firefox-x11 build failure

[LD]

Mac OS 10.4.10, latest XCode, PPC.

Error: Target com.apple.build returned: shell command " cd "/opt/ 
local/var/db/dports/build/ 
_opt_local_var_db_dports_sources_rsync.rsync.darwinports.org_dpupdate_dp 
orts_www_firefox-x11/work/mozilla" && make all " returned error 2
Command output: _PR_UnloadLibrary referenced from libnss3 expected to  
be defined in @executable_path/libnspr4.dylib
_PR_sprintf_append referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_ExplodeTime referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_FormatTime referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_GMTParameters referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_LocalTimeParameters referenced from libnss3 expected to be  
defined in @executable_path/libnspr4.dylib
_PR_ImplodeTime referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_Connect referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_EnumerateHostEnt referenced from libnss3 expected to be defined  
in @executable_path/libnspr4.dylib
_PR_GetHostByName referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_InitializeNetAddr referenced from libnss3 expected to be defined  
in @executable_path/libnspr4.dylib
_PR_NewTCPSocket referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_Write referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_VersionCheck referenced from libnss3 expected to be defined in  
@executable_path/libnspr4.dylib
_PL_strdup referenced from libssl3 expected to be defined in  
@executable_path/libplc4.dylib
_PR_Access referenced from libsoftokn3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_Delete referenced from libsoftokn3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_MkDir referenced from libsoftokn3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_OpenFile referenced from libsoftokn3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_Read referenced from libsoftokn3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_ntohl referenced from libsoftokn3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_GetLibraryFilePathname referenced from libsoftokn3 expected to be  
defined in @executable_path/libnspr4.dylib
_PR_Open referenced from libsoftokn3 expected to be defined in  
@executable_path/libnspr4.dylib
_PR_Seek referenced from libsoftokn3 expected to be defined in  
@executable_path/libnspr4.dylib
collect2: ld returned 1 exit status
make[4]: *** [libpipnss.dylib] Error 1
make[3]: *** [libs] Error 2
make[2]: *** [libs] Error 2
make[1]: *** [tier_50] Error 2
make: *** [all] Error 2

Error: Status 1 encountered during processing.