Hi,
> On 5. Apr 2022, at 21:33, Bjørn Mork wrote:
>
> Daniel Golle writes:
>
>> You probably meant LDFLAGS_vmlinux because from what I understand
>> KBUILD_LDFLAGS_MODULE only applies when building modules but not when
>> linking vmlinux.
>> As ld only cares about the last mentioned --build-id
Daniel Golle writes:
> You probably meant LDFLAGS_vmlinux because from what I understand
> KBUILD_LDFLAGS_MODULE only applies when building modules but not when
> linking vmlinux.
> As ld only cares about the last mentioned --build-id= parameter
> supplied, we can override it using KBUILD_LDFLAGS
On 05.04.22 20:51, Daniel Golle wrote:
On Tue, Apr 05, 2022 at 05:05:43PM +0200, Felix Fietkau wrote:
On 05.04.22 03:14, Daniel Golle wrote:
> When building the Linux kernel, the linker generates a hash of all
> versions of tools involved in a build called BuildID in ELF header.
> This breaks
On Tue, Apr 05, 2022 at 05:05:43PM +0200, Felix Fietkau wrote:
> On 05.04.22 03:14, Daniel Golle wrote:
> > When building the Linux kernel, the linker generates a hash of all
> > versions of tools involved in a build called BuildID in ELF header.
> > This breaks reproducibility accross different bu
please forgive me stupidity, I couldn't understand the last part of your
recommendation:
Daniel Golle wrote:
> Hence, to achieve reproducible builds we will either have to resort to
> identical containers/VMs for building or get rid of the BuildID hash
> alltogether (or use a differ
On 05.04.22 03:14, Daniel Golle wrote:
When building the Linux kernel, the linker generates a hash of all
versions of tools involved in a build called BuildID in ELF header.
This breaks reproducibility accross different buildhosts eventhough
OpenWrt builds the toolchain from source -- the build-i
Hi,
>> +$(SED) -i $(LINUX_DIR)/Makefile -e
>> 's/--build-id=.*/--build-id=0x$(LINUX_VERMAGIC)/g’
This doesn’t fly since LINUX_VERMAGIC (based on .vermagic) is based on the
Kernel configuration and only available after the Configuration step. I moved
it from the Prepare to the end of Config
Hi,
> To investigate the issue of non-reproducible kernel images accross
> buildhosts I compated the files build by OpenWrt's buildbots with
> Paul's rebuilder script running on his (Aarch64) Mac.
Sorry there was a misunderstanding. I’m building on macOS to find extra issues
but the “rebuild” fi
Daniel Golle [2022-04-05 02:14:09]:
Hi,
thanks a lot for your and Paul's reproducible efforts!
> diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
> index 1e82f7d739..9c8d5fbe97 100644
> --- a/include/kernel-defaults.mk
> +++ b/include/kernel-defaults.mk
> @@ -46,6 +46,7 @@ e
When building the Linux kernel, the linker generates a hash of all
versions of tools involved in a build called BuildID in ELF header.
This breaks reproducibility accross different buildhosts eventhough
OpenWrt builds the toolchain from source -- the build-id hash ends up
to be the only thing which
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