14 Mar
2024
14 Mar
'24
6:37 p.m.
I have an ARM9 platform that's running a pretty old Linux kernel
(2.6.33.7 built with GCC 4.6.3). It's currently using a buildroot
user-space built with that same compiler and uClibc 0.9.30.
Moving to a newer kernel is not an option because of performance
issues. Using a significantly newer version of GCC to build the
kernel would also require more than a little kernel hacking. So I
probably have to stick with the existing kernel build.
For various reasons, updating to recent versions of a few user-space
packages might be required. Are there likely to be compatibility
problems building/running a user-space (e.g. with buildroot) using a
recent toolchain (gcc 12.3, uClib-ng 1.0.45) for user-space and a
kernel that old?
--
Grant
15 Mar
15 Mar
2:45 p.m.
Hi Grant,
Grant Edwards wrote,
I have an ARM9 platform that's running a pretty
old Linux kernel
(2.6.33.7 built with GCC 4.6.3). It's currently using a buildroot
user-space built with that same compiler and uClibc 0.9.30.
Moving to a newer kernel is not an option because of performance
issues. Using a significantly newer version of GCC to build the
kernel would also require more than a little kernel hacking. So I
probably have to stick with the existing kernel build.
For various reasons, updating to recent versions of a few user-space
packages might be required. Are there likely to be compatibility
problems building/running a user-space (e.g. with buildroot) using a
recent toolchain (gcc 12.3, uClib-ng 1.0.45) for user-space and a
kernel that old?
I think it will work. Just try it out. You can chroot into your new
userland first and verify if everything works before you exchange
your userland. Or you statically link your applications with your
new toolchain.
best regards
Waldemar
3 p.m.
On 2024-03-15, Waldemar Brodkorb <wbx(a)openadk.org> wrote:
Thanks, I'll do that. I was hoping I could do a quick test with a
pre-built toolchain like the ones provided by bootlin, but the stable
one they offer was built using Linux 4.19 headers, so I can see how
using that build with a 2.6 kernel might cause problems.
--
Grant
I have an ARM9
platform that's running a pretty old Linux kernel
(2.6.33.7 built with GCC 4.6.3). It's currently using a buildroot
user-space built with that same compiler and uClibc 0.9.30.
[...]
Are there likely to be compatibility problems building/running a
user-space (e.g. with buildroot) using a recent toolchain (gcc
12.3, uClib-ng 1.0.45) for user-space and a kernel that old?
I think it will work. Just try it out. You can chroot into your new
userland first and verify if everything works before you exchange
your userland. Or you statically link your applications with your
new toolchain.
252
days inactive
253
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2 comments
2 participants
participants (2)
-
Grant Edwards -
Waldemar Brodkorb