Confusion about threadlibs?

Wed Jan 16 15:15:34 PST 2008

walt wrote:
I'm not sure if I'm confused or DragonFly is confused.  After
building world and kernel (HEAD) today, I'm unable to build
pkgsrc/perl5 because miniperl dumps core.
I tried gdb on the coredump:

Reading symbols from /usr/lib/libpthread.so.0...(no debugging symbols
found)...done.
Loaded symbols for /usr/lib/libpthread.so.0
Reading symbols from /usr/pkgsrc/lang/perl5/work/perl-5.8.8/libperl.so...(no
debugging symbols found)...done.
Loaded symbols for /usr/pkgsrc/lang/perl5/work/perl-5.8.8/libperl.so
Reading symbols from /usr/lib/libm.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libm.so.3
Reading symbols from /usr/lib/libcrypt.so.3...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libcrypt.so.3
Symbols already loaded for /usr/lib/libpthread.so.0
Reading symbols from /usr/lib/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libc.so.6
Reading symbols from /usr/lib/libthread_xu.so.2...(no debugging symbols
found)...done.
Loaded symbols for /usr/lib/libthread_xu.so.2    <========== huh?
Wait just a minute -- what is libthread_xu doing there?  I'm using
libc_r, not xu:
somebody insists to link to libthread_xu.  maybe one of the libs, maybe 
the perl build itself.  try a ldd on all involved binaries.

cheers
  simon
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