Package: libbpfcc Version: 0.16.0-2+b1 Followup-For: Bug #942290 Control: retitle -1 libbpfcc: libbcc_bpf.so: needs to link with -lelf and -lz
The same issue now also applies to libz:
$ lib=/usr/lib/x86_64-linux-gnu/libbcc_bpf.so.0.16.0
$ link=/lib/x86_64-linux-gnu/libz.so.1.2.11
$ pkg="$(dpkg-query --search "$lib" | sed s/:.*//)"
$ src="$(grep-aptavail --no-field-names --show-field Source:Package --field
Package --exact-match --pattern "$pkg" | sed 's/ .*//')"
$ first="$(printf '%s' "$src" | head --bytes 1)"
$ adequate "$pkg" | grep -v elf
libbpfcc: undefined-symbol /usr/lib/x86_64-linux-gnu/libbcc_bpf.so.0.16.0 =>
gzclose
libbpfcc: undefined-symbol /usr/lib/x86_64-linux-gnu/libbcc_bpf.so.0.16.0 =>
gzgets
libbpfcc: undefined-symbol /usr/lib/x86_64-linux-gnu/libbcc_bpf.so.0.16.0 =>
gzopen
$ lddtree "$lib"
libbcc_bpf.so.0.16.0 => /usr/lib/x86_64-linux-gnu/libbcc_bpf.so.0.16.0
(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 "$lib"
/usr/lib/x86_64-linux-gnu/libbcc_bpf.so.0.16.0
libc.so.6 =>
socket,__xpg_basename,fopen,strncmp,perror,__isoc99_sscanf,epoll_wait,ftell,strncpy,time,__stack_chk_fail,unlink,mkdir,realloc,getpid,strdup,strtol,mmap,feof,fgets,calloc,strlen,send,memset,dirname,strstr,rmdir,__errno_location,bind,fseek,read,getpagesize,getsockopt,dup3,poll,__fprintf_chk,recv,__isoc99_fscanf,memcpy,memcpy,fclose,fmemopen,fmemopen,setsockopt,malloc,__ctype_b_loc,stderr,ioctl,munmap,__snprintf_chk,__memset_chk,setrlimit,if_nametoindex,strtoull,__getdelim,if_indextoname,fwrite,fread,epoll_ctl,geteuid,statfs,__memcpy_chk,close,open,strchr,getsockname,epoll_create1,__vfprintf_chk,qsort,accept,__strcpy_chk,__cxa_finalize,syscall,__xpg_strerror_r,__sprintf_chk,getrlimit,memmove,uname,access,strcmp,strerror,write,snprintf,sysconf,reallocarray,free
WEAK => _ITM_deregisterTMCloneTable,__gmon_start__,_ITM_registerTMCloneTable
UNRESOLVED =>
gelf_getshdr,gzclose,elf_rawdata,gzgets,elf_getscn,elf_begin,gelf_getrel,elf_memory,elf_end,elf_strptr,elf_nextscn,gzopen,gelf_getehdr,elf_version,elf_getdata,gelf_getclass,gelf_getsym
$ objdump -T "$link" | grep -E " ($(symtree "$lib" | sed -n 's/ UNRESOLVED
=> //p' | tr , '|'))$"
00000000000127c0 g DF .text 0000000000000160 Base gzgets
0000000000011110 g DF .text 0000000000000023 Base gzclose
0000000000011480 g DF .text 000000000000000d Base gzopen
$ w3m -dump https://qa.debian.org/bls/packages/"$first"/"$src".html | grep -A2
symbol
• W shlibs-symbol-not-found (amd64, ppc64, ppc64el)
Found 3 issues.
$ chronic getbuildlog "$src" last
$ grep 'dpkg-shlibdeps: warning: symbol .* used by .* found in none of the
libraries' ./*.log | grep -v elf
./bpfcc_0.16.0-2+b1_amd64.log:dpkg-shlibdeps: warning: symbol gzopen used by
debian/libbpfcc/usr/lib/x86_64-linux-gnu/libbcc_bpf.so.0.16.0 found in none of
the libraries
./bpfcc_0.16.0-2+b1_amd64.log:dpkg-shlibdeps: warning: symbol gzclose used by
debian/libbpfcc/usr/lib/x86_64-linux-gnu/libbcc_bpf.so.0.16.0 found in none of
the libraries
./bpfcc_0.16.0-2+b1_ppc64el.log:dpkg-shlibdeps: warning: symbol gzgets used by
debian/libbpfcc/usr/lib/powerpc64le-linux-gnu/libbcc_bpf.so.0.16.0 found in
none of the libraries
./bpfcc_0.16.0-2+b1_ppc64el.log:dpkg-shlibdeps: warning: symbol gzclose used by
debian/libbpfcc/usr/lib/powerpc64le-linux-gnu/libbcc_bpf.so.0.16.0 found in
none of the libraries
./bpfcc_0.16.0-2+b1_ppc64.log:dpkg-shlibdeps: warning: symbol gzgets used by
debian/libbpfcc/usr/lib/powerpc64-linux-gnu/libbcc_bpf.so.0.16.0 found in none
of the libraries
./bpfcc_0.16.0-2+b1_ppc64.log:dpkg-shlibdeps: warning: symbol gzclose used by
debian/libbpfcc/usr/lib/powerpc64-linux-gnu/libbcc_bpf.so.0.16.0 found in none
of the libraries
./bpfcc_0.16.0-2+b1_ppc64.log:dpkg-shlibdeps: warning: symbol gzopen used by
debian/libbpfcc/usr/lib/powerpc64-linux-gnu/libbcc_bpf.so.0.16.0 found in none
of the libraries
-- System Information:
Debian Release: bullseye/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 5.8.0-2-amd64 (SMP w/4 CPU threads)
Locale: LANG=en_AU.utf8, LC_CTYPE=en_AU.utf8 (charmap=UTF-8), LANGUAGE=en_AU:en
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages libbpfcc depends on:
ii libc6 2.31-3
ii libelf1 0.181-1
ii libgcc-s1 10.2.0-13
ii libtinfo6 6.2+20200918-1
ii libz3-4 4.8.9-1
ii zlib1g 1:1.2.11.dfsg-2
libbpfcc recommends no packages.
libbpfcc suggests no packages.
-- no debconf information
--
bye,
pabs
https://wiki.debian.org/PaulWise
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