Error message is as below, happens on building trunk-fpc or trunk-crosscompilers for arm/mipsel
/bin/mkdir -p mipsel/units/i386-darwin
/Users/ring/devel/fpc-mipsel/compiler/ppc -Ur -Xs -O2 -n -Fumipsel -Fusystems -Fu/Users/ring/devel/fpc-mipsel/rtl/units/i386-darwin -Fimipsel -FE. -FUmipsel/units/i386-darwin -dRELEASE -dmipsel -dGDB -dBROWSERLOG -Fumips -Sew pp.pas
Undefined symbols for architecture i386:
"_IIDSTR_$SYSTEM_$$_IUNKNOWN$indirect", referenced from: _$$fpclocal$_ld42 in system.o
_$$fpclocal$_ld46 in system.o
"_IIDSTR_$SYSUTILS_$$_IREADWRITESYNC$indirect", referenced from: _$$fpclocal$_ld790 in sysutils.o
_$$fpclocal$_ld793 in sysutils.o
"_IIDSTR_$WPOBASE_$$_TWPOSECTIONREADERINTF$indirect", referenced from: _$$fpclocal$_ld10 in wpobase.o
"_IIDSTR_$WPOBASE_$$_TWPOSECTIONWRITERINTF$indirect", referenced from: _$$fpclocal$_ld7 in wpobase.o
"_IID_$SYSTEM_$$_IUNKNOWN$indirect", referenced from: _$$fpclocal$_ld42 in system.o
_$$fpclocal$_ld46 in system.o
"_IID_$SYSUTILS_$$_IREADWRITESYNC$indirect", referenced from: _$$fpclocal$_ld790 in sysutils.o
_$$fpclocal$_ld793 in sysutils.o
ld: symbol(s) not found for architecture i386