Date: Thu, 23 Feb 2023 16:41:34 -0800 From: Mark Millard <marklmi@yahoo.com> To: "Simon J. Gerraty" <sjg@juniper.net> Cc: Bryan Drewery <bdrewery@FreeBSD.org>, Current FreeBSD <freebsd-current@FreeBSD.org>, Peter <pmc@citylink.dinoex.sub.org> Subject: Re: FYI: Why META_MODE rebuilds so much for building again after installworld (no source changes) Message-ID: <1B5FCF8A-0DFD-4246-8464-65A44A40529F@yahoo.com> In-Reply-To: <30.1677189836@kaos.jnpr.net> References: <B74790D9-FBC2-4818-BEAF-34E5B705C460@yahoo.com> <3345EBA5-A09C-4E3F-B94D-39F57F56BDBB@yahoo.com> <DB0C7B41-2101-4C5C-BFC8-3C95CC0B9F6F@yahoo.com> <73088.1611797582@kaos.jnpr.net> <CB7040D0-3BF4-496F-A54F-87E5378016E0@yahoo.com> <F6BF110D-7855-4A10-A53F-52B34282234F@yahoo.com> <10819.1677108389@kaos.jnpr.net> <76FA98EF-6184-4D7E-A01F-0EE8117D0D10@yahoo.com> <29887.1677115125@kaos.jnpr.net> <27790339-240F-4C97-97C7-38AFD8DE03D5@yahoo.com> <7FB6F619-6E71-4075-8A6C-573564371DD5@yahoo.com> <2655.1677134606@kaos.jnpr.net> <242BB478-B2FE-4BCC-A56E-098F3FEB3EE1@yahoo.com> <42586.1677183334@kaos.jnpr.net> <AE95CF5D-0B7E-4DA3-8777-5FA47E1751D8@yahoo.com> <30.1677189836@kaos.jnpr.net>
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On Feb 23, 2023, at 14:03, Simon J. Gerraty <sjg@juniper.net> wrote:
Simplifying context . . .
. . .
> As I mentioned previously, there is no variablity of OBJTOP within the
> context of a single make instance - at least not once it starts running
> targets.
>
>> . . .
>
> .MAKE.META.IGNORE_PATHS += ${OBJTOP}/tmp/legacy/usr
I'll use that definition line for the below.
> should result in nothing under ${OBJTOP}/tmp/legacy/usr causing a target
> to be out of date - just because it is newer.
I'll ignore there that that is skipping too much
and just show what happens for the 2nd buildkernel
of 2 in a row when I use that exact line for both
make runs.
First counts of the "is newer than" lines, counting
separate program names separately:
# cat /usr/obj/BUILDs/main-amd64-nodbg-clang/sys-typescripts/typescript-make-amd64-nodbg-clang-amd64-host-2023-02-23:16:15:18 | grep "is newer than the target" | sed -
e "s@^.*: file '@file '@" | sort | uniq -c | sort -rn | more
2553 file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/realpath' is newer than the target...
1001 file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/ln' is newer than the target...
Thousands of rebuilt things based on:
. . ./tmp/legacy/usr/sbin/realpath
. . ./tmp/legacy/usr/sbin/ln
It appears that buildkernel does not use an OBJTOP definition
that references:
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64
in my context.
For reference of Build lines paired with a few of those "is newer
than" lines:
First realpath:
# grep -A1 "tmp/legacy/usr/sbin/realpath\>" /usr/obj/BUILDs/main-amd64-nodbg-clang/sys-typescripts/typescript-make-amd64-nodbg-clang-amd64-host-2023-02-23:16:15:18 | more
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/machine.meta: 23: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/realpath' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/machine
--
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/x86.meta: 23: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/realpath' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/x86
--
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/i386.meta: 23: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/realpath' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/i386
--
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/machine.meta: 23: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/realpath' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/machine
--
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/x86.meta: 23: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/realpath' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/x86
--
. . .
Then for ln:
# grep -A1 "tmp/legacy/usr/sbin/ln\>" /usr/obj/BUILDs/main-amd64-nodbg-clang/sys-typescripts/typescript-make-amd64-nodbg-clang-amd64-host-2023-02-23:16:15:18 | more
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/opt_scsi.h.meta: 12: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/ln' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/opt_scsi.h
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/opt_cam.h.meta: 12: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/ln' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/opt_cam.h
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/opt_aac.h.meta: 12: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/ln' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aac/opt_aac.h
--
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/opt_scsi.h.meta: 12: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/ln' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/opt_scsi.h
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/opt_cam.h.meta: 12: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/ln' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/opt_cam.h
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/opt_aacraid.h.meta: 12: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/ln' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/aacraid/opt_aacraid.h
--
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/acpi/acpi_asus/opt_acpi.h.meta: 12: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/ln' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/acpi/acpi_asus/opt_acpi.h
/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/acpi/acpi_asus/opt_ddb.h.meta: 12: file '/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/tmp/legacy/usr/sbin/ln' is newer than the target...
Building /usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG/modules/usr/main-src/sys/modules/acpi/acpi_asus/opt_ddb.h
--
. . .
I've still no clue of a notation that avoids this for
my choice to use personal MAKEOBJDIRPREFIX paths:
amd64 context:
# grep MAKEOBJDIRPREFIX make-*.sh
make-13S-amd64-dbg-clang.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-amd64-dbg-clang" \
make-13S-amd64-dbg-gccxtc.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-amd64-dbg-gccxtc" \
make-13S-amd64-nodbg-clang.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-amd64-nodbg-clang" \
make-13S-amd64-nodbg-gccxtc.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-amd64-nodbg-gccxtc" \
make-13_0R-amd64-dbg-clang.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_0R-amd64-dbg-clang" \
make-13_0R-amd64-nodbg-clang.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_0R-amd64-nodbg-clang" \
make-13_1R-amd64-dbg-clang.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-amd64-dbg-clang" \
make-13_1R-amd64-dbg-gccxtc.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-amd64-dbg-gccxtc" \
make-13_1R-amd64-nodbg-clang.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-amd64-nodbg-clang" \
make-13_1R-amd64-nodbg-gccxtc.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-amd64-nodbg-gccxtc" \
make-alt-main-amd64-nodbg-clang-alt.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-amd64-nodbg-clang-alt" \
make-main-amd64-dbg-clang.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-amd64-dbg-clang" \
make-main-amd64-dbg-gccxtc.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-amd64-dbg-gccxtc" \
make-main-amd64-nodbg-clang-alt.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-amd64-nodbg-clang-alt" \
make-main-amd64-nodbg-clang.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-amd64-nodbg-clang" \
make-main-amd64-nodbg-gccxtc.amd64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-amd64-nodbg-gccxtc" \
aarch64 context (and armv7):
# grep MAKEOBJDIRPREFIX make-*.sh
make-13S-CA53-dbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-CA53-dbg-clang" \
make-13S-CA53-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-CA53-nodbg-clang" \
make-13S-CA7-dbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-CA7-dbg-clang" \
make-13S-CA7-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-CA7-nodbg-clang" \
make-13S-CA72-dbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-CA72-dbg-clang" \
make-13S-CA72-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13S-CA72-nodbg-clang" \
make-13_0R-CA53-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_0R-CA53-nodbg-clang" \
make-13_0R-CA7-nodbg-clang-alt.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_0R-CA7-nodbg-clang-alt" \
make-13_0R-CA7-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_0R-CA7-nodbg-clang" \
make-13_0R-CA72-dbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_0R-CA72-dbg-clang" \
make-13_0R-CA72-nodbg-clang-alt.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_0R-CA72-nodbg-clang-alt" \
make-13_0R-CA72-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_0R-CA72-nodbg-clang" \
make-13_1R-CA53-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-CA53-nodbg-clang" \
make-13_1R-CA7-nodbg-clang-alt.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-CA7-nodbg-clang-alt" \
make-13_1R-CA7-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-CA7-nodbg-clang" \
make-13_1R-CA72-dbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-CA72-dbg-clang" \
make-13_1R-CA72-nodbg-clang-alt.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-CA72-nodbg-clang-alt" \
make-13_1R-CA72-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/13_1R-CA72-nodbg-clang" \
make-alt-main-CA7-nodbg-clang-alt.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA7-nodbg-clang-alt" \
make-main-CA53-dbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA53-dbg-clang" \
make-main-CA53-nodbg-clang-alt.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA53-nodbg-clang-alt" \
make-main-CA53-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA53-nodbg-clang" \
make-main-CA7-dbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA7-dbg-clang" \
make-main-CA7-nodbg-clang-alt.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA7-nodbg-clang-alt" \
make-main-CA7-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA7-nodbg-clang" \
make-main-CA72-dbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA72-dbg-clang" \
make-main-CA72-dbg-gccxtc.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA72-dbg-gccxtc" \
make-main-CA72-nodbg-clang-alt.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA72-nodbg-clang-alt" \
make-main-CA72-nodbg-clang.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA72-nodbg-clang" \
make-main-CA72-nodbg-gccxtc.aarch64-host.sh:MAKEOBJDIRPREFIX="/usr/obj/BUILDs/main-CA72-nodbg-gccxtc" \
===
Mark Millard
marklmi at yahoo.com
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