problem with semantic database

problem with semantic database

[kiani45]

hi, all

I am new to the emacs and use it for C++ programming
I have two problems with semantic

I've read this:
http://xtalk.msk.su/~ott/en/writings/emacs-devenv/EmacsCedet.html#fn.3

but still cannot solve them, can any one help me @@

1.
when I put my header files and source files in different directories
semantic cannot find the tag so the command
"semantic-complete-analyze-inline" doesn't work
it says "cannot find types for XX"

only when I explicitly add the path enables semantic to work
 (semantic-add-system-include "~/MyProjects/C++/C++-3/HW2/header" 'c++-mode) 

from
http://xtalk.msk.su/~ott/en/writings/emacs-devenv/EmacsCedet.html#fn.3
it says that I can add my cscope info into the semantic database by using
command 
"semanticdb-create-cscope-database"
the problem is that I don't have this command @@
how can I connect cscope with semantic??


2.
the second problem is:
how can I grab the tag information from standard library?
(for example,
  vector<int> v ;
   v. )    <- "semantic-complete-analyze-inline" can show me some member and
functions of vector 
http://xtalk.msk.su/~ott/en/writings/emacs-devenv/EmacsCedet.html#fn.3
from the above link, it says that you can do this by add one line in your
,emacs: (require 'semantic-gcc)
but I still have trouble message "cannot find types for v"


Can any one help me???

Thanks
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