How to compile your own Grub

How to get and build/compile your own GRUB?

First, get the GRUB from the GNU site:
ftp://ftp.gnu.org/gnu/grub/grub-2.00.tar.gz

Then copy to your linux machine and unzip it:

1. zcat grub-2.00.tar.gz | tar -xvf -cd grub-2.00/
2. cd grub-2.00/
3. ./configure
• Here will require to install those missing package
• FEDORA: sudo yum install <pkg> 
• i.e. bison, flex and more
4. After configure passes all criteria
5. make install

How to get a GRUB.efi for UEFI Shell launch

1. sudo yum install grub-efi
2. Copy grub file from: /boot/efi/EFI/redhat/grub.efi