Madhura Upadhya writes: > RH 4 got installed with 3.4.3 gcc compiler. Oracle 10gR2 Native > compilation requires gcc 3.2.3 version. So, tried all manuals/forums and > couldnt get the answer. Is there any supported way of downgrading from > 3.4.3 to 3.2.3 ? It's never a good idea to ovwerwrite the system compiler, but there's nothing at all to stop you from installing another version of gcc in a different location. Andrew.