Hard to say what the CubicIDE setup does in user-startup...
Anyway, it looks to me like you should just go to ide/devkits/compilers/gcc/morphos/, rename 2.95.3 to 2.95.3_old and make a softlink: makelink fullpath:to/cubic/ide/devkits/compilers/gcc/morphos/2.95.3 SDK:GG. That should hopefully make it work.