tce-load -i compiletc http://www.muppetlabs.com/~breadbox/pub/software/ELFkickers-3.1a.tar.gz cd ELFkickers-3.1a find . -name Makefile -type f -exec sed -i 's/-O3/ /g' {} \; cd elfrw edit Makefile CC = gcc -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe cd sstrip edit Makefile CC = gcc -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe make