Hello, >Ok, I have deleted the dir >C:\thisiscool-gcc\swt\win32\scripts\org\eclipse\swt\internal\awt, then I >have compiled through the script build.bat but now I obtain only this >errors: All of these issues have been resolved with the prebuilt libswt.a and prebuilt HelloSWT sample. Please have a look at these. -- Mohan http://www.thisiscool.com/ http://www.animalsong.org/