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Diffstat (limited to 'docs/manual/customize-store.txt')
| -rw-r--r-- | docs/manual/customize-store.txt | 65 |
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diff --git a/docs/manual/customize-store.txt b/docs/manual/customize-store.txt index 9c87f625f9..7f4a289f0a 100644 --- a/docs/manual/customize-store.txt +++ b/docs/manual/customize-store.txt @@ -1,71 +1,6 @@ // -*- mode:doc; -*- // vim: set syntax=asciidoc: -[[customize-store-basics]] -=== Basics for storing the configuration - -When you have a buildroot configuration that you are satisfied with and -you want to share it with others, put it under revision control or move -on to a different buildroot project, you need to store the configuration -so it can be rebuilt later. The configuration that needs to be stored -consists of the buildroot configuration, the configuration files for -packages that you use (kernel, busybox, uClibc, ...), and your rootfs -modifications. - -[[customize-store-buildroot-config]] -==== Buildroot configuration - -For storing the buildroot configuration itself, buildroot offers the -following command: +make savedefconfig+. - -This strips the buildroot configuration down by removing configuration -options that are at their default value. The result is stored in a file -called +defconfig+. If you want to save it in another place, change -the +BR2_DEFCONFIG+ option, or call make with +make savedefconfig -BR2_DEFCONFIG=<path-to-defconfig>+. The usual place is -+configs/<boardname>_defconfig+. The configuration can then be rebuilt by -running +make <boardname>_defconfig+. - -Alternatively, you can copy the file to any other place and rebuild with -+make defconfig BR2_DEFCONFIG=<path-to-defconfig-file>+. - - -[[customize-store-package-config]] -==== Other package configuration - -The configuration files for busybox, the linux kernel, barebox and -uClibc should be stored as well if changed. For each of these, a -buildroot configuration option exists to point to an input -configuration file, e.g. +BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE+. To -save their configuration, set those configuration options to a path -outside your output directory, -e.g. +board/<manufacturer>/<boardname>/linux.config+. Then, copy the -configuration files to that path. - -Make sure that you create a configuration file 'before' changing -the +BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE+ etc. options. Otherwise, -buildroot will try to access this config file, which doesn't exist -yet, and will fail. You can create the configuration file by running -+make linux-menuconfig+ etc. - -Buildroot provides a few helper targets to make the saving of -configuration files easier. - -* +make linux-update-defconfig+ saves the linux configuration to the - path specified by +BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE+. It - simplifies the config file by removing default values. However, - this only works with kernels starting from 2.6.33. For earlier - kernels, use +make linux-update-config+. -* +make busybox-update-config+ saves the busybox configuration to the - path specified by +BR2_PACKAGE_BUSYBOX_CONFIG+. -* +make uclibc-update-config+ saves the uClibc configuration to the - path specified by +BR2_UCLIBC_CONFIG+. -* +make barebox-update-defconfig+ saves the barebox configuration to the - path specified by +BR2_TARGET_BAREBOX_CUSTOM_CONFIG_FILE+. -* For at91bootstrap3, no helper exists so you have to copy the config - file manually to +BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_CONFIG_FILE+. - - === Step-by-step instructions for storing configuration To store the configuration for a specific product, device or |
