Date: Wed, 9 Dec 2015 11:32:22 -0800 From: Sean Bruno <sbruno@freebsd.org> To: freebsd-mips@freebsd.org Subject: Re: MIPS64 using clang head Message-ID: <566881C6.3070502@freebsd.org> In-Reply-To: <56609E80.9070803@freebsd.org> References: <56605E75.5090004@freebsd.org> <20151203173806.GA39703@spindle.one-eyed-alien.net> <56608FF6.3050706@freebsd.org> <56609E80.9070803@freebsd.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 12/03/15 11:56, Sean Bruno wrote: > > > On 12/03/15 10:54, Sean Bruno wrote: > > >> On 12/03/15 09:38, Brooks Davis wrote: >>> On Thu, Dec 03, 2015 at 07:23:33AM -0800, Sean Bruno wrote: >>>> We're still making progress, with a couple more updates to >>>> clang we've made it past libc ... now seeing a failure to >>>> figure out what "LONG_BITS" is. >>>> >>>> https://people.freebsd.org/~sbruno/mips64_buildworld.log >>>> >>>> I'm not quite sure what's missing and I've tried a few hacks >>>> to get it past here. > >>> This is due to an incompatibility with our limits.h and clang's >>> limits.h in freestanding mode. IMO it's a bug that clang's >>> limits.h doesn't include the system one in freestanding mode, >>> but currently it doesn't which means LONG_BITS doesn't get set. >>> Deleting/not installing the clang limits.h should do the job. > >>> -- Brooks > > >> Cool! I've removed my build version of limits.h > >> ~/clang/build % mv ./lib/clang/3.8.0/include/limits.h /var/tmp > >> Restarted my freebsd build of mips64. > >> sean _______________________________________________ >> freebsd-mips@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-mips To >> unsubscribe, send any mail to >> "freebsd-mips-unsubscribe@freebsd.org" > > > Yep, this did indeed get past the LONG_BITS things. > > Heh ... now hitting a clang assertion in libstand: > > https://llvm.org/bugs/show_bug.cgi?id=25730 > > The fun continues. > > sean _______________________________________________ > freebsd-mips@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-mips To > unsubscribe, send any mail to > "freebsd-mips-unsubscribe@freebsd.org" > Made it to sys/boot today. We seem to have some clang incompatible flags in mips/beri/boot2/Makefile: CFLAGS= -ffreestanding \ -I${.CURDIR} \ -I${.CURDIR}/../../../common \ -I${.CURDIR}/../../../.. \ -D_KERNEL \ -Wall \ -G0 -Xassembler -G0 \ -fno-pic -mno-abicalls \ -msoft-float \ -g ===> sys/boot/mips/beri/boot2 (all) /home/sbruno/clang/build/bin/clang -msoft-float - -Wno-typedef-redefinition -target mips64-unknown-freebsd11.0 - --sysroot=/var/tmp/mips.mips64/usr/home/sbruno/fbsd_head/tmp - -B/var/tmp/mips.mips64/usr/home/sbruno/fbsd_head/tmp/usr/bin - -ffreestanding - -I/usr/home/sbruno/fbsd_head/sys/boot/mips/beri/boot2 - -I/usr/home/sbruno/fbsd_head/sys/boot/mips/beri/boot2/../../../common -I/usr/home/sbruno/fbsd_head/sys/boot/mips/beri/boot2/../../../.. -D_KERNEL -Wall - -G0 -Xassembler -mno-abicalls -msoft-float -g - -I/usr/home/sbruno/fbsd_head/sys/boot/mips/beri/boot2/../../../../../lib/libstand/ - -I/usr/home/sbruno/fbsd_head/sys/boot/mips/beri/boot2/../common - -ffreestanding -std=gnu99 -Qunused-arguments -c /usr/home/sbruno/fbsd_head/sys/boot/mips/beri/boot2/relocate.S -o relocate.o clang-3.8: error: unsupported argument '-G0' to option 'Xassembler' *** Error code 1 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJWaIHCXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5k25MH/in6me/Vy+kyzpW2hgbSZOfA bxHrXfjEjjzLwJs0B9S1ThRXqUwYlPStEor5VaKbGNeSJ3dJsNG7IjKX2AK6zzVW sBKYQ9uM36/Utn0MwDDaup1wK5FJB8FlhHOgjEXHHhL++jf3JMQ4tbTZFpE005qh kHNddbQDdTokvwI0CoLnUhCHjFzveq3UYFCA5y6OYFFEltl+wPKVGDmrcANHuTDN iMxvvmqDX3P7IXr8zBdN1UkijTnpvcUrMqEo5XcCyq9bLgH9Tw6cmhnf3YVfLyXs GiSi33HxVplbhFMSlktxy9DtDrUog1cfCUIHgZZKgG1asxLS3ePZnUfuWs+S/Qs= =91KZ -----END PGP SIGNATURE-----
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