linker error on mac os x

[Mariusz Ziulek]

Hello,
While compiling Samba4 on Mac OS X 10.5 I've got following error:

Linking bin/shared/libdcerpc_atsvc.dylib.0.0.1
Undefined symbols:
  "_environ", referenced from:
      _environ$non_lazy_ptr in heimdal_roken.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
make: *** [bin/shared/libdcerpc_atsvc.dylib.0.0.1] Error 1

What's the problem? Thanks in advance.

Regards,
Mariusz Ziulek