Книга: Embedded Linux Primer: A Practical, Real-World Approach

2.4.2. Do-It-Yourself Linux Distributions

2.4.2. Do-It-Yourself Linux Distributions

You can choose to assemble all the components you need for your embedded project on your own. You will have to decide whether the risks are worth the effort. If you find yourself involved with embedded Linux purely for the pleasure of it, such as for a hobby or college project, this approach might be a good one. However, plan to spend a significant amount of time assembling all the tools and utilities your project needs, and making sure they all interoperate together.

For starters, you will need a toolchain. Gcc and binutils are available from www.fsf.org and other mirrors around the world. Both are required to compile the kernel and user-space applications for your project. These are distributed primarily in source code form, and you must compile the tools to suit your particular cross-development environment. Patches are often required to the most recent "stable" source trees of these utilities, especially when they will be used beyond the x86/IA32 architecture. The patches can usually be found at the same location as the base packages. The challenge is to discover which patch you need for your particular problem and/or architecture.

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