这是《嵌入式linux－硬件、软件与接口》一书对应的所有linux方面实例的源代码

				#!/bin/bash
				# buildtoolchain-step09-gccversion v1.2 08/13/02 
				# www.embeddedlinuxinterfacing.com
				#
				# The original location of this script is
				# http://www.embeddedlinuxinterfacing.com/chapters/03/buildtoolchain
				# See buildtoolchain script for General Public License statement
				#
				
				if [ ! $BUILDTOOLCHAINENV ]
				then
				. ./buildtoolchain-environment $1
				fi
				
				#
				# Step 9 - gcc Version Check
				date "+%x %X -   Started: $0"
				date "+%x %X -   Started: $0" >> $SRCFILELOC/output-build-status
				
				
				echo -n "$TARGET-gcc version is "
				$TARGET-gcc --version
				
				date "+%x %X - Completed: $0"
				date "+%x %X - Completed: $0" >> $SRCFILELOC/output-build-status
				
				
				#beep
				echo -e "\07"