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It helps to avoid an error on distros which has only python3 binary: ./autogen.sh: line 20: python: command not found Use python3 as the default as python2 is EOL since Jan 2020. However, check also for python which is on most distros, if not all, python2 because code still works on python2. Although it should not be needed keep the possibility to define PYTHON variable. For detection use "command -v" which is POSIX and supported on all common shells (bash, zsh, dash, busybox sh, mksh) instead requiring "which" as an extra dependency (usable on containers). Update the INSTALL file too. Signed-off-by: Petr Vorel <pvorel@suse.cz> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This is GRUB 2, the second version of the GRand Unified Bootloader. GRUB 2 is rewritten from scratch to make GNU GRUB cleaner, safer, more robust, more powerful, and more portable. See the file NEWS for a description of recent changes to GRUB 2. See the file INSTALL for instructions on how to build and install the GRUB 2 data and program files. See the file MAINTAINERS for information about the GRUB maintainers, etc. If you found a security vulnerability in the GRUB please check the SECURITY file to get more information how to properly report this kind of bugs to the maintainers. Please visit the official web page of GRUB 2, for more information. The URL is <http://www.gnu.org/software/grub/grub.html>. More extensive documentation is available in the Info manual, accessible using 'info grub' after building and installing GRUB 2. There are a number of important user-visible differences from the first version of GRUB, now known as GRUB Legacy. For a summary, please see: info grub Introduction 'Changes from GRUB Legacy'