kconfig: resort the documentation of the environment variables
All the KCONFIG_ environment variables were previously located in a
section "Environment variables in 'menuconfig'", but neither are they
restricted to 'menuconfig' nor are they all used by 'menuconfig'.
Introduce the following three sections for these variables:
* Environment variables for '*config'
* Environment variables for '{allyes/allmod/allno/rand}config'
* Environment variables for 'silentoldconfig'
Furthermore this puts MENUCONFIG_MODE next to MENUCONFIG_COLOR into a
common section "User interface options for 'menuconfig'".
Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Markus Heidelberg
Sam Ravnborg
parent
590a585729
commit
98f540d31b
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@ -35,6 +35,79 @@ new .config files to see the differences:
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(Yes, we need something better here.)
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______________________________________________________________________
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Environment variables for '*config'
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KCONFIG_CONFIG
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--------------------------------------------------
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This environment variable can be used to specify a default kernel config
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file name to override the default name of ".config".
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KCONFIG_OVERWRITECONFIG
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--------------------------------------------------
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If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
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break symlinks when .config is a symlink to somewhere else.
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KCONFIG_NOTIMESTAMP
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--------------------------------------------------
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If this environment variable exists and is non-null, the timestamp line
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in generated .config files is omitted.
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______________________________________________________________________
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Environment variables for '{allyes/allmod/allno/rand}config'
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KCONFIG_ALLCONFIG
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--------------------------------------------------
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(partially based on lkml email from/by Rob Landley, re: miniconfig)
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--------------------------------------------------
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The allyesconfig/allmodconfig/allnoconfig/randconfig variants can
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also use the environment variable KCONFIG_ALLCONFIG as a flag or a
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filename that contains config symbols that the user requires to be
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set to a specific value. If KCONFIG_ALLCONFIG is used without a
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filename, "make *config" checks for a file named
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"all{yes/mod/no/random}.config" (corresponding to the *config command
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that was used) for symbol values that are to be forced. If this file
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is not found, it checks for a file named "all.config" to contain forced
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values.
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This enables you to create "miniature" config (miniconfig) or custom
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config files containing just the config symbols that you are interested
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in. Then the kernel config system generates the full .config file,
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including symbols of your miniconfig file.
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This 'KCONFIG_ALLCONFIG' file is a config file which contains
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(usually a subset of all) preset config symbols. These variable
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settings are still subject to normal dependency checks.
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Examples:
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KCONFIG_ALLCONFIG=custom-notebook.config make allnoconfig
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or
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KCONFIG_ALLCONFIG=mini.config make allnoconfig
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or
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make KCONFIG_ALLCONFIG=mini.config allnoconfig
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These examples will disable most options (allnoconfig) but enable or
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disable the options that are explicitly listed in the specified
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mini-config files.
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______________________________________________________________________
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Environment variables for 'silentoldconfig'
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KCONFIG_NOSILENTUPDATE
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--------------------------------------------------
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If this variable has a non-blank value, it prevents silent kernel
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config udpates (requires explicit updates).
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KCONFIG_AUTOCONFIG
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--------------------------------------------------
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This environment variable can be set to specify the path & name of the
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"auto.conf" file. Its default value is "include/config/auto.conf".
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KCONFIG_AUTOHEADER
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--------------------------------------------------
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This environment variable can be set to specify the path & name of the
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"autoconf.h" (header) file. Its default value is "include/linux/autoconf.h".
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======================================================================
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menuconfig
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@ -60,10 +133,11 @@ Searching in menuconfig:
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/^hotplug
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______________________________________________________________________
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Color Themes for 'menuconfig'
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User interface options for 'menuconfig'
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MENUCONFIG_COLOR
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--------------------------------------------------
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It is possible to select different color themes using the variable
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MENUCONFIG_COLOR. To select a theme use:
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@ -75,83 +149,13 @@ Available themes are:
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classic => theme with blue background. The classic look
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bluetitle => a LCD friendly version of classic. (default)
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______________________________________________________________________
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Environment variables in 'menuconfig'
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KCONFIG_ALLCONFIG
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--------------------------------------------------
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(partially based on lkml email from/by Rob Landley, re: miniconfig)
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--------------------------------------------------
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The allyesconfig/allmodconfig/allnoconfig/randconfig variants can
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also use the environment variable KCONFIG_ALLCONFIG as a flag or a
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filename that contains config symbols that the user requires to be
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set to a specific value. If KCONFIG_ALLCONFIG is used without a
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filename, "make *config" checks for a file named
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"all{yes/mod/no/random}.config" (corresponding to the *config command
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that was used) for symbol values that are to be forced. If this file
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is not found, it checks for a file named "all.config" to contain forced
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values.
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This enables you to create "miniature" config (miniconfig) or custom
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config files containing just the config symbols that you are interested
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in. Then the kernel config system generates the full .config file,
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including dependencies of your miniconfig file, based on the miniconfig
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file.
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This 'KCONFIG_ALLCONFIG' file is a config file which contains
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(usually a subset of all) preset config symbols. These variable
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settings are still subject to normal dependency checks.
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Examples:
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KCONFIG_ALLCONFIG=custom-notebook.config make allnoconfig
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or
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KCONFIG_ALLCONFIG=mini.config make allnoconfig
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or
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make KCONFIG_ALLCONFIG=mini.config allnoconfig
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These examples will disable most options (allnoconfig) but enable or
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disable the options that are explicitly listed in the specified
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mini-config files.
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KCONFIG_NOSILENTUPDATE
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--------------------------------------------------
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If this variable has a non-blank value, it prevents silent kernel
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config udpates (requires explicit updates).
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KCONFIG_CONFIG
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--------------------------------------------------
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This environment variable can be used to specify a default kernel config
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file name to override the default name of ".config".
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KCONFIG_OVERWRITECONFIG
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--------------------------------------------------
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If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
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break symlinks when .config is a symlink to somewhere else.
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KCONFIG_NOTIMESTAMP
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--------------------------------------------------
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If this environment variable exists and is non-null, the timestamp line
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in generated .config files is omitted.
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KCONFIG_AUTOCONFIG
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--------------------------------------------------
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This environment variable can be set to specify the path & name of the
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"auto.conf" file. Its default value is "include/config/auto.conf".
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KCONFIG_AUTOHEADER
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--------------------------------------------------
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This environment variable can be set to specify the path & name of the
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"autoconf.h" (header) file. Its default value is "include/linux/autoconf.h".
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______________________________________________________________________
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menuconfig User Interface Options
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----------------------------------------------------------------------
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MENUCONFIG_MODE
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--------------------------------------------------
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This mode shows all sub-menus in one large tree.
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Example:
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MENUCONFIG_MODE=single_menu make menuconfig
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make MENUCONFIG_MODE=single_menu menuconfig
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======================================================================
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xconfig
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