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[http://buildroot.uclibc.org/ Buildroot] is a set of scripts and patches for the creation of a cross-compilation toolchain as well as the creation of a complete root file system.Buildroot provides: * support for prebuilt or external toolchains* configuration through menuconfig* lots of available libraries, tools, packages and utilities* support for all the major filesystems (JFFS2, UBIFS, CRAMFS, ...)* uClibc, glibc, eglibc generation, or use of the libc from the external toolchain* easy customization through Makefiles