freebsd stable - Feb 2019 - FreeBSD 12.0 RELEASE i386 can not build a kernel?

> On Thu, Feb 28, 2019 at 12:49:25AM -0800, Rodney W. Grimes wrote:
> > > -- Start of PGP signed section.
> > > > On 28 Feb 2019, at 00:37, Rodney W. Grimes <freebsd at
pdx.rh.CN85.dnsmgr.net> wrote:
> > > > > 
> > > > > config CUSTOM
> > > > > Kernel build directory is ../compile/CUSTOM
> > > > > Don't forget to do ``make cleandepend &&
make depend''
> > > > > fb-bld-120-i386.dnsmgr.net:root {200}# cd
../compile/CUSTOM
> > > > > fb-bld-120-i386.dnsmgr.net:root {201}# (make
cleandepend && make depend && make -j4 && make install)
>&make.OUT
> > > > > fb-bld-120-i386.dnsmgr.net:root {202}# more make.OUT
> > > > > make:
"../../../conf/../../../conf/kern.pre.mk" line 127: amd64/arm64/i386
kernel requires linker ifunc support
> > > > 
> > > > After ifunc support was introduced, you have to run at least
> > > > "make kernel-toolchain" before "make
buildkernel", or otherwise just run
> > > > "make buildworld" first.  That will build the
linker which supports the
> > > > required functionality.
> > > 
> > > This is the -RELEASE, why is the release not built with the
> > > proper toolchain in place?  This is not some upgrade or anything
> > > odd, download 12.0-RELEASE i386 iso, install it with sources,
> > > try to build a kernel.
> > > 
> > > I am running your suggested make kernel-toolchain now
> > > to see if that fixes the problem (it shouid not, or
> > > if it does we have a major issue with our release
> > > building procedures.)
> > 
> > Sadly I have confirmed that "make kernel-toolchain" does
infact
> > fix the above error.
> > 
> > Now the begging question, why isnt the toolchain as shipped
> > already properly built?
> > 
> > This is a stock FreeBSD-12.0=RELEASE-i386-disc1.iso install,
> > with stock sources from the iso.  I was simply configuring
> > a custom kernel, I should not need to build a took chain
> > to build a kernel when nothing has changed from the
> > RELEASE, it should already be the correct toolchain.
> 
> Let me guess.  You use 'make' in sys/i386/build/YOUR_KERNEL ?
> Then you need to use 'LD=ld.ldd make'.  The proper way of
> 'make buildkernel' from top-level src handles it automatically.
> 
If you back up in the thread you would also see the output
is the same for cd /usr/src; make buildkernel conf=CUSTOM



-- 
Rod Grimes                                                 rgrimes at
freebsd.org

> > Let me guess.  You use 'make' in sys/i386/build/YOUR_KERNEL ?
> > Then you need to use 'LD=ld.ldd make'.  The proper way of
> > 'make buildkernel' from top-level src handles it
automatically.
> >
> If you back up in the thread you would also see the output
> is the same for cd /usr/src; make buildkernel conf=CUSTOM
"make buildworld" or "make kernel-toolchain" needs to be run
first.
Also, there's a typo in kib's command - it should be LD=ld.lld (two
'l's, not two 'd's).

There's more information about this issue (when it applied to amd64)
at https://lists.freebsd.org/pipermail/freebsd-arch/2018-May/018967.html.