To resolve the Bigendian not supported error in rAthena emulator in CentOS.
Log in to Putty first.
sudo yum -y install gcc-c++
sudo yum -y install centos-release-scl
sudo yum -y install devtoolset-4-gcc*
Input this command:
nano /root/.bash_profile
and add in a new line:
export PATH=/opt/rh/devtoolset-4/root/usr/bin/:$PATH
Then press CTRL + X key and then CTRL + Y key.
Now, type this command to reboot the server: reboot
Login to Putty and try to compile your server again.