linux/what-architecture-am-i-using


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#!/bin/sh

set -e

# TODO complete this list

if uname -s | grep -i linux > /dev/null; then
	arch="$(uname -m)"
	if test "$arch" = x86_64; then
		printf '%s\n' AMD64
		if test $# = 0 || "$@"; then
			if test ! -f /proc/config.gz; then
				printf '%s\n' '/proc/config.gz is missing' >&2
				exit 1
			elif test ! -r /proc/config.gz; then
				printf '%s\n' '/proc/config.gz is not readable' >&2
				exit 1
			fi
			if test $# = 0 || gunzip < /proc/config.gz | grep '^CONFIG_X86_X32_ABI=y$' > /dev/null; then
				printf '%s\n' AMD64_X32
			fi
			if test $# = 0 || gunzip < /proc/config.gz | grep '^CONFIG_X86=y$' > /dev/null; then
				printf '%s\n' I386
			fi
		fi
	elif test "$arch" = i686 || test "$arch" = i386; then
		printf '%s\n' I386
	else
		exit 1
	fi
else
	exit 2
fi