"Disabling thread support in gdbserver" problem

["Daniele Palmas" <Daniele dot Palmas at telit dot com>]

Hello,

I'm using crosstool-NG 1.6.0 for building a glibc toolchain for my AT91SAM9260 target (binutils 2.19.1, gcc 4.3.2, glibc 2.9).

Building the toolchain succeeded correctly, but analyzing the log I've found the following lines:

<SNIP>
[EXTRA]??? Installing cross-gdb
[INFO ]? Installing cross-gdb: done in 199.51s (at 38:38)
[INFO ]? =================================================================
[INFO ]? Installing gdbserver
[EXTRA]??? Configuring gdbserver
[WARN ]??? configure: WARNING: Could not find libthread_db.
[WARN ]??? configure: WARNING: Disabling thread support in gdbserver.
[EXTRA]??? Building gdbserver
[EXTRA]??? Installing gdbserver
[INFO ]? Installing gdbserver: done in 10.86s (at 38:49)
[INFO ]? =================================================================
<SNIP>

Actually I am not able to debug multithreaded applications, though libthread_db exists in the sysroot (and in my target).

I've googled, trying to find a solution, but no luck: it seems that this problem is due to some libraries that are stripped at the moment of gdbserver building, but they should not. However I have not understood very well who is stripping what and how to change this behaviour...

Any hint?

Thanks in advance,
Daniele

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