Commit Graph

8 Commits

Author SHA1 Message Date
Hannu Nyman
4a9eb94b5f bpf-headers: fix compilation with LLVM_IAS=1
Linux 5.10.178 includes backported commits that break the compilation
of bpf-headers, as the compilation gets confused which assembler to use.
Caused by Linux upstream commits just before the .178 tag:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=v5.10.178

2023-04-20	kbuild: check CONFIG_AS_IS_LLVM instead of LLVM_IAS
2023-04-20	kbuild: Switch to 'f' variants of integrated assembler flag
2023-04-20	kbuild: check the minimum assembler version in Kconfig

Explicitly use LLVM_IAS=1 to fix things.

Fixes #12748

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
2023-06-10 15:52:19 +02:00
Chukun Pan
13d3fb3c20 bpf-headers: fix package category
This removes the non-selectable 'Kernel' item
when make menuconfig.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
(cherry picked from commit 3e4c014008)
2023-04-02 22:07:28 +02:00
Felix Fietkau
1b46333895 bpf-headers: ship a modified version of stdarg.h from musl to fix ebpf build on glibc
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-03-07 10:38:41 +01:00
Ansuel Smith
4d904524ef kernel: bpf-headers: fix build error when testing kernel is used
Now that we have separate files for each kernel version,
only the version/hash for the target kernel are available.
This cause a missing hash error (and wrong kernel version) for
bpf-headers when a testing kernel version is used for the current target.

Fix this error by manually including the kernel version/hash file for the
specific kernel version requested.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
2022-02-06 12:43:57 +01:00
Felix Fietkau
8c1d5129ee bpf-headers: fix build error from within the SDK
The SDK does not ship the generic platform files. Use relative path for
GENERIC_PLATFORM_DIR to make it work. This points it at the files from
the feed directory instead of the base SDK path

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-02-04 12:51:48 +01:00
Felix Fietkau
8f355becdf bpf-headers: switch to mips64 for 64 bit targets
BTF pointer data has a different size on 32 vs 64 bit targets,
and while the generated eBPF code works, the BTF data fails to validate
on mismatch

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-11-19 23:51:20 +01:00
Felix Fietkau
da668eb03b bpf-headers: unset PKG_CONFIG_PATH
This fixes an issue where the kernel would pick up an incompatible target
libyaml for building host tools

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-11-02 10:36:15 +01:00
Felix Fietkau
a537d06c72 bpf-headers: add a package with kernel headers for ebpf
In order to genererate suitable kernel headers, a 5.10 kernel tree is
prepared with a default config for mips. The arch is forced to mips in
order to avoid issues with inline asm on various architectures in a way
that doesn't involve relying on the host toolchain/headers.
It also has the advantage of supporting both endian types

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-11-01 16:39:09 +01:00