Cannot compile pgadmin3-1.10.0-beta3

I am on Slamd64 (Slackware version for AMD64) version 12.2.
Postgresql-8.4-beta4

When I try to compile I get the following messages
*********************************************************************
../pgadmin/include/ctl/ctlSQLBox.h:17:24: error: wx/stc/stc.h: No such file
or directory
./pgAdmin3.cpp:27:24: error: wx/ogl/ogl.h: No such file or directory
In file included from ../pgadmin/include/pgAdmin3.h:23,
from ./pgAdmin3.cpp:13:
../pgadmin/include/ctl/ctlSQLBox.h:37: error: expected class-name before '{'
token
../pgadmin/include/ctl/ctlSQLBox.h:69: error: 'wxStyledTextEvent' has not
been declared
In file included from ./pgAdmin3.cpp:53:
../pgadmin/include/frm/frmMain.h:171: error: 'wxStyledTextEvent' has not
been declared
../pgadmin/include/frm/frmMain.h: In member function 'void
frmMain::OnCopy(wxCommandEvent&)':
../pgadmin/include/frm/frmMain.h:167: error: 'class ctlSQLBox' has no member
named 'Copy'
In file included from ./pgAdmin3.cpp:55:
../pgadmin/include/frm/frmQuery.h: At global scope:
../pgadmin/include/frm/frmQuery.h:112: error: 'wxStyledTextEvent' has not
been declared
../pgadmin/include/frm/frmQuery.h:113: error: 'wxStyledTextEvent' has not
been declared
./pgAdmin3.cpp: In member function 'virtual bool pgAdmin3::OnInit()':
./pgAdmin3.cpp:383: error: 'wxOGLInitialize' was not declared in this scope
make[2]: *** [pgAdmin3.o] Error 1
make[2]: Leaving directory `/dwnlds/sources/pgadmin3-1.10.0-beta3/pgadmin'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/dwnlds/sources/pgadmin3-1.10.0-beta3'
make: *** [all] Error 2
*********************************************************************

Any hint?

Thanks in advance
Ibrahim Shaame