RangeMap error

clang++ -fno-implicit-templates -O2 -ansi -stdlib=libstdc++   -I. -I./../include -I./../generic -DSP_HAVE_BOOL -DSP_ANSI_CLASS_INST -DSP_MULTI_BYTE -DSP_NAMESPACE=James_Clark_SP   -c Allocator.cxx
clang++ -fno-implicit-templates -O2 -ansi -stdlib=libstdc++   -I. -I./../include -I./../generic -DSP_HAVE_BOOL -DSP_ANSI_CLASS_INST -DSP_MULTI_BYTE -DSP_NAMESPACE=James_Clark_SP   -c Link.cxx
clang++ -fno-implicit-templates -O2 -ansi -stdlib=libstdc++   -I. -I./../include -I./../generic -DSP_HAVE_BOOL -DSP_ANSI_CLASS_INST -DSP_MULTI_BYTE -DSP_NAMESPACE=James_Clark_SP   -c IListBase.cxx
clang++ -fno-implicit-templates -O2 -ansi -stdlib=libstdc++   -I. -I./../include -I./../generic -DSP_HAVE_BOOL -DSP_ANSI_CLASS_INST -DSP_MULTI_BYTE -DSP_NAMESPACE=James_Clark_SP   -c TypeId.cxx
clang++ -fno-implicit-templates -O2 -ansi -stdlib=libstdc++   -I. -I./../include -I./../generic -DSP_HAVE_BOOL -DSP_ANSI_CLASS_INST -DSP_MULTI_BYTE -DSP_NAMESPACE=James_Clark_SP   -c assert.cxx
clang++ -fno-implicit-templates -O2 -ansi -stdlib=libstdc++   -I. -I./../include -I./../generic -DSP_HAVE_BOOL -DSP_ANSI_CLASS_INST -DSP_MULTI_BYTE -DSP_NAMESPACE=James_Clark_SP   -c CharsetInfo.cxx
In file included from CharsetInfo.cxx:8:
In file included from ./../include/CharsetInfo.h:11:
In file included from ./../include/UnivCharsetDesc.h:13:
./../include/RangeMap.h:57:12: error: missing 'typename' prior to dependent type name 'Vector<RangeMapRange<From, To> >::const_iterator'
  typename Vector<RangeMapRange<From,To> >::const_iterator ptr_;
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           typename
1 error generated.
make[2]: *** [CharsetInfo.o] Error 1
make[1]: *** [lib] Error 2
make: *** [all] Error 2