Re: /usr/bin/ld: error: undefined symbol: main [r337834 -> r337903]

On Thu, Aug 16, 2018, at 10:13 AM, Xin LI wrote:
> This was caused by r337852, but I didn't investigated further.
> 
> The problem is that we have a source file called 'moduli.c' in
> crypto/openssh/ while the build target was moduli, and bmake seen
> 'moduli' in source tree as older than moduli.c, and decided to rebuild
> it from source, while the two files are unrelated.

Hi Xin,

I don't see how that could be the case as I didn't move the file around, I just moved how it gets installed.

I have done many many builds with this change in and haven't seen this problem..


Regards,
Brad Davis

> On Thu, Aug 16, 2018 at 4:19 AM David Wolfskill <david_at_catwhisker.org> wrote:
> >
> > Running:
> >
> > FreeBSD g1-215.catwhisker.org 12.0-ALPHA1 FreeBSD 12.0-ALPHA1 #80  r337834M/337834:1200077: Wed Aug 15 04:34:45 PDT 2018     root_at_g1-215.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY  amd64
> >
> > after updating working copy to r337903, I'm seeing:
> >
> > ...
> > >>> stage 4.3: building everything
> > ...
> > --- ifconfig_make ---
> > Building /common/S4/obj/usr/src/amd64.amd64/rescue/rescue/usr/src/sbin/ifconfig/af_inet6.o
> > --- all_subdir_secure ---
> > --- moduli ---
> > /usr/bin/ld: error: undefined symbol: main
> > >>> referenced by crt1.c
> > >>>               /common/S4/obj/usr/src/amd64.amd64/tmp/usr/lib/crt1.o:(_start)
> > /usr/bin/ld: error: undefined symbol: Fssh_error
> > ....
> > make[5]: stopped in /usr/src/secure/usr.sbin/sshd
> > .ERROR_TARGET='moduli'
> > .ERROR_META_FILE='/common/S4/obj/usr/src/amd64.amd64/secure/usr.sbin/sshd/moduli.meta'
> > .MAKE.LEVEL='5'
> > MAKEFILE=''
> > .MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose'
> > _ERROR_CMD='cc -target x86_64-unknown-freebsd12.0 --sysroot=/common/S4/obj/usr/src/amd64.amd64/tmp -B/common/S4/obj/usr/src/amd64.amd64/tmp/usr/bin -O2 -pipe   -I/usr/src/crypto/openssh -include ssh_namespace.h -DHAVE_LDNS=1 -DUSE_BSM_AUDIT=1 -DHAVE_GETAUDIT_ADDR=1 -DUSE_BLACKLIST=1 -I/usr/src/contrib/blacklist/include -include krb5_config.h -DLIBWRAP=1 -std=gnu99 -fstack-protector-strong -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion -Wno-unused-local-typedef -Wno-address-of-packed-member -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter -Wno-parentheses  -Qunused-arguments   -L/common/S4/obj/usr/src/amd64.amd64/lib/libblacklist  /usr/src/crypto/openssh/moduli.c  -o moduli; ;'
> > .CURDIR='/usr/src/secure/usr.sbin/sshd'
> > .MAKE='make'
> > .OBJDIR='/common/S4/obj/usr/src/amd64.amd64/secure/usr.sbin/sshd'
> > .TARGETS='all'
> > DESTDIR='/common/S4/obj/usr/src/amd64.amd64/tmp'
> > ....
> >
> > (on both the laptop and the build machine).
> >
> > I have copied the .ERROR_META_FILE to
> > <http://www.catwhisker.org/~david/FreeBSD/head/r337903/moduli.meta and
> > a typescript of the attempted build to
> > <http://www.catwhisker.org/~david/FreeBSD/head/r337903/typescript>.
> >
> > Additional information (previous day's verbose dmesg.bot, etc.) may
> > be found at <http://www.catwhisker.org/~david/FreeBSD/history/>.
> >
> > Peace,
> > david
> > --
> > David H. Wolfskill                              david_at_catwhisker.org
> > Trump is gaslighting us: https://www.bbc.com/news/world-us-canada-44959300
> >
> > See http://www.catwhisker.org/~david/publickey.gpg for my public key.