Date: Tue, 5 Mar 2019 23:08:32 +0100 From: Dimitry Andric <dim@FreeBSD.org> To: "O. Hartmann" <ohartmann@walstatt.org> Cc: Shawn Webb <shawn.webb@hardenedbsd.org>, FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: r344798: c++: error: linker command failed with exit code Message-ID: <7E4F2D04-1E91-46DA-9CE5-912FB17C1C24@FreeBSD.org> In-Reply-To: <20190305215211.2d15aa54@thor.intern.walstatt.dynvpn.de> References: <20190305174538.5fa6670f@thor.intern.walstatt.dynvpn.de> <20190305181626.5pjq3agu5lrw76vo@mutt-hbsd> <20190305215211.2d15aa54@thor.intern.walstatt.dynvpn.de>
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[-- Attachment #1 --] On 5 Mar 2019, at 21:54, O. Hartmann <ohartmann@walstatt.org> wrote: > > Am Tue, 5 Mar 2019 13:16:26 -0500 > Shawn Webb <shawn.webb@hardenedbsd.org> schrieb: > > > On Tue, Mar 05, 2019 at 05:45:11PM +0100, O. Hartmann wrote: > > > -----BEGIN PGP SIGNED MESSAGE----- > > > Hash: SHA256 > > > > > > Hello, > > > > > > recent buildworld on a CURRENT box (FreeBSD 13.0-CURRENT #246 r344742: Sun Mar 3 21:26:44 > > > CET 2019 amd64) fails to build due to: > > > > > > [...] > > > > > > Building /usr/obj/usr/src/amd64.amd64/tmp/obj-tools/usr.bin/clang/clang/clang > > > - --- clang --- > > > ld: error: undefined symbol: llvm::createBPFMIPreEmitCheckingPass() > > > >>> referenced by BPFTargetMachine.cpp > > > >>> BPFTargetMachine.o:((anonymous > > > >>> namespace)::BPFPassConfig::addPreEmitPass()) in > > > >>> archive /usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/clang/libllvm/libllvm.a > > > ld: error: undefined symbol: llvm::BTFDebug::BTFDebug(llvm::AsmPrinter*) > > > >>> referenced by BPFAsmPrinter.cpp > > > >>> BPFAsmPrinter.o:((anonymous > > > >>> namespace)::BPFAsmPrinter::doInitialization(llvm::Module&)) in > > > >>> archive /usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/clang/libllvm/libllvm.a > > > c++: error: linker command failed with exit code 1 (use -v to see invocation) > > > *** [clang] Error code 1 > > > > > > make[4]: stopped in /usr/src/usr.bin/clang/clang > > > [...] > > > > > > I tried to rebuild world from a fresh /usr/src and /usr/obj but the host gets always stuck > > > at the same error. > > > > Do you have a custom src.conf and make.conf? > > > > Thanks, > > > src.conf, yes, make.conf, yes, but make.conf references only ports tree stuff so far. src.conf: > > # > CPUTYPE?= native > # > #CFLAGS+= -O3 > # for the kernel > #COPTFLAGS+= -O3 > # > #CXXFLAGS+= -std=c++11 > # > WITH_CLANG_EXTRAS= YES > WITH_LLDB= YES > WITH_LLD_IS_LD= YES > # > WITH_IDEA= YES > # > #WITH_BSD_GREP= YES > # > WITH_OFED_EXTRA= YES > WITH_NAND= YES > #WITH_CTF= YES > # > WITH_SVN= YES > # > # Enable building openldap support for kerberos. > #WITH_OPENLDAP= YES > # > WITH_SORT_THREADS= YES > # > WITH_EXTRA_TCP_STACKS= YES > # > WITH_ZONEINFO_LEAPSECONDS_SUPPORT= YES > # > MALLOC_PRODUCTION= YES > # > WITHOUT_ASSERT_DEBUG= YES > # > WITHOUT_TESTS= YES > # > WITHOUT_DEBUG_FILES= YES > # > WITHOUT_REPRODUCIBLE_BUILD= YES > # > # mitigation for CVE-2017-5715 in the kernel build > #WITH_KERNEL_RETPOLINE= YES Your original error messages seemed to indicate that you were building with MK_LLVM_TARGET_BPF=yes (which is not enabled by default). I don't see it in your src.conf, but maybe you enabled it in some other way? In any case, I have committed a fix in r344825. -Dimitry [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.2 iF0EARECAB0WIQR6tGLSzjX8bUI5T82wXqMKLiCWowUCXH7zYAAKCRCwXqMKLiCW o6qfAKDQG3tafmtPJF6l242Zw3xLh9ziwwCg5AKn9WMa4tK6v91SAYsMAwNd9H4= =PWM2 -----END PGP SIGNATURE-----
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