Hi there!
GCC ins installed properly, as it shows:
compat-gcc-34-3.4.6-19.el6.x86_64
libgcc-4.4.7-3.el6.x86_64
gcc-c++-4.4.7-3.el6.x86_64
libgcc-4.4.7-3.el6.i686
gcc-4.4.7-3.el6.x86_64
SElinux is already off:
setenforce 0
setenforce: SELinux is disabled
And I already checked everything in...