Hi Sir/Madam, I m working in C,C++ under gcc 4.3 version using fedora 9 OS. My project is already developed under SCO UNIX OS.. So, the gcc compiler for both are in different versions..... But my project is not support in gcc 4.3 in fedora..... My question is, why the application is not supported in higher version of gcc 4.3 ...... what is reason for that and how it can be solve ..... Waiting for ur valuable reply ..... Thanks & Regards . Karthik.R. -- View this message in context: http://www.nabble.com/Why-GCC-Compiler-is-not-support-for-different-versions-.....-tp21804021p21804021.html Sent from the gcc - Help mailing list archive at Nabble.com.