[Dev-C++] WxWindows will not compile

Hi all
I just installed the WxWindows DevPack in Dev-C++ 4.9.7.5, started a new GUI
project and tried to compile. That is, I did not do anything by my self, but
got these error message from the compiler. Anyone knows what's going on and
how to fix it?

Lars-Bo

 
Kompiler: Default compiler
Building Makefile: "C:\Documents and Settings\lars_bo\My
Documents\Coding\wxWindows\Makefile.win"
Eksekverer  make...
make.exe -f "C:\Documents and Settings\lars_bo\My
Documents\Coding\wxWindows\Makefile.win" all
g++.exe -c main.cpp -o main.o -I"C:/Program Files/Dev-Cpp/include"  
In file included from C:/Program Files/Dev-Cpp/include/wx/debug.h:17,
                 from C:/Program Files/Dev-Cpp/include/wx/defs.h:468,
                 from C:/Program Files/Dev-Cpp/include/wx/wx.h:15,
                 from main.cpp:5:
C:/Program Files/Dev-Cpp/include/wx/wxchar.h:429: #error "Please define
string case-insensitive compare for your OS/compiler"
In file included from C:/Program Files/Dev-Cpp/include/wx/memory.h:20,
                 from C:/Program Files/Dev-Cpp/include/wx/object.h:20,
                 from C:/Program Files/Dev-Cpp/include/wx/wx.h:16,
                 from main.cpp:5:
C:/Program Files/Dev-Cpp/include/wx/string.h:170: #error "Please define
string case-insensitive compare for your OS/compiler"
In file included from C:/Program Files/Dev-Cpp/include/wx/cmndata.h:21,
                 from C:/Program Files/Dev-Cpp/include/wx/wx.h:48,
                 from main.cpp:5:
C:/Program Files/Dev-Cpp/include/wx/fontutil.h:65: #error "Unsupported
toolkit"
make.exe: *** [main.o] Error 1
Eksekvering afbrudt