The GNU build process and cross-compilation

If you are in the Embedded Linux world it’s very important to be well-versed on the makefiles, configure files, build process and cross-compilation. The link below covers this topic:
The GNU configure and build system

Cross-compilation basics:
Introduction to cross-compiling for Linux

Here is a more specific guide on how to cross-compile for the ARM architecture:
ARM cross-compiling howto

How to build a cross-compiler:

• GCC Cross-Compiler
• Build a GCC-based cross compiler for Linux
• A short guide to building a gcc cross-compiler
• Very Simple Guide for Building Cross Compilers Tips
• How to test GCC on a simulator