Date: Mon, 24 Jun 2013 09:01:28 -0600 From: Warner Losh <imp@bsdimp.com> To: "Jordan K. Hubbard" <jkh@turbofuzz.com> Cc: freebsd-arm@freebsd.org Subject: Re: Raspberry pi not ready to self-host yet? Message-ID: <3B1B1A39-13AF-4718-A9D6-757D6FEFC27F@bsdimp.com> In-Reply-To: <800732D1-B06A-40AE-AE69-F6170662B2AA@turbofuzz.com> References: <800732D1-B06A-40AE-AE69-F6170662B2AA@turbofuzz.com>
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On Jun 24, 2013, at 8:55 AM, Jordan K. Hubbard wrote: > Hi folks, >=20 > I followed the instructions in the repo at = https://github.com/daveish/freebsd-arm-tools.git and was able to create = a bootable SD image for my 512Mb PI in no time with very little hassle - = nice job there! >=20 > What I can't seem to manage, however, is to self-host after that. I = see someone has already filed = http://www.freebsd.org/cgi/query-pr.cgi?pr=3D178495 covering the failure = during buildworld, You see the same compilation error in = basic_string.tcc in various ports, like apr: >=20 > 0. Program arguments: /usr/bin/c++ -cc1 -triple = armv6-unknown-freebsd10.0 -S -disable-free -main-file-name cxx_db.cpp = -mrelocation-model pic -pic-level 2 -mdisable-fp-elim = -mconstructor-aliases -target-abi apcs-gnu -target-cpu arm1136jf-s = -msoft-float -mfloat-abi soft -target-feature +soft-float = -target-feature +soft-float-abi -target-feature -neon -coverage-file = /tmp/cxx_db-5qpGsC.s -resource-dir /usr/bin/../lib/clang/3.3 -D = _THREAD_SAFE -D PIC -I . -I ./../dist/.. -O2 -fdeprecated-macro = -fno-dwarf-directory-asm -fdebug-compilation-dir = /a/ports/databases/db42/work/db-4.2.52/build_unix -ferror-limit 19 = -fmessage-length 144 -mstackrealign -fno-signed-char = -fobjc-runtime=3Dgnustep -fobjc-default-synthesize-properties = -fcxx-exceptions -fexceptions -fsjlj-exceptions = -fdiagnostics-show-option -fcolor-diagnostics -backend-option = -vectorize-loops -o /tmp/cxx_db-5qpGsC.s -x c++ = ./../dist/../cxx/cxx_db.cpp=20 > 1. /usr/include/c++/4.2/bits/basic_string.tcc:978:43: current = parser token ';' > 2. /usr/include/c++/4.2/bits/basic_string.tcc:48:1 = <Spelling=3D/usr/include/c++/4.2/bits/c++config.h:76:38>: parsing = namespace 'std' > c++: error: unable to execute command: Segmentation fault (core = dumped) > c++: error: clang frontend command failed due to signal (use -v to see = invocation) do you have enough swap? Clang is a memory pig dog... > In the kernel, there seems to be something weird with the atomics = because linking always fails: >=20 > kern_event.o: In function `filt_timerattach': > /a/src/sys/kern/kern_event.c:555: undefined reference to = `__atomic_load_4' > /a/src/sys/kern/kern_event.c:559: undefined reference to = `__atomic_compare_exchange_4' > kern_event.o: In function `filt_timerdetach': > /a/src/sys/kern/kern_event.c:584: undefined reference to = `__atomic_fetch_sub_4' Now that's odd. I'll look into that... > I do appreciate that it's a heck of a lot easier to cross-compile for = these things, and great work getting things to this point, but = self-hosting is still one of the magical milestones you always hope an = embedded target will get to someday, assuming it actually has enough = grunt to do so (and I think the PI does). :) I've self-hosted FreeBSD on an Atmel AT91SAM9620 recently (arm v5 = board)... Seems odd that cross compile and native built give different = results. Will look into it. Btw, whats uname -p say for you? Warner=
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