Are there major differences between gcc 4.4 and gcc 4.6?

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http://askubuntu.com – I just moved from RH (CentOS 6) with gcc 4.4.6 to Ubuntu 12 with gcc 4.6.3. I have a program that references a third party library. I have successfully build and installed the library on the Ubuntu machine. When I run updatedb and locate libXXX.so I get the same exact results. I look for the header file the same way and also get the same exact results. I have a small test program that came from the CentOS box. It consists of one *.c file and a bash script to build and run it. It's all very simple. The script looks like this: #!/bin/bash rm -f a.out gcc -W -lpowerdna *.c exit 0 (HowTos)