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Old 04-15-2021, 02:53 PM   #31
Petri Kaukasoina
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Quote:
Originally Posted by enorbet View Post
does initial install which does by default install the original headers package continue to be at work years after I've removed it's kernel version?
Yes. If you have not removed the kernel-headers package, it's still there. If you have any files in /usr/include/linux and /usr/include/asm, you have kernel headers.
 
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Old 04-15-2021, 03:03 PM   #32
Petri Kaukasoina
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Originally Posted by hazel View Post
I suspect it depends on whether a particular build script references the kernel headers directly. If it only used the glibc headers, there wouldn't be a problem.
In addition to direct uses of kernel headers, some glibc headers also reference kernel headers, for example the glibc header file <sys/syscall.h> references <asm/unistd.h> which is a kernel header file.
 
Old 04-15-2021, 06:18 PM   #33
drumz
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Originally Posted by enorbet View Post
Slackbuilds have substantially reduced how much I compile myself.
The vast majority of SlackBuilds on SBo compile from source.
 
Old 04-16-2021, 06:41 AM   #34
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Quote:
Originally Posted by Petri Kaukasoina View Post
Yes. If you have not removed the kernel-headers package, it's still there. If you have any files in /usr/include/linux and /usr/include/asm, you have kernel headers.
Thanks! That's very interesting because I just checked and there are many files and directories in /usr/include/linux but the odd thing is some are dated just a week ago and I haven't installed kernel headers on this system in 2 years. I further checked and my 32 bit 14.2 install which began as 12.2 (2008 - which was the only time I installed kernel headers)... has files and directories from 2018 which is about the last time i built a kernel in it.

So I'm wondering if there is overlap, if building kernels creates at least the equivalent of headers?
 
Old 04-16-2021, 06:54 AM   #35
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Quote:
Originally Posted by drumz View Post
The vast majority of SlackBuilds on SBo compile from source.
Of course I realize that. It just feels different and lazier since the convenience (and quality) of the scripts tends to make me lazy where I no longer read every line of ./configure. Actually lots of source these days doesn't even include a base configure file relying on some form of "automake" to build one.
 
  


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