Date: Fri, 29 Jun 2012 06:34:30 -0700 From: David Wolfskill <david@catwhisker.org> To: stable@freebsd.org Subject: Problem in sys/boot/i386/cdboot/cdboot.S with clang @237770 Message-ID: <20120629133430.GK10247@albert.catwhisker.org>
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Running on:
FreeBSD g1-227.catwhisker.org 9.0-STABLE FreeBSD 9.0-STABLE #200 237701M: T=
hu Jun 28 06:31:33 PDT 2012 root@g1-227.catwhisker.org:/usr/obj/usr/src=
/sys/CANARY i386
I was able to build
FreeBSD g1-227.catwhisker.org 9.0-STABLE FreeBSD 9.0-STABLE #201 237770M: F=
ri Jun 29 04:46:48 PDT 2012 root@g1-227.catwhisker.org:/usr/obj/usr/src=
/sys/CANARY i386
OK using gcc, but with clang (separate bootable slice), I get whines and
a failure:
clang -O2 -pipe -I/usr/src/sys/boot/i386/cdboot/../common -ffreestanding -=
mpreferred-stack-boundary=3D2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-=
sse3 -msoft-float -std=3Dgnu99 -Qunused-arguments -c /usr/src/sys/boot/i=
386/cdboot/cdboot.S
.code16
^
/usr/src/sys/boot/i386/cdboot/cdboot.S:144:3: error: ambiguous instructions=
require an explicit suffix (could be 'orb', 'orw', 'orl', or 'orq')
or $0x1,0x8(%bx) # kargs->bootflags |=3D
^
/usr/src/sys/boot/i386/cdboot/cdboot.S:272:10: error: .code16 not supported=
yet
.code16
^
/usr/src/sys/boot/i386/cdboot/cdboot.S:597:10: error: .code16 not supported=
yet
.code16
^
*** [cdboot.o] Error code 1
1 error
(I've been doing these "parallel gcc/clang" builds of stable/9 on
a daily basis for a few weeks, now; thus is the first time I've
encountered a problem like this.)
More complete logs are available for interested folks -- I do the builds
within script(1).
Peace,
david
--=20
David H. Wolfskill david@catwhisker.org
Depriving a girl or boy of an opportunity for education is evil.
See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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