> On Oct 24, 2015, at 14:35, NGie Cooper <yaneurab...@gmail.com> wrote:
>> On Oct 24, 2015, at 14:28, Lev Serebryakov <l...@freebsd.org> wrote:
>> Hello freebsd-current,
>> Each other time "make installworld" from object directory created several 
>> hours ago
>> try to build efiloader again (and fails in my case as this world doesn't
>> contain compiler):
>> ===> sys/boot/efi/loader (install)
>> cc -O2 -pipe   -fPIC -I/data/src/sys/boot/efi/loader 
>> -I/data/src/sys/boot/efi/loader/arch/amd64 
>> -I/data/src/sys/boot/efi/loader/../include 
>> -I/data/src/sys/boot/efi/loader/../include/amd64 
>> -I/data/src/sys/boot/efi/loader/../../../contrib/dev/acpica/include 
>> -I/data/src/sys/boot/efi/loader/../../.. 
>> -I/data/src/sys/boot/efi/loader/../../i386/libi386 -DNO_PCI -DEFI 
>> -DBOOT_FORTH -I/data/src/sys/boot/efi/loader/../../ficl 
>> -I/data/src/sys/boot/efi/loader/../../ficl/amd64 -DLOADER_DISK_SUPPORT 
>> -I/data/src/sys/boot/efi/loader/../../common -ffreestanding -Wformat 
>> -msoft-float -mno-mmx -mno-sse -mno-avx -fshort-wchar -mno-red-zone -mno-aes 
>> -std=gnu99   -Qunused-arguments -c /data/src/sys/boot/efi/loader/autoload.c 
>> -o autoload.o
>> /tmp/install.Ku58dvCm/sh: cc: not found
>> Only LOCAL fileystems are in use, and computer has ntpd-synchronized clock.
>> "installworld" right after "buildworld" works Ok, but if I need to
>> re-create same nanobsd image without changing world (and sources), its often
>> fails to perform "installworld" for second time at this exact point: 
>> efi/loader.
> Hi lev,
>       Be sure to run buildworld with -DNO_CLEAN after updating your sources 
> when using make installworld. Unfortunately many of the Makefiles under 
> sys/boot are sensitive to updates, i.e. you’ll have to rebuild them 
> (otherwise it will try to rebuild them at install and fail as noted above).
>       That being said, what you described seems interesting. Not sure why it 
> would be failing. Could you please dump all the debug output from make?
> Thanks!
> -NGie

Uh… yeah. I see some non-atomic logic in sys/boot/common/newvers.sh (it’s 
writing out to vers.c multiple times in the file) instead of once to the file, 
or multiple times to a temp file then moving to the final file. There are 
probably other issues.
sys/boot is a mess. I had a patch to better integrate it into the build 
process, but I wasn’t a committer at the time, so I couldn’t commit my patch 
(it’s been lost since then).
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