anyone seeing "dyld: Symbol not found: _program_name"

[Ben Abbott]

I've built with the current sources. Running in gdb, I see ...

dyld: Symbol not found: _program_name
  Referenced from: 
/Users/bpabbott/Development/mercurial/local_clone/liboctave/.libs/liboctave-3.3.50+.dylib
  Expected in: flat namespace
 in 
/Users/bpabbott/Development/mercurial/local_clone/liboctave/.libs/liboctave-3.3.50+.dylib

Program received signal SIGTRAP, Trace/breakpoint trap.
0x8fe01065 in __dyld_dyld_fatal_error ()
(gdb) bt
#0  0x8fe01065 in __dyld_dyld_fatal_error ()
#1  0x8fe04fa5 in __dyld__ZN4dyld4haltEPKc ()
#2  0x8fe0796b in __dyld__ZN4dyld5_mainEPK12macho_headermiPPKcS5_S5_ ()
#3  0x8fe018b1 in __dyld__ZN13dyldbootstrap5startEPK12macho_headeriPPKcl ()
#4  0x8fe01057 in __dyld__dyld_start ()

Is anyone else seeing this.

Ben

p.s. MacOS 10.6.2