[vasiliy@clamps gccxml-build]$ sudo make
[ 11%] Built target iberty
[ 12%] Built target decnumber
--snip--
[ 83%] Built target backend
[ 96%] Built target gccxml_cc1plus
[ 96%] Building CXX object GCC_XML/KWSys/CMakeFiles/gxsys.dir/Directory.o
In file included from /home/vasiliy/code/ois3d/gccxml-build/GCC_XML/gxsys/stl/string.hxx:29:0,
                 from /home/vasiliy/code/ois3d/gccxml-build/GCC_XML/gxsys/stl/string:49,
                 from /home/vasiliy/code/ois3d/gccxml/GCC_XML/KWSys/Directory.cxx:17:
/home/vasiliy/code/ois3d/gccxml-build/GCC_XML/gxsys/ios/iostream:26:23: fatal error: iostream.h: No such file or directory
compilation terminated.
make[2]: *** [GCC_XML/KWSys/CMakeFiles/gxsys.dir/Directory.o] Error 1
make[1]: *** [GCC_XML/KWSys/CMakeFiles/gxsys.dir/all] Error 2
make: *** [all] Error 2