On Sat, Aug 11, 2018, 10:20 AM Dimitry Andric <d...@freebsd.org> wrote:

> On 11 Aug 2018, at 16:55, Warner Losh <i...@bsdimp.com> wrote:
> >
> > It looks like armv5 clang bogusly uses lld:
> >
> > From a 'make buildkernel' of the RT1310 kernel config:
> >
> > cc -target arm-gnueabi-freebsd12.0
> > --sysroot=/usr/home/imp/obj/usr/home/imp/git/head/arm.arm/tmp
> > -B/usr/home/imp/obj/usr/home/imp/git/head/arm.arm/tmp/usr/bin -c -O -pipe
> > -g -nostdinc  -I. -I/usr/home/imp/git/head/sys
> > -I/usr/home/imp/git/head/sys/contrib/ck/include
> > -I/usr/home/imp/git/head/sys/contrib/libfdt
> > -I/usr/home/imp/git/head/sys/gnu/dts/include -D_KERNEL
> > -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -march=armv5te
> > -funwind-tables  -ffreestanding -fwrapv -gdwarf-2 -Wall -Wredundant-decls
> > -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
> > -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__
> > -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas
> > -Wno-error-tautological-compare -Wno-error-empty-body
> > -Wno-error-parentheses-equality -Wno-error-unused-function
> > -Wno-error-pointer-sign -Wno-error-shift-negative-value
> > -Wno-address-of-packed-member  -mfpu=none  -std=iso9899:1999 -Werror
> vers.c
> > linking kernel.full
> > ld: warning: lld uses extended branch encoding, no object with
> architecture
> > supporting feature detected.
> > ld: warning: lld may use movt/movw, no object with architecture
> supporting
> > feature detected.
> >     text     data      bss       dec        hex   filename
> >  3448944   176776   655360   4281080   0x4152f8   kernel.full
> >
> > Any clues on how I can track this down?
>
> What does /usr/bin/ld -v output?  As far as I can see, MK_LLD_BOOTSTRAP
> and MK_LLD_IS_LD are only enabled by default for aarch64 and amd64.  So
> do you have any of those settings in your src.conf or environment?
>

Host is amd64. Target is arm. No src.conf. Did a full buildworld TARGET=arm
a few days ago. /usr/bin/ld is lld.

Warner

>
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