diff options
Diffstat (limited to 'docs/manual/customize-rootfs.txt')
| -rw-r--r-- | docs/manual/customize-rootfs.txt | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/docs/manual/customize-rootfs.txt b/docs/manual/customize-rootfs.txt index 6399699bd..fa04d85e2 100644 --- a/docs/manual/customize-rootfs.txt +++ b/docs/manual/customize-rootfs.txt @@ -24,6 +24,12 @@ there are a few ways to customize the resulting target filesystem. skeleton are copied to output/target before any package installation. +* Create a filesystem overlay: a tree of files that are copied directly + over the target filesystem after it has been built. Set + +BR2_ROOTFS_OVERLAY+ to the top of the tree. +.git+, +.svn+, + +.hg+ directories and files ending with +~+ are excluded. + _Among these first 3 methods, this one should be preferred_. + * In the Buildroot configuration, you can specify the path to a *post-build script*, that gets called 'after' Buildroot builds all the selected software, but 'before' the rootfs packages are @@ -31,12 +37,11 @@ there are a few ways to customize the resulting target filesystem. specify the location of your post-build script. This option can be found in the +System configuration+ menu. The destination root filesystem folder is given as the first argument to this script, - and this script can then be used to copy programs, static data or - any other needed file to your target filesystem. You should, - however, use this feature with care. Whenever you find that a - certain package generates wrong or unneeded files, you should fix - that package rather than work around it with a post-build cleanup - script. _Among these first 3 methods, this one should be preferred_. + and this script can then be used to remove or modify any file in your + target filesystem. You should, however, use this feature with care. + Whenever you find that a certain package generates wrong or unneeded + files, you should fix that package rather than work around it with a + post-build cleanup script. You may also use these variables in your post-build script: - +BUILDROOT_CONFIG+: the path to the Buildroot .config file - +HOST_DIR+, +STAGING_DIR+, +TARGET_DIR+: see |