On Tue, Feb 5, 2013 at 9:00 PM, Ian Lance Taylor <i...@google.com> wrote:
> On Thu, Jan 3, 2013 at 1:26 AM, Uros Bizjak <ubiz...@gmail.com> wrote:
>> Hello!
>>
>>> I've committed a patch to upgrade libgo to the current version of the
>>> master Go library.  As usual, this mail message only includes the
>>> changes to files that are specific to gccgo.  Bootstrapped and ran Go
>>> testsuite on x86_64-unknown-linux-gnu.  Committed to mainline.
>>
>> This caused massive testsuite problems on CentOS 5.8 due to missing
>> utimensat.
>
> This should be fixed now.  Please let me know if it is not.

Thanks, I have tested it on CentOS 5.9. However, for some reason, I
got unrelated linker errors that prevents further testing:

                === libgo tests ===

./a.out: error while loading shared libraries:
/home/uros/gcc-build/x86_64-unknown-linux-gnu/libgo/.libs/libgo.so.3:
ELF file OS ABI invalid
FAIL: bufio
../../../gcc-svn/trunk/libgo/testsuite/gotest: line 482:
gotest-timeout: No such file or directory
./a.out: error while loading shared libraries:
/home/uros/gcc-build/x86_64-unknown-linux-gnu/libgo/.libs/libgo.so.3:
ELF file OS ABI invalid
FAIL: bytes
...

where:

$ readelf -h libgo.so.3.0.1
ELF Header:
  Magic:   7f 45 4c 46 02 01 01 03 00 00 00 00 00 00 00 00
  Class:                             ELF64
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - Linux
  ABI Version:                       0
  Type:                              DYN (Shared object file)
  Machine:                           Advanced Micro Devices X86-64
  Version:                           0x1
  Entry point address:               0x559190
  Start of program headers:          64 (bytes into file)
  Start of section headers:          24466488 (bytes into file)
  Flags:                             0x0
  Size of this header:               64 (bytes)
  Size of program headers:           56 (bytes)
  Number of program headers:         6
  Size of section headers:           64 (bytes)
  Number of section headers:         38
  Section header string table index: 35

and

$ readelf -h /lib64/libc-2.5.so
ELF Header:
  Magic:   7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00
  Class:                             ELF64
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              DYN (Shared object file)
  Machine:                           Advanced Micro Devices X86-64
  Version:                           0x1
  Entry point address:               0x31c441dac0
  Start of program headers:          64 (bytes into file)
  Start of section headers:          1721392 (bytes into file)
  Flags:                             0x0
  Size of this header:               64 (bytes)
  Size of program headers:           56 (bytes)
  Number of program headers:         10
  Size of section headers:           64 (bytes)
  Number of section headers:         77
  Section header string table index: 76

 ld --version
GNU ld (Linux/GNU Binutils) 2.21.52.0.2.20110610
Copyright 2011 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) a later version.
This program has absolutely no warranty.

I don't know why linker treats "UNIX - Linux" OS/ABI as incompatible...

BTW: The same problem happens with libatomic:

./atomic-compare-exchange-1.exe: error while loading shared libraries:
/home/uros/gcc-build/x86_64-unknown-linux-gnu/./libatomic/.libs/libatomic.so.1:
ELF file OS ABI invalid
FAIL: libatomic.c/atomic-compare-exchange-1.c execution test

Is libatomic library incompatible in some way to libc?

GNU C Library stable release version 2.5, by Roland McGrath et al.
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 4.1.2 20080704 (Red Hat 4.1.2-52).
Compiled on a Linux 2.6.9 system on 2013-01-08.
Available extensions:
        The C stubs add-on version 2.1.2.
        crypt add-on version 2.1 by Michael Glad and others
        GNU Libidn by Simon Josefsson
        GNU libio by Per Bothner
        NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk
        Native POSIX Threads Library by Ulrich Drepper et al
        BIND-8.2.3-T5B
        RT using linux kernel aio
Thread-local storage support included.
For bug reporting instructions, please see:
<http://www.gnu.org/software/libc/bugs.html>.

Uros.

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