Date: Fri, 27 May 2016 14:56:15 -0700 From: Mark Millard <markmi@dsl-only.net> To: Dimitry Andric <dim@FreeBSD.org> Cc: FreeBSD Toolchain <freebsd-toolchain@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>, freebsd-ports@freebsd.org Subject: Re: 11.0-CURRENT -r300770 libc++ update vs. lang/powerpc64-xtoolchain-gcc: no go [self hosted powerpc64 context] Message-ID: <C5678741-F12B-4234-A194-AC2F0B0CDAB4@dsl-only.net> In-Reply-To: <8FAD594D-4349-4EA7-A712-D3792537FB1D@FreeBSD.org> References: <95E2A9D6-8E1A-46FB-84FF-60927A6F1CE4@dsl-only.net> <8FAD594D-4349-4EA7-A712-D3792537FB1D@FreeBSD.org>
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On 2016-May-27, at 1:50 PM, Dimitry Andric <dim at FreeBSD.org> wrote: > > On 27 May 2016, at 01:53, Mark Millard <markmi at dsl-only.net> wrote: >> >> I do buildworld/buildkernel on a powerpc64 targeting itself via lang/powerpc64-xtoolchain-gcc (a.k.a. lang/powerpc64-gcc for the most part). [Getting that lang/powerpc64-gcc installed for self-hosted use does take some work-around activity.] I have buildworld build clang (but not use it). [I've been doing this with 11.0-CURRENT for a long time.] >> >> Actually I use lang/gcc49 as the "system compiler" and lang/powerpc64-gcc as the self-hosting so-called "cross compiler". (I later list the src.conf content.) gcc4.2.1 is not installed. >> >> Trying to go from: >> >>> # uname -apKU >>> FreeBSD FBSDG5C0 11.0-CURRENT FreeBSD 11.0-CURRENT #36 r300531M: Mon May 23 20:13:52 PDT 2016 root@FBSDG5C0:/usr/obj/xtoolchain/powerpc.powerpc64/usr/src/sys/GENERIC64vtsc-NODEBUG powerpc powerpc64 1100111 1100111 >> >> (for which -r300531 built and installed fine this way) to -r300777 now fails with errors such as: >> >>> --- lib/libc++__L --- >>> In file included from /usr/src/lib/libc++/../../contrib/libc++/include/iterator:346:0, >>> from /usr/src/lib/libc++/../../contrib/libc++/include/memory:606, >>> from /usr/src/lib/libc++/../../contrib/libc++/include/algorithm:628, >>> from /usr/src/lib/libc++/../../contrib/libc++/src/algorithm.cpp:10: >>> /usr/src/lib/libc++/../../contrib/libc++/include/iosfwd:176:14: error: 'mbstate_t' was not declared in this scope >>> typedef fpos<mbstate_t> streampos; >>> ^ > > This is hopefully fixed by r300873 now. Can you please verify? > > -Dimitry buildworld/buildkernel started, based on -r300875 for powerpc64 under/on powerpc64 FreeBSD via lang/powerpc-xtoolchain-gcc as the so-called "cross compiler". If it completes successfully it takes about 8 hours for what I normally include in such builds. I've also started a clang-based buildworld for powerpc (non-64) under powerpc FreeBSD as a cross check. (This environment involves work arounds, such as changes to signal delivery to avoid clang's code generation ABI violations in its stack handling. A clang based buildkernel would not complete so I would use a separate gcc 4.2.1 kernel build to get an overall system.) === Mark Millard markmi at dsl-only.net
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