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Author Topic: Environment for tc kernel build  (Read 6820 times)

Offline curaga

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Re: Environment for tc kernel build
« Reply #15 on: October 13, 2011, 11:25:50 AM »
I agree it would be better to have matching sets, but it's so far happened that the kernel's been one of the first items in a new release - it's one of the most important components in the core.

I should mention that the 64-bit toolchain in 4.x has not changed from 3.x, it can be used to build the 64-bit modules.
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Offline wdef

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Re: Environment for tc kernel build
« Reply #16 on: October 14, 2011, 06:55:52 AM »
Building the whole thing with toolchains made available in the current repo is probably what is expected.

If I want to build a matching (32-bit) kernel to that in TC4.x, I'll need to do it booted from TC3.x with its tools installed. Ok now I know, thanks.
« Last Edit: October 14, 2011, 07:03:37 AM by wdef »
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Offline bmarkus

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Re: Environment for tc kernel build
« Reply #17 on: October 14, 2011, 07:03:07 AM »
Quote from: wdef on October 14, 2011, 06:55:52 AM
If I want to build a matching (32-bit) kernel to that in TC4.x, I'll need to do it booted from TC3.x with its tools installed. Ok now I know, thanks.

You can build Kernel practically on any other 2.6.x/3.0 LINUX system of course within certain limits, like CentOS, OpenSuSe, Fedora, ...
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Offline wdef

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Re: Environment for tc kernel build
« Reply #18 on: October 14, 2011, 07:14:50 AM »
Yes but the goal is to get a matching kernel and prepared source tree, not just the same kernel version. For that I'll need to use the same gcc and tools as was used to build TC4.x's if I want to insert modules built for TC4.x (which should have all been built with the TC3.x toolchain) without issues.  Of course I could get those on another system.

If built otherwise (with a different toolchain), modules will still insert and will most of the time still work without issues - but a gremlin may appear one day unexpectedly.
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Offline bmarkus

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Re: Environment for tc kernel build
« Reply #19 on: October 14, 2011, 07:30:30 AM »
What is matching kernel?
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Offline ke4nt

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Re: Environment for tc kernel build
« Reply #20 on: January 25, 2012, 05:44:14 PM »
For example, if I compile a kernel module using the compiletc.tcz tools found in the 4.2.1 repository
( which has gcc ver. 4.6.1 , etc. )  and the kernel source available for linux-3.0.3-tinycore,
I cannot load the module, because it does not match the kernel.

So, while the module compiled successfully, when attempting to " insmod somedriver.ko "
it results in  "invalid module format"  and does not load. 

I will try using a TC. 3.6 installation, which has GCC 4.4.3,
but will the remainder of the tools in the compiletc.tcz extension, found in the TC 3.6 repository
work with the 3.0.3 kernel source?

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Offline curaga

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Re: Environment for tc kernel build
« Reply #21 on: January 26, 2012, 06:22:24 AM »
This will be fixed in the coming 4.4. Yes, current 4.x kernel was built in 3.x.
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