gold not finding symbols in ld-linux.so.2

[Ian Lance Taylor]

Daniel Jacobowitz <drow@false.org> writes:

> On Wed, Jul 02, 2008 at 07:57:05AM -0700, Ian Lance Taylor wrote:
>> > As far as I can tell, libpthread is just a plain shared library.  "ld
>> > -verbose" reports finding /usr/lib/libpthread.so, which is a symlink
>> > to /lib/libpthread.so.0 which itself is a symlink to
>
> [which is a symlink]

Whoops, sorry, I missed that.

>
>> > /lib/libpthread-0.9.so, which is a ELF 32-bit LSB shared object.  If I
>> > trace the DT_NEEDED attributes, they are exactly as you said:
>> >
>> > $ readelf -d /lib/libpthread-0.9.so | grep NEEDED
>> > 0x00000001 (NEEDED)                     Shared library: [libc.so.6]
>> > $ readelf -d /lib/libc.so.6 | grep NEEDED
>> > 0x00000001 (NEEDED)                     Shared library: [ld-linux.so.2]
>> 
>> You looked at /lib/libpthread-0.9.so, but the linker will never see
>> that under that name.  Look for libpthread.so, without the 0-9.  It
>> may be in /usr/lib.
>
> 0.9 means LinuxThreads - it did not use a GROUP file.

Then we are all still missing something.  gold does not complain about
undefined symbol references in shared libraries.  Why is it
complaining here?

Ian