No longer rewrite opkg list output in package_list function, remove
the awk call in the pipe (which was intended for a single specific
use-case).

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit d80d1b6c42aa663e6104f817daa5ea29d2e7073d)

commit 19ac879954 (imagebuilder: add package_list function) introduced
a new function 'package_list' to the imagebuilder Makefile.
Unfortunately the package list was poluted by stdout noise of the
Makefile itself as well as opkg. Redirect those outputs to stderr to
make sure that the package_list returned doesn't contain progress
info output but really only packages.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 1b555e1d2b1cb2ae3dd1832225e6c9d2c5df0a37)

The imagebuilder can now list all available packages by using make
package_list. This is usefull for scripts to retrieve a list of all
packages with versions (and size)

Signed-off-by: Paul Spooren <paul@spooren.de>
[daniel@makrotopia.org: fixed commit message]
(cherry picked from commit 19ac879954210df3c6a010990bef42ad5c7fd967)

Use silent make invocations for sub-makes like build_image or checksum to
avoid bloating the IB output with non-status info.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit 0d1765b4ba2575ad7dbfbea5e5d04ba1224cdc0a)

Refer to LINUX_KARCH instead of ARCH when bundling DTS files in the image
builder tarball.

While we're at it, also dereference symbolic links when copying as some
kernel architectures contain symbolic links in their DTS directories.

This fixes aarch64 imagebuilders such as brcm2708/bcm2710 ones in particular
as the kernel refers to "aarch64" as "arm64" internally.

Ref: https://forum.lede-project.org/t/lede-image-builder-problem/3680

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

This can be used to tweak the buildbot behavior without having to change
buildbot's configuration.
It will also allow us to add more aggressive clean steps (e.g. on
toolchain changes), which would break developers' workflows if enable
by default.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

The name "Plat'Home OpenBlocks AX3" causes the imagebuilders "make info"
command to fail with:

    bash: -c: line 0: syntax error near unexpected token `('
    bash: -c: line 0: `echo;  [...]'
    Makefile:99: recipe for target '_call_info' failed

Properly escape single quotes to avoid breaking the echo commands.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

Reduces tarball size and improves build time

Signed-off-by: Felix Fietkau <nbd@nbd.name>

Reduces tarball size and improves build time

Signed-off-by: Felix Fietkau <nbd@nbd.name>

Rework the bundle-libraries.sh implementation to use a more robust approach
for executing host binaries through the shipped ELF loader and libraries.

The previous approach relied on symlinks pointing to a wrapper script which
caused various issues, especially with multicall binaries as the original
argv[0] name was not preserved through the ld.so invocation. Another down-
side was the fact that the actual binaries got moved into another directory
which caused executables to fail looking up resources with paths relative
to the executable location.

The new library wrapper implements the following improvements:

 - Instead of symlinks pointing to a common wrapper, each ELF executable
   is now replaced by a unqiue shell script which retains the original
   program name getting called

 - Instead of letting ld.so invoke the ELF executable directly, launch
   the final ELF binary through a helper program which fixes up the argv[0]
   argument for the target program

 - Support sharing a common location for the bundled libraries instead of
   having one copy in each directory containing wrapped binaries

Finally modify the SDK build to wrap the staging_dir and toolchain binaries
which allows to use the SDK on systems with a different glibc version.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>