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package/aufs{-util}: remove package

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Remove support for aufs, as it is outdated and unmaintained in Buildroot.
Users are encouraged to use overlayfs in place of aufs.

This patch removes support for aufs package providing sources for
the kernel extension, the related Buildroot kernel extension configuration,
as well as the userspace utilities.

This also allows to remove some special cases in configuration utilities.

Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
[Romain: fix legacy handling text]
Signed-off-by: Romain Naour <romain.naour@smile.fr>
This commit is contained in:
Titouan Christophe
2025-08-29 16:33:58 +02:00
committed by Romain Naour
parent 289dd6bd76
commit 72c95d947f
14 changed files with 13 additions and 292 deletions
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62
linux/Config.ext.in
View File

@@ -76,68 +76,6 @@ config BR2_LINUX_KERNEL_EXT_FBTFT
https://github.com/notro/fbtft
# aufs-standalone
config BR2_LINUX_KERNEL_EXT_AUFS
bool "Aufs Filesystem Module patch"
select BR2_PACKAGE_AUFS
help
Aufs is split in two parts: a kernel part and a userspace
part. Enabling this option automatically selects the aufs
standalone (module) package and patches the Linux kernel
built by Buildroot with the aufs kernel part (ie fs/aufs).
It is important to use the correct branch of aufs-standalone.
if BR2_LINUX_KERNEL_EXT_AUFS
choice
bool "aufs-standalone series"
help
Select the major series of this version. This must match the
major version of your kernel (e.g. for kernels 3.x, select
aufs3.x; for kernels 4.x, select aufs4.x; for kernels 5.x,
select aufs5.x ).
Note: neither aufs1.x nor aufs2.x (both for kernels older than
3.x) are supported.
config BR2_LINUX_KERNEL_EXT_AUFS_SERIES_3
bool "aufs3.x"
config BR2_LINUX_KERNEL_EXT_AUFS_SERIES_4
bool "aufs4.x"
config BR2_LINUX_KERNEL_EXT_AUFS_SERIES_5
bool "aufs5.x"
endchoice
config BR2_LINUX_KERNEL_EXT_AUFS_SERIES
int
default 3 if BR2_LINUX_KERNEL_EXT_AUFS_SERIES_3
default 4 if BR2_LINUX_KERNEL_EXT_AUFS_SERIES_4
default 5 if BR2_LINUX_KERNEL_EXT_AUFS_SERIES_5
config BR2_LINUX_KERNEL_EXT_AUFS_VERSION
string "aufs-standalone version"
default ""
help
The version you choose must match that of your kernel.
Usually, the sha1 of the cset you want to use; avoid using a
branch name as this yields non-reproducible builds.
See the following resources to see what versions are
available:
For aufs3.x:
https://sourceforge.net/p/aufs/aufs3-standalone/ref/master/branches/
For aufs4.x:
https://github.com/sfjro/aufs4-standalone/branches/all
For aufs5.x:
https://github.com/sfjro/aufs5-standalone/branches/all
endif # aufs
# kernel extensions from br2-external trees, if any
source "$BR2_BASE_DIR/.br2-external.in.linux"

21
linux/linux-ext-aufs.mk
View File

@@ -1,21 +0,0 @@
################################################################################
#
# Patch the linux kernel with aufs extension
#
################################################################################
LINUX_EXTENSIONS += aufs
define AUFS_PREPARE_KERNEL
if test -d $(@D)/fs/aufs/; then \
echo "Your kernel already supports AUFS."; \
exit 1; \
fi
$(APPLY_PATCHES) $(@D) $(AUFS_DIR) \
aufs$(BR2_PACKAGE_AUFS_SERIES)-kbuild.patch \
aufs$(BR2_PACKAGE_AUFS_SERIES)-base.patch \
aufs$(BR2_PACKAGE_AUFS_SERIES)-mmap.patch \
aufs$(BR2_PACKAGE_AUFS_SERIES)-standalone.patch
cp -r $(AUFS_DIR)/fs/aufs/ $(@D)/fs/
cp $(AUFS_DIR)/include/uapi/linux/aufs_type.h $(@D)/include/uapi/linux/
endef