linking with C++ libraries

[raphael Bauduin]

               Hi! 
		I'm not a specialist of C++ and inacuracies may occur in my
descriptions :-)
		I want to develop a C++ application that will interact with a postgres
database, so I have to use the libpq++. Here
		is what I do:

                I create a new C++ project and paste the following code
from the postgresql tests: 


                ----------begin----------------------------- 
                PgDatabase data("dbname=template1"); 
                if ( data.ConnectionBad() ) { 
                cout << "Connection was unsuccessful..." << endl 
                << "Error message returned: " << data.ErrorMessage() <<
endl; 
                return 1; 
                } 
                else 
                cout << "Connection successful...
		-----------end------------------------------ 
                

		when I compile the file obtained with 
                g++ test.cpp -I/usr/include/pgsql \
-I/usr/include/pgsql/libpq++ -lpq -lpq++ 

                I get no problem..... 

                Now, in kdevelop, I want to specify the compile options,
so I press F7, take the "compile options" and paste
                the following: 
                -I/usr/include/pgsql -I/usr/include/pgsql/libpq++ -lpq
-lpq++ 

                but when I press OK, I get the following error: 


		--------------begin-----------------------------
                checking for gcc... (cached) gcc 
                checking whether the C compiler (gcc -O0 -g3 -Wall
-I/usr/include/pgsql -I/usr/include/pgsql/libpq++ -lpq
                -lpq++ ) works... no 
                configure: error: installation or configuration problem:
C compiler cannot create executables. 
                *** failed *** 
		----------------end-----------------------------



		If I don't specify -lpq++, it doesn't work either (some missing
references, to the libpq++...)

                The problems seems to come from the -lpq++ and I think
it is because it tests gcc and not g++..... Is this the
                right explanation? And how do I fix this? 
		
		

                Thanks very much for your help! 

                Raph

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