Hello

All builds tested on i686 and x86_64 machine.

* binutils-avr - https://gist.github.com/21dfd395add8270875fb - updated to 2.20.1 - removed uneeded the "as-needed" patch :P - rename info pages to avr-* to avoid conflicts with binutils - remove redundants "rm". - removed .install was needed before. - use build() and package()

* gcc-avr - https://gist.github.com/b6e51e2adb5031b7407b - updated to 4.4.3 - removed flex as makedepends that is part of base-devel - use build() and package()

* avr-libc - https://gist.github.com/6ef738c9bc0d2901eadb - updated to 1.6.8 - converted to arch=any since this package does is not arch dependent of installed enviroment. - use build() and package()

* avrdude - https://gist.github.com/2e6895ef91dd72af9d93 - updated to 5.10 - removed bison and flex as depends since these packages are part of base-devel - use build() and package()

Good luck!