Hello Team :)
With help of a programmers newsgroup I could solve the problem of not
compiling (Linux) C++ clients using X11 and pgsql/libpq++/pgconnection.h
(included via pgdatabase.h).
Well, I tried the following:
g++ -c kunde.cc -o kunde.o -I/usr/local/include -D__WXMOTIF__
-D_REENTRANT -O2 -I/usr/include/pgsql/libpq++ -I/usr/include/pgsql \
-I/usr/include/X11
The error message was the following:
/usr/include/pgsql/libpq++/pgconnection.h:69: extraneous `int' ignored
/usr/include/pgsql/libpq++/pgconnection.h:69: parse error before `('
The -D__WXMOTIF__ is necessary for wxWindows which also includes
X11/Xlib.h.
So I posted this to a newsgroup.
The answer was quite simple: "In X11/Xlib.h you find a line where
"#define Status int" is used."
So next thing I did was to add the following lines into my program /
header files:
#ifdef Status
#undef Status
#endif
before including the PostgreSQL C++ header.
Remember:
In line 69 of pgconnection.h you may find
ConnStatusType Status();
and _without_ undefining Status the result is
ConnStatusType int();
which causes the error.
After adding the above three lines the source was compiled without
errors.
So to avoid problems you should undefine Status in your header-file.
My version of PostgreSQL is 7.0.2 (installed from a SuSE 7.0 CD).
Regards,
Hauke
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