建议的linux项目目录安排方式

Using a Practical Project Workspace

In the course of developing and customizing software for your target, you will need to organize various software packages and project components in a comprehensive and easy-to-use directory structure. Table 4-1 shows a suggested directory layout you may find useful. Feel free to modify this structure to fit your needs and requirements. When deciding where to place components, always try to find the most intuitive layout. Also, try to keep your own code in a directory completely separated from all the packages you will download from the Net. This will minimize any confusion regarding the source's ownership and licensing status.

Table 4-1. Suggested project directory layout

Directory	Content
bootldr	The bootloader or bootloaders for your target
build-tools	The packages and directories needed to build the cross-platform development toolchain
debug	The debugging tools and all related packages
doc	All the documentation you will need for your project
images	The binary images of the bootloader, the kernel, and the root filesystem ready to be used on the target
kernel	The different kernel versions you are evaluating for your target
project	Your own source code for this project
rootfs	The root filesystem as seen by the target's kernel at runtime
sysapps	The system applications required for your target
tmp	A temporary directory to experiment and store transient files
tools	The complete cross-platform development toolchain and C library

用来建立环境变量的脚本：develdaq

export PROJECT=daq-module
export PRJROOT=/home/karim/control-project/${PROJECT}
export TARGET=i386-linux
export PREFIX=${PRJROOT}/tools
export TARGET_PREFIX=${PREFIX}/${TARGET}
export PATH=${PREFIX}/bin:${PATH}
cd $PRJROOT

 

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