From owner-freebsd-bugs@freebsd.org Sat Jun 23 06:36:53 2018 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 968CC1015379 for ; Sat, 23 Jun 2018 06:36:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 1F20776F29 for ; Sat, 23 Jun 2018 06:36:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id D688B1015378; Sat, 23 Jun 2018 06:36:52 +0000 (UTC) Delivered-To: bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9BA471015377 for ; Sat, 23 Jun 2018 06:36:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 291DD76F28 for ; Sat, 23 Jun 2018 06:36:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 5984E157F3 for ; Sat, 23 Jun 2018 06:36:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w5N6apAc016821 for ; Sat, 23 Jun 2018 06:36:51 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w5N6apa6016820 for bugs@FreeBSD.org; Sat, 23 Jun 2018 06:36:51 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 229246] -Wl,--unresolved-symbols=ignore-in-object-files fails for shared libraries Date: Sat, 23 Jun 2018 06:36:50 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: misc X-Bugzilla-Version: 11.1-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: yuri@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Jun 2018 06:36:53 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229246 Bug ID: 229246 Summary: -Wl,--unresolved-symbols=3Dignore-in-object-files fails for shared libraries Product: Base System Version: 11.1-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: misc Assignee: bugs@FreeBSD.org Reporter: yuri@freebsd.org This command line: > c++ -Wl,--unresolved-symbols=3Dignore-in-object-files -shared -o libblank= .so blank.cpp fails: > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_GetDataRelBase@GCC_= 3.0' > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_SetIP@GCC_3.0' > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_GetIP@GCC_3.0' > /lib/libc.so.7: undefined reference to `__progname' > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_RaiseException@GCC_= 3.0' > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_GetLanguageSpecific= Data@GCC_3.0' > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_GetRegionStart@GCC_= 3.0' > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_SetGR@GCC_3.0' > /usr/lib/libc++.so.1: undefined reference to `_Unwind_Resume@GCC_3.0' > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_Backtrace@GCC_3.3' > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_Resume_or_Rethrow@G= CC_3.3' > /lib/libc.so.7: undefined reference to `environ' > /usr/lib/libcxxrt.so: undefined reference to `_Unwind_GetTextRelBase@GCC_= 3.0' > clang-6.0: error: linker command failed with exit code 1 (use -v to see i= nvocation) There are no object files that user supplied, so -Wl,--unresolved-symbols=3Dignore-in-object-files should be practically a n= oop? I found this error in one of the projects, and it seems like a bug in the compiler to me. It should link whatever it links normally without this flag. --=20 You are receiving this mail because: You are the assignee for the bug.=