config, the following: CONFIG_MODULES=y CONFIG_FOO=m Tristate choice statements can also exhibit the problem, due to having an implicit rev_dep (select) containing "m". The problem is that MODULES is never evaluted in conf_read_simple() unless there's a .config. The following patch fixes this. Signed-off-by: Ulf Magnusson <ulfalizer.lkml@gmail.com> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kconfig: make randconfig fair for booleansPeter Korsgaard2010-07-261-1/+2
| | | | | | | | Give boolean symbols a 50% chance of getting enabled, rather than 67%. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kbuild: generate modules.builtinMichal Marek2009-12-121-1/+21
| | | | | | | | | | | To make it easier for module-init-tools and scripts like mkinitrd to distinguish builtin and missing modules, install a modules.builtin file listing all builtin modules. This is done by generating an additional config file (tristate.conf) with tristate options set to uppercase 'Y' or 'M'. If we source that config file, the builtin modules appear in obj-Y. Signed-off-by: Michal Marek <mmarek@suse.cz>
* kbuild: move autoconf.h to include/generatedSam Ravnborg2009-12-121-1/+1
| | | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kbuild: add static to prototypesTrevor Keith2009-09-201-1/+1
| | | | | | | | | Warnings found via gcc -Wmissing-prototypes. Signed-off-by: Trevor Keith <tsrk@tsrk.net> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kconfig: do not hardcode "include/config/auto.conf" filenameMarkus Heidelberg2009-06-091-8/+12
| | | | | | | | | | | Regardless of KCONFIG_AUTOCONFIG, the filename written as a Make target into "include/config/auto.conf.cmd" was always the default one. Of course this doesn't make it work for the Kernel kbuild system, since there the filename is hardcoded at several places in the Makefiles. Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kconfig: fix randconfig for choice blocksSam Ravnborg2009-03-151-15/+36
| | | | | | | | | | | | | | | | | | | | | Ingo Molnar reported that 'make randconfig' was not covering choice blocks properly, resulting in certain config options being left out of randconfig testing altogether. With the following patch we: - properly randomize choice value for normal choice blocks - properly randomize for multi choice blocks - added several comments to explain what is going on The root cause of the bug was that SYMBOL_VALID was set on the symbol representing the choice block so clearing this did the trick initially. But testign revealed a few more issues that is now fixed. Reported-by: Ingo Molnar <mingo@elte.hu> Cc: Ingo Molnar <mingo@elte.hu> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* fix allmodconfig breakageAl Viro2008-10-261-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | If you use KCONFIG_ALLCONFIG (even with empty file) you get broken allmodconfig/allyesconfig; CONFIG_MODULES gets turned off, with obvious massive fallout. Breakage had been introduced when conf_set_all_new_symbols() got used for allmodconfig et.al. What happens is that sym_calc_value(modules_sym) done in conf_read_simple() sets SYMBOL_VALID on both modules_sym and MODULES. When we get to conf_set_all_new_symbols(), we set sym->def[S_DEF_USER] on everything, but it has no effect on sym->curr for the symbols that already have SYMBOL_VALID - these are stuck. Solution: use sym_clear_all_valid() in there. Note that it makes reevaluation of modules_sym redundant - sym_clear_all_valid() will do that itself. [ Fixes http://bugzilla.kernel.org/show_bug.cgi?id=11512, says Alexey ] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kconfig: readd lost change countzippel@linux-m68k.org2008-09-291-2/+6
| | | | | | | | | | Commit f072181e6403b0fe2e2aa800a005497b748fd284 ("kconfig: drop the ""trying to assign nonexistent symbol" warning") simply dropped the warnings, but it does a little more than that, it also marks the current .config as needed saving, so add this back. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kconfig: drop the ""trying to assign nonexistent symbol" warningSam Ravnborg2008-08-041-6/+2
| | | | | | | | | They really stand out now that make *config is less chatty - and they are generally ignored - so drop them. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Adrian Bunk <bunk@kernel.org>
* kconfig: set all new symbols automaticallyRoman Zippel2008-07-251-0/+70
| | | | | | | | Add conf_set_all_new_symbols() which set all symbols (which don't have a value yet) to a specifed value. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kconfig: explicitly introduce expression listRoman Zippel2008-01-281-4/+4
| | | | | | | | | 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>
* kconfig: rename E_OR & friends to avoid name clashSam Ravnborg2008-01-281-1/+1
| | | | | | | | | 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>
* kconfig: allow overriding symbolsJan Engelhardt2008-01-281-9/+5
| | | | | | | | | | | | | | | | | | Allow config variables in .config to override earlier ones in the same file. In other words, # CONFIG_SECURITY is not defined CONFIG_SECURITY=y will activate it. This makes it a bit easier to do cat original-config myconfig myconfig2 ... >.config; and run *config as expected. Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Randy Dunlap <randy.dunlap@oracle.com>
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