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Re: grep-3.8.11-908f on NetBSD 9.0

From: Bruno Haible
Subject: Re: grep-3.8.11-908f on NetBSD 9.0
Date: Mon, 02 Jan 2023 11:32:56 +0100

On NetBSD 9.0, the compilation succeeds and 1 test fails:

FAIL: filename-lineno

Since the test suite log contains the string
  grep: Shared object "" not found
I looked around for libpcre. Indeed, there is a file
that is a symbolic link pointing to
and the latter is an ELF shared library.

The reason why it could not be found is probably that /usr/pkg/lib is not
among the runtime linker's search path and not declared as an RPATH:

$ readelf -d grep

Dynamic section at offset 0x36028 contains 20 entries:
  Tag        Type                         Name/Value
 0x0000000000000001 (NEEDED)             Shared library: []
 0x0000000000000001 (NEEDED)             Shared library: []
 0x0000000000000001 (NEEDED)             Shared library: []
 0x000000000000000f (RPATH)              Library rpath: [/home/bruno/lib]
 0x000000000000000c (INIT)               0x402710
 0x000000000000000d (FINI)               0x428f90
 0x0000000000000004 (HASH)               0x400210
 0x0000000000000005 (STRTAB)             0x4013e8
 0x0000000000000006 (SYMTAB)             0x400668
 0x000000000000000a (STRSZ)              1612 (bytes)
 0x000000000000000b (SYMENT)             24 (bytes)
 0x0000000000000015 (DEBUG)              0x0
 0x0000000000000003 (PLTGOT)             0x6361d8
 0x0000000000000002 (PLTRELSZ)           3096 (bytes)
 0x0000000000000014 (PLTREL)             RELA
 0x0000000000000017 (JMPREL)             0x401af8
 0x0000000000000007 (RELA)               0x401a38
 0x0000000000000008 (RELASZ)             192 (bytes)
 0x0000000000000009 (RELAENT)            24 (bytes)
 0x0000000000000000 (NULL)               0x0

$ objdump -x -j .dynamic grep 

/tmp/grep:     file format elf64-x86-64
architecture: i386:x86-64, flags 0x00000112:
start address 0x0000000000402f60

Program Header:
    PHDR off    0x0000000000000040 vaddr 0x0000000000400040 paddr 
0x0000000000400040 align 2**3
         filesz 0x0000000000000188 memsz 0x0000000000000188 flags r--
  INTERP off    0x00000000000001c8 vaddr 0x00000000004001c8 paddr 
0x00000000004001c8 align 2**0
         filesz 0x0000000000000017 memsz 0x0000000000000017 flags r--
    LOAD off    0x0000000000000000 vaddr 0x0000000000400000 paddr 
0x0000000000400000 align 2**21
         filesz 0x0000000000035d14 memsz 0x0000000000035d14 flags r-x
    LOAD off    0x0000000000036000 vaddr 0x0000000000636000 paddr 
0x0000000000636000 align 2**21
         filesz 0x0000000000000738 memsz 0x0000000000011570 flags rw-
 DYNAMIC off    0x0000000000036028 vaddr 0x0000000000636028 paddr 
0x0000000000636028 align 2**3
         filesz 0x0000000000000190 memsz 0x0000000000000190 flags rw-
    NOTE off    0x00000000000001e0 vaddr 0x00000000004001e0 paddr 
0x00000000004001e0 align 2**2
         filesz 0x000000000000002c memsz 0x000000000000002c flags r--
EH_FRAME off    0x000000000002fc60 vaddr 0x000000000042fc60 paddr 
0x000000000042fc60 align 2**2
         filesz 0x0000000000000dd4 memsz 0x0000000000000dd4 flags r--

Dynamic Section:
  RPATH                /home/bruno/lib
  INIT                 0x0000000000402710
  FINI                 0x0000000000428f90
  HASH                 0x0000000000400210
  STRTAB               0x00000000004013e8
  SYMTAB               0x0000000000400668
  STRSZ                0x000000000000064c
  SYMENT               0x0000000000000018
  DEBUG                0x0000000000000000
  PLTGOT               0x00000000006361d8
  PLTRELSZ             0x0000000000000c18
  PLTREL               0x0000000000000007
  JMPREL               0x0000000000401af8
  RELA                 0x0000000000401a38
  RELASZ               0x00000000000000c0
  RELAENT              0x0000000000000018

Idx Name          Size      VMA               LMA               File off  Algn
 19 .dynamic      00000190  0000000000636028  0000000000636028  00036028  2**3
                  CONTENTS, ALLOC, LOAD, DATA
0000000000636028 l    d  .dynamic       0000000000000000 .dynamic
0000000000636028 l     O .dynamic       0000000000000000 _DYNAMIC

I plan to fix the missing/broken rpath problem with pkgconfig this year [1];
this ought to fix this situation. Therefore I wouldn't mind if you leave
this problem aside for now.



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