Package: libunwind8
Version: 1.2.1-5
Severity: minor
User: debian...@lists.debian.org
Usertags: undefined-symbol adequate

libunwind-coredump needs to link with -lunwind and libunwind-ptrace
needs to link with -lunwind -llzma, see the output of adequate and
symtree below. I detected this on amd64 but the Debian build log
scanner also detected dpkg-buildpackage complaining about it on most
architectures, see the w3m/getbuildlog output below.

I filed this bug at severity minor since the required symbols are
probably always available because programs using the ptrace/coredump
unwind libs probably always link against the main unwind lib.

This bug report brought to you by adequate:

http://bonedaddy.net/pabs3/log/2013/02/23/inadequate-software/

$ adequate libunwind8
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0 => _Ux86_64_get_elf_image
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0 => 
_Ux86_64_dwarf_find_unwind_table
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0 => 
_Ux86_64_dwarf_search_unwind_table
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 => lzma_stream_buffer_decode
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 => _Ux86_64_get_elf_image
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 => 
lzma_index_uncompressed_size
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 => 
_Ux86_64_dwarf_find_unwind_table
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 => 
_Ux86_64_dwarf_search_unwind_table
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 => lzma_index_end
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 => lzma_index_buffer_decode
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 => lzma_stream_footer_decode
libunwind8: undefined-symbol 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 => lzma_index_size
$ man adequate | grep -A4  undefined-symbol
       undefined-symbol
           The symbol has not been found in the libraries linked with the 
binary.  Either the binary either needs to be linked with an additional shared 
library, or the dependency
           on the shared library package that provides this symbol is too weak.

           References: Debian Policy §3.5, §8.6, §10.2.
$ dpkg -L libunwind8 | grep /usr/lib/
/usr/lib/x86_64-linux-gnu
/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0
/usr/lib/x86_64-linux-gnu/libunwind-x86_64.so.8.0.1
/usr/lib/x86_64-linux-gnu/libunwind.so.8.0.1
/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0
/usr/lib/x86_64-linux-gnu/libunwind-x86_64.so.8
/usr/lib/x86_64-linux-gnu/libunwind.so.8
$ lddtree /usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0
libunwind-ptrace.so.0.0.0 => 
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 (interpreter => none)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
        ld-linux-x86-64.so.2 => /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
$ symtree /usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0
/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0
    libc.so.6 => 
strncpy,mmap,strlen,__errno_location,malloc,munmap,ptrace,__cxa_finalize,free
    WEAK => _ITM_deregisterTMCloneTable,__gmon_start__,_ITM_registerTMCloneTable
    UNRESOLVED => 
lzma_stream_buffer_decode,_Ux86_64_get_elf_image,lzma_index_uncompressed_size,_Ux86_64_dwarf_find_unwind_table,_Ux86_64_dwarf_search_unwind_table,lzma_index_end,lzma_index_buffer_decode,lzma_stream_footer_decode,lzma_index_size
$ lddtree /usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0 
libunwind-coredump.so.0.0.0 => 
/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0 (interpreter => none)
    liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5
        libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2
            ld-linux-x86-64.so.2 => /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
        libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
$ symtree /usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0
/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0
    liblzma.so.5 => 
lzma_stream_buffer_decode,lzma_stream_footer_decode,lzma_index_end,lzma_index_uncompressed_size,lzma_index_size,lzma_index_buffer_decode
    libc.so.6 => 
__strdup,strncpy,mmap,calloc,strlen,read,lseek,malloc,munmap,__fxstat,close,open,write,free
    UNRESOLVED => 
_Ux86_64_get_elf_image,_Ux86_64_dwarf_find_unwind_table,_Ux86_64_dwarf_search_unwind_table
$ lddtree /usr/lib/x86_64-linux-gnu/libunwind-x86_64.so.8
libunwind-x86_64.so.8 => /usr/lib/x86_64-linux-gnu/libunwind-x86_64.so.8 
(interpreter => none)
    liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5
        libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2
        libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
    libunwind.so.8 => /usr/lib/x86_64-linux-gnu/libunwind.so.8
        libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
    ld-linux-x86-64.so.2 => /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
$ symtree /usr/lib/x86_64-linux-gnu/libunwind-x86_64.so.8
/usr/lib/x86_64-linux-gnu/libunwind-x86_64.so.8.0.1
    liblzma.so.5 => 
lzma_stream_buffer_decode,lzma_stream_footer_decode,lzma_index_end,lzma_index_uncompressed_size,lzma_index_size,lzma_index_buffer_decode
    libunwind.so.8 => _Ux86_64_setcontext,_U_dyn_info_list_addr
    libc.so.6 => 
dl_iterate_phdr,strncpy,sigprocmask,sigfillset,pthread_mutex_lock,abort,getpid,mmap,calloc,msync,strlen,memset,read,getpagesize,pthread_mutex_unlock,munmap,mincore,__fxstat,pthread_mutex_init,close,open,memmove,free
    ld-linux-x86-64.so.2 => free,calloc,__tls_get_addr
    WEAK => pthread_key_create,pthread_once,pthread_setspecific
$ w3m -dump https://qa.debian.org/bls/packages/l/libunwind.html | grep -A1 
symbol
  • W shlibs-symbol-not-found (amd64, arm64, armel, armhf, hppa, i386, mips,
    mips64el, mipsel, powerpc, powerpcspe, ppc64, ppc64el, sh4)
$ w3m -dump https://qa.debian.org/bls/bytag/W-shlibs-symbol-not-found.html | 
grep -A12 description
description

The build logs contains a like like

dpkg-shlibdeps: warning: symbol NAME used by BINARY found in none of the 
libraries.

Possible reasons:

  • A library not linked with a library needed.
    While this can sometimes make sense in order to allow the using binary to
    decide which of multiple available implementations to use, it means that
    dependency information might be incorrect, optimisations like prelinking
    might fail and stuff like that.
$ chronic getbuildlog libunwind last
$ grep 'dpkg-shlibdeps: warning: symbol .* used by .* found in none of the 
libraries' *.log
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
_Ux86_64_get_elf_image used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
_Ux86_64_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
_Ux86_64_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
_Ux86_64_get_elf_image used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol lzma_index_end used 
by debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol lzma_index_size 
used by debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
_Ux86_64_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
_Ux86_64_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_amd64.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/x86_64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
_Uaarch64_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-coredump.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
_Uaarch64_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-coredump.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
_Uaarch64_get_elf_image used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-coredump.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol lzma_index_end used 
by debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
_Uaarch64_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
_Uaarch64_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol 
_Uaarch64_get_elf_image used by 
debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_arm64.log:dpkg-shlibdeps: warning: symbol lzma_index_size 
used by debian/libunwind8/usr/lib/aarch64-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol 
_Uarm_search_unwind_table used by 
debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol 
_Uarm_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol lzma_index_end used 
by debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol _Uarm_get_elf_image 
used by debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol lzma_index_size 
used by debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol 
_Uarm_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-coredump.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol 
_Uarm_search_unwind_table used by 
debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-coredump.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armel.log:dpkg-shlibdeps: warning: symbol _Uarm_get_elf_image 
used by debian/libunwind8/usr/lib/arm-linux-gnueabi/libunwind-coredump.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol lzma_index_end used 
by debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol lzma_index_size 
used by debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol 
_Uarm_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol 
_Uarm_search_unwind_table used by 
debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol _Uarm_get_elf_image 
used by debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol 
_Uarm_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-coredump.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol _Uarm_get_elf_image 
used by 
debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-coredump.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_armhf.log:dpkg-shlibdeps: warning: symbol 
_Uarm_search_unwind_table used by 
debian/libunwind8/usr/lib/arm-linux-gnueabihf/libunwind-coredump.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_hppa.log:dpkg-shlibdeps: warning: symbol lzma_index_end used 
by debian/libunwind8/usr/lib/hppa-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_hppa.log:dpkg-shlibdeps: warning: symbol _Uhppa_get_elf_image 
used by debian/libunwind8/usr/lib/hppa-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_hppa.log:dpkg-shlibdeps: warning: symbol 
_Uhppa_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/hppa-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_hppa.log:dpkg-shlibdeps: warning: symbol 
_Uhppa_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/hppa-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_hppa.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/hppa-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_hppa.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/hppa-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_hppa.log:dpkg-shlibdeps: warning: symbol lzma_index_size used 
by debian/libunwind8/usr/lib/hppa-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_hppa.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/hppa-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_hppa.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/hppa-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol _Ux86_get_elf_image 
used by debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-coredump.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol 
_Ux86_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol 
_Ux86_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol lzma_index_end used 
by debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol lzma_index_size used 
by debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol _Ux86_get_elf_image 
used by debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol 
_Ux86_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol 
_Ux86_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_i386.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/i386-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
_Umips_get_elf_image used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol lzma_index_end 
used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol lzma_index_size 
used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
_Umips_get_elf_image used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-coredump.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-coredump.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips64el.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/mips64el-linux-gnuabi64/libunwind-coredump.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol lzma_index_size 
used by debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
_Umips_get_elf_image used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol lzma_index_end 
used by debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
_Umips_get_elf_image used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mipsel.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/mipsel-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol _Umips_get_elf_image 
used by debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-coredump.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol lzma_index_size used 
by debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol _Umips_get_elf_image 
used by debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol 
_Umips_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_mips.log:dpkg-shlibdeps: warning: symbol lzma_index_end used 
by debian/libunwind8/usr/lib/mips-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol 
_Uppc32_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol 
_Uppc32_get_func_addr used by 
debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol lzma_index_end 
used by debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol 
_Uppc32_get_elf_image used by 
debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol lzma_index_size 
used by debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_powerpc.log:dpkg-shlibdeps: warning: symbol 
_Uppc32_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/powerpc-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol lzma_index_end 
used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol 
lzma_index_size used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol 
_Uppc32_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol 
_Uppc32_get_elf_image used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol 
_Uppc32_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_powerpcspe.log:dpkg-shlibdeps: warning: symbol 
_Uppc32_get_func_addr used by 
debian/libunwind8/usr/lib/powerpc-linux-gnuspe/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol 
_Uppc64_get_func_addr used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol 
_Uppc64_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol 
_Uppc64_get_elf_image used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol lzma_index_end 
used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol 
_Uppc64_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64el.log:dpkg-shlibdeps: warning: symbol lzma_index_size 
used by 
debian/libunwind8/usr/lib/powerpc64le-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol 
_Uppc64_get_elf_image used by 
debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol lzma_index_size 
used by debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol 
_Uppc64_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol lzma_index_end used 
by debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol 
_Uppc64_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_ppc64.log:dpkg-shlibdeps: warning: symbol 
_Uppc64_get_func_addr used by 
debian/libunwind8/usr/lib/powerpc64-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol 
lzma_index_uncompressed_size used by 
debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-ptrace.so.0.0.0 found in none 
of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol 
_Ush_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-ptrace.so.0.0.0 found in none 
of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol 
_Ush_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-ptrace.so.0.0.0 found in none 
of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_buffer_decode used by 
debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-ptrace.so.0.0.0 found in none 
of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol 
lzma_index_buffer_decode used by 
debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-ptrace.so.0.0.0 found in none 
of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol lzma_index_size used 
by debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol lzma_index_end used 
by debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-ptrace.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol 
lzma_stream_footer_decode used by 
debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-ptrace.so.0.0.0 found in none 
of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol _Ush_get_elf_image 
used by debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-ptrace.so.0.0.0 found 
in none of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol _Ush_get_elf_image 
used by debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-coredump.so.0.0.0 
found in none of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol 
_Ush_dwarf_search_unwind_table used by 
debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries
libunwind_1.2.1-5_sh4.log:dpkg-shlibdeps: warning: symbol 
_Ush_dwarf_find_unwind_table used by 
debian/libunwind8/usr/lib/sh4-linux-gnu/libunwind-coredump.so.0.0.0 found in 
none of the libraries

-- System Information:
Debian Release: buster/sid
  APT prefers testing-debug
  APT policy: (900, 'testing-debug'), (900, 'testing'), (800, 
'unstable-debug'), (800, 'unstable'), (790, 'buildd-unstable'), (700, 
'experimental-debug'), (700, 'experimental'), (690, 'buildd-experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.14.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_AU.utf8, LC_CTYPE=en_AU.utf8 (charmap=UTF-8), 
LANGUAGE=en_AU.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages libunwind8 depends on:
ii  libc6     2.25-5
ii  libgcc1   1:7.2.0-18
ii  liblzma5  5.2.2-1.3

libunwind8 recommends no packages.

libunwind8 suggests no packages.

-- no debconf information

-- 
bye,
pabs

https://wiki.debian.org/PaulWise

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