2 messages in org.freebsd.freebsd-stableRe: Kernel build numbers and kernel-b...| From | Sent On | Attachments |
|---|---|---|
| William Denton | Jul 16, 2000 8:13 pm | |
| Stephen Montgomery-Smith | Jul 16, 2000 9:16 pm |
| Subject: | Re: Kernel build numbers and kernel-building methods | |
|---|---|---|
| From: | Stephen Montgomery-Smith (step...@math.missouri.edu) | |
| Date: | Jul 16, 2000 9:16:18 pm | |
| List: | org.freebsd.freebsd-stable | |
William Denton wrote:
After all the recent chat following that heads-up about how to build a world, I gave it a shot and rebuilt my system, gave the buildkernel and installkernel a KERNEL=MYCROFT setting, and adjusted /boot/loader.conf so it'd load /MYCROFT. All went well, but I noticed that the kernel build number reported by uname had changed. It said "FreeBSD 4.0-STABLE #0," while the number had been above 0 before. I rebuilt the system today and it stayed at 0, but then I recompiled the kernel alone (the old way) and now it says "FreeBSD 4.1-RC #6."
Does compiling a kernel with make buildkernel not increment this number? If not, shouldn't it?
The way I see it, the version number is created by a little script /sys/conf/newvers.sh which figures out the version from a file called make-directory/version, where make-directory is the directory in which you are making the kernel. So for example, version might contain the number '6', in which case your kernel build is 6. (And then after the build, version will contain '7' - if version does not exist, it takes this number to be '0'.)
Now when you do the make buildkernel, make-directory is /usr/obj/usr/src/sys/XXX where XXX is the name of your kernel. This directory will be completely deleted before any make (unless you use the -DNOCLEAN option), so you will always have a build number 0.
When you do the /usr/sbin/config stuff, make-directory is /sys/compile/XXX This will pick up the version that you had left over from your previous build. (But if you do /usr/sbin/config -r then this directory is deleted, so your build goes back to 0).
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