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Date:      Mon, 17 Aug 2020 12:21:36 +0000
From:      bugzilla-noreply@freebsd.org
To:        ports-bugs@FreeBSD.org
Subject:   [Bug 248699] devel/libunwind: ld: error: duplicate symbol: _U_dyn_info_list
Message-ID:  <bug-248699-7788@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248699

            Bug ID: 248699
           Summary: devel/libunwind: ld: error: duplicate symbol:
                    _U_dyn_info_list
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: sunpoet@FreeBSD.org
          Reporter: ohartmann@walstatt.org
             Flags: maintainer-feedback?(sunpoet@FreeBSD.org)
          Assignee: sunpoet@FreeBSD.org

Updating/recompiling devel/libunwind on recent CURRENT (FreeBSD 13.0-CURRENT
#13 r364293: Mon Aug 17 09:56:40 CEST 2020 amd64) fails with the follwoing
error message from linker:

[...]

--- libunwind.la ---
libtool: link: cc -shared  -fPIC -DPIC  .libs/os-freebsd.o mi/.libs/init.o
mi/.libs/flush_cache.o mi/.libs/mempool.o mi/.libs/strerror.o
x86_64/.libs/is_fpreg.o x86_64/.libs/regname.o x86_64/.libs/Los-freebsd.o
mi/.libs/backtrace.o mi/.libs/dyn-cancel.o mi/.libs/dyn-info-list.o
mi/.libs/dyn-register.o mi/.libs/Ldyn-extract.o
mi/.libs/Lfind_dynamic_proc_info.o mi/.libs/Lget_accessors.o
mi/.libs/Lget_proc_info_by_ip.o mi/.libs/Lget_proc_name.o
mi/.libs/Lput_dynamic_unwind_info.o mi/.libs/Ldestroy_addr_space.o
mi/.libs/Lget_reg.o mi/.libs/Lset_reg.o mi/.libs/Lget_fpreg.o
mi/.libs/Lset_fpreg.o mi/.libs/Lset_caching_policy.o mi/.libs/Lset_cache_si=
ze.o
x86_64/.libs/setcontext.o x86_64/.libs/Lapply_reg_state.o
x86_64/.libs/Lreg_states_iterate.o x86_64/.libs/Lcreate_addr_space.o
x86_64/.libs/Lget_save_loc.o x86_64/.libs/Lglobal.o x86_64/.libs/Linit.o
x86_64/.libs/Linit_local.o x86_64/.libs/Linit_remote.o
x86_64/.libs/Lget_proc_info.o x86_64/.libs/Lregs.o x86_64/.libs/Lresume.o
x86_64/.libs/Lstash_frame.o x86_64/.libs/Lstep.o x86_64/.libs/Ltrace.o
x86_64/.libs/getcontext.o  -Wl,--whole-archive ./.libs/libunwind-dwarf-loca=
l.a
./.libs/libunwind-elf64.a -Wl,--no-whole-archive  -lgcc_s -llzma  -O2
-fstack-protector-strong -nostartfiles -nostdlib -fstack-protector-strong=
=20=20
-Wl,-soname -Wl,libunwind.so.8 -o .libs/libunwind.so.8.0.1
ld: error: duplicate symbol: _U_dyn_info_list
>>> defined at dyn-info-list.c
>>>            mi/.libs/dyn-info-list.o:(_U_dyn_info_list)
>>> defined at Linit.c
>>>            x86_64/.libs/Linit.o:(.bss+0x6698)
cc: error: linker command failed with exit code 1 (use -v to see invocation)
*** [libunwind.la] Error code 1

make[3]: stopped in /usr/ports/devel/libunwind/work/libunwind-1.4.0/src
1 error

make[3]: stopped in /usr/ports/devel/libunwind/work/libunwind-1.4.0/src
=3D=3D=3D> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=3Dyes and rebuild before reporting the failure =
to
the maintainer.
*** Error code 1

Stop.

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