Date: Fri, 2 Dec 2016 20:38:52 -0700 From: Kevin Bowling <kevin.bowling@kev009.com> To: Mark Millard <markmi@dsl-only.net> Cc: FreeBSD Toolchain <freebsd-toolchain@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>, Dimitry Andric <dim@freebsd.org>, Justin Hibbits <chmeeedalf@gmail.com> Subject: Re: Cross built head -r309179 TARGET_ARCH=powerpc64 with clang 3.9.0/powerpc64-binutils based buildworld operates; but fails "self-hosted buildworld" for undefined references Message-ID: <CAK7dMtA1ydTJhZC5r=f3rWiXUz_3FLHW5z%2B7KQkb9qpzLA_-rw@mail.gmail.com> In-Reply-To: <0BC8D9FA-2822-41CA-8CAE-89DCF9C4918F@dsl-only.net> References: <0BC8D9FA-2822-41CA-8CAE-89DCF9C4918F@dsl-only.net>
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Interesting, that is quite a lot of progress if it boots with a crossbuild. I wonder if editing /usr/src/contrib/llvm/lib/Support/Atomic.cpp so the GNU_ATOMICS path is taken will work around these errors until someone more knowledgeable can comment. On Mon, Nov 28, 2016 at 4:02 AM, Mark Millard <markmi@dsl-only.net> wrote: > [The powerpc64 self-hosted buildworld failure is for undefined > references to llvm::sys::CompareAndSwap and > llvm::sys::MemoryFence. See later below.] > > > I cross built TARGET_ARCH=powerpc64 head -r309179 via . . . > (has workaround matching -r309201 and my PowerMac G5 booting hack) > > buildworld via clang 3.9.0 and it using powerpc64-binutils > buildkernel via powerpc-xtoolchain-gcc (and so powerpc64-binutils) > > and installed and booted the combination: > > > # uname -apKU > > FreeBSD FBSDG5L 12.0-CURRENT FreeBSD 12.0-CURRENT #1 r309179M: Mon Nov > 28 01:23:26 PST 2016 markmi@FreeBSDx64:/usr/obj/ > powerpc64vtsc_xtoolchain_kernel/powerpc.powerpc64/usr/src/sys/GENERIC64vtsc-NODBG > powerpc powerpc64 1200017 1200017 > > > > # clang --version > > FreeBSD clang version 3.9.0 (tags/RELEASE_390/final 280324) (based on > LLVM 3.9.0) > > Target: powerpc64-unknown-freebsd12.0 > > Thread model: posix > > InstalledDir: /usr/bin > > > I then attempted a self-hosted buildworld but it failed with: > > > Building /usr/obj/powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/usr/src/usr.bin/clang/clang-tblgen/clang-tblgen.full > > --- clang-tblgen.full --- > > /usr/obj/powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/usr/src/lib/clang/libllvmminimal/libllvmminimal.a(ManagedStatic.o): > In function `getManagedStaticMutex()': > > /usr/src/contrib/llvm/lib/Support/ManagedStatic.cpp:(.text+0x1c4): > undefined reference to `llvm::sys::CompareAndSwap(unsigned int volatile*, > unsigned int, unsigned int)' > > /usr/src/contrib/llvm/lib/Support/ManagedStatic.cpp:(.text+0x1d8): > undefined reference to `llvm::sys::MemoryFence()' > > /usr/src/contrib/llvm/lib/Support/ManagedStatic.cpp:(.text+0x220): > undefined reference to `llvm::sys::MemoryFence()' > > clang++: error: linker command failed with exit code 1 (use -v to see > invocation) > > *** [clang-tblgen.full] Error code 1 > > > > make[3]: stopped in /usr/src/usr.bin/clang/clang-tblgen > > .ERROR_TARGET='clang-tblgen.full' > > .ERROR_META_FILE='/usr/obj/powerpc64vtsc_clang_ > altbinutils_world/powerpc.powerpc64/usr/src/tmp/usr/src/ > usr.bin/clang/clang-tblgen/clang-tblgen.full.meta' > > .MAKE.LEVEL='3' > > MAKEFILE='' > > .MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose' > > .CURDIR='/usr/src/usr.bin/clang/clang-tblgen' > > .MAKE='make' > > .OBJDIR='/usr/obj/powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/usr/src/usr.bin/clang/clang-tblgen' > > .TARGETS='all' > > DESTDIR='' > > LD_LIBRARY_PATH='' > > MACHINE='powerpc' > > MACHINE_ARCH='powerpc64' > > MAKEOBJDIRPREFIX='/usr/obj/powerpc64vtsc_clang_ > altbinutils_world/powerpc.powerpc64/usr/src/tmp' > > MAKESYSPATH='/usr/src/share/mk' > > MAKE_VERSION='20160818' > > PATH='/usr/obj/powerpc64vtsc_clang_altbinutils_world/ > powerpc.powerpc64/usr/src/tmp/legacy/usr/sbin:/usr/obj/ > powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/legacy/usr/bin:/usr/obj/powerpc64vtsc_clang_ > altbinutils_world/powerpc.powerpc64/usr/src/tmp/legacy/ > bin:/sbin:/bin:/usr/sbin:/usr/bin' > > SRCTOP='/usr/src' > > OBJTOP='/usr/obj/powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/usr/src' > > .MAKE.MAKEFILES='/usr/src/share/mk/sys.mk /usr/src/share/mk/local.sys. > env.mk /usr/src/share/mk/src.sys.env.mk /root/src.configs/src.conf. > powerpc64-clang_altbinutils-bootstrap.powerpc64-host /usr/src/share/mk/ > bsd.mkopt.mk /usr/src/share/mk/bsd.suffixes.mk > /root/src.configs/make.conf /usr/src/share/mk/local.sys.mk > /usr/src/share/mk/src.sys.mk /dev/null /usr/src/usr.bin/clang/clang-tblgen/Makefile > /usr/src/usr.bin/clang/llvm.prog.mk /usr/src/lib/clang/llvm.pre.mk > /usr/src/lib/clang/llvm.build.mk /usr/src/tools/build/mk/bsd.prog.mk > /usr/src/share/mk/bsd.prog.mk /usr/src/share/mk/bsd.init.mk > /usr/src/share/mk/bsd.opts.mk /usr/src/share/mk/bsd.cpu.mk > /usr/src/share/mk/local.init.mk /usr/src/share/mk/src.init.mk > /usr/src/usr.bin/clang/clang-tblgen/../Makefile.inc > /usr/src/usr.bin/clang/clang-tblgen/../../Makefile.inc /usr/src/share/mk/ > bsd.own.mk /usr/src/share/mk/bsd.compiler.mk /usr/src/share/mk/bsd. > compiler.mk /usr/src/share/mk/bsd.libnames.mk /usr/src/share/mk/src. > libnames.mk /usr/src/ > share/mk/src.opts.mk /usr/src/share/mk/bsd.nls.mk /usr/src/share/mk/ > bsd.confs.mk /usr/src/share/mk/bsd.files.mk /usr/src/share/mk/bsd.incs.mk > /usr/src/share/mk/bsd.links.mk /usr/src/share/mk/bsd.dep.mk > /usr/src/share/mk/bsd.clang-analyze.mk /usr/src/share/mk/bsd.obj.mk > /usr/src/share/mk/bsd.subdir.mk /usr/src/share/mk/bsd.sys.mk > /usr/src/tools/build/mk/Makefile.boot' > > .PATH='. /usr/src/usr.bin/clang/clang-tblgen > /usr/src/contrib/llvm/tools/clang/utils/TableGen' > > 1 error > > . . . > > > > > > # less /usr/obj/powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/usr/src/usr.bin/clang/clang-tblgen/ > clang-tblgen.full.meta > > # Meta data file /usr/obj/powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/usr/src/usr.bin/clang/clang-tblgen/ > clang-tblgen.full.meta > > CMD /usr/bin/clang++ -B /usr/local/powerpc64-freebsd/bin/ -O2 -pipe > -I/usr/obj/powerpc64vtsc_clang_altbinutils_world/ > powerpc.powerpc64/usr/src/tmp/usr/src/lib/clang/libllvm > -I/usr/src/lib/clang/include -I/usr/src/contrib/llvm/include > -DLLVM_ON_UNIX -DLLVM_ON_FREEBSD -D__STDC_LIMIT_MACROS > -D__STDC_CONSTANT_MACROS -DLLVM_DEFAULT_TARGET_TRIPLE=\ > "powerpc64-unknown-freebsd12.0\" -DLLVM_HOST_TRIPLE=\" > powerpc64-unknown-freebsd12.0\" -DDEFAULT_SYSROOT=\"/usr/obj/ > powerpc64vtsc_clang_altbinutils_world/powerpc.powerpc64/usr/src/tmp\" -g > -Qunused-arguments -I/usr/obj/powerpc64vtsc_clang_altbinutils_world/ > powerpc.powerpc64/usr/src/tmp/legacy/usr/include -std=c++11 > -fno-exceptions -fno-rtti -stdlib=libc++ -Wno-c++11-extensions -static > -L/usr/obj/powerpc64vtsc_clang_altbinutils_world/ > powerpc.powerpc64/usr/src/tmp/legacy/usr/lib -o clang-tblgen.full > ClangASTNodesEmitter.o ClangAttrEmitter.o ClangCommentCommandInfoEmitter.o > ClangCommentHTMLNamedCharacterReferenceEmitter.o ClangCommentHTMLTagsEmit > ter.o ClangDiagnosticsEmitter.o ClangSACheckersEmitter.o NeonEmitter.o > TableGen.o /usr/obj/powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/usr/src/lib/clang/libllvmminimal/libllvmminimal.a > -lncursesw -lpthread -legacy > > CWD /usr/obj/powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/usr/src/usr.bin/clang/clang-tblgen > > TARGET clang-tblgen.full > > -- command output -- > > /usr/obj/powerpc64vtsc_clang_altbinutils_world/powerpc. > powerpc64/usr/src/tmp/usr/src/lib/clang/libllvmminimal/libllvmminimal.a(ManagedStatic.o): > In function `getManagedStaticMutex()': > > /usr/src/contrib/llvm/lib/Support/ManagedStatic.cpp:(.text+0x1c4): > undefined reference to `llvm::sys::CompareAndSwap(unsigned int volatile*, > unsigned int, unsigned int)' > > /usr/src/contrib/llvm/lib/Support/ManagedStatic.cpp:(.text+0x1d8): > undefined reference to `llvm::sys::MemoryFence()' > > /usr/src/contrib/llvm/lib/Support/ManagedStatic.cpp:(.text+0x220): > undefined reference to `llvm::sys::MemoryFence()' > > clang++: error: linker command failed with exit code 1 (use -v to see > invocation) > > *** Error code 1 > . . . > > > > > # svnlite info /usr/src/ | grep "Re[lpv]" > > Relative URL: ^/head > > Repository Root: https://svn0.us-west.freebsd.org/base > > Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f > > Revision: 309179 > > Last Changed Rev: 309179 > > > === > Mark Millard > markmi at dsl-only.net > > _______________________________________________ > freebsd-ppc@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-ppc > To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@freebsd.org" >
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