package: add support for lz archives and improve toolchain setup
package: add support for lz archives and improve toolchain setup

VincentToups/lambdanative,gale320/lambdanative,emacstheviking/lambdanative,attila-lendvai/lambdanative,emacstheviking/lambdanative,youprofit/lambdanative,VincentToups/lambdanative,attila-lendvai/lambdanative,gale320/lambdanative,VincentToups/lambdanative,gale320/lambdanative,emacstheviking/lambdanative,VincentToups/lambdanative,emacstheviking/lambdanative,youprofit/lambdanative,attila-lendvai/lambdanative,attila-lendvai/lambdanative,VincentToups/lambdanative,gale320/lambdanative,youprofit/lambdanative,attila-lendvai/lambdanative,youprofit/lambdanative,emacstheviking/lambdanative,gale320/lambdanative,youprofit/lambdanative