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-rw-r--r--README23
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@@ -165,10 +165,31 @@ CONFIGURING the kernel:
"make xconfig" X windows (Qt) based configuration tool.
"make gconfig" X windows (Gtk) based configuration tool.
"make oldconfig" Default all questions based on the contents of
- your existing ./.config file.
+ your existing ./.config file and asking about
+ new config symbols.
"make silentoldconfig"
Like above, but avoids cluttering the screen
with questions already answered.
+ "make defconfig" Create a ./.config file by using the default
+ symbol values from arch/$ARCH/defconfig.
+ "make allyesconfig"
+ Create a ./.config file by setting symbol
+ values to 'y' as much as possible.
+ "make allmodconfig"
+ Create a ./.config file by setting symbol
+ values to 'm' as much as possible.
+ "make allnoconfig" Create a ./.config file by setting symbol
+ values to 'n' as much as possible.
+ "make randconfig" Create a ./.config file by setting symbol
+ values to random values.
+
+ The allyesconfig/allmodconfig/allnoconfig/randconfig variants can
+ also use the environment variable KCONFIG_ALLCONFIG to specify a
+ filename that contains config options that the user requires to be
+ set to a specific value. If KCONFIG_ALLCONFIG=filename is not used,
+ "make *config" checks for a file named "all{yes/mod/no/random}.config"
+ for symbol values that are to be forced. If this file is not found,
+ it checks for a file named "all.config" to contain forced values.
NOTES on "make config":
- having unnecessary drivers will make the kernel bigger, and can

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