%general-entities; ]> Build Variables Setting Host and Target We will need to setup target specific flags for the compiler and linkers. You can choose the appropriate BUILD64 and GCCTARGET from the table at the bottom of the page. export BUILD64="[BUILD64 entries]" export GCCTARGET="[GCCTARGET entries]" Copy settings to Environment cat >> ~/.bashrc << EOF export CLFS_HOST="${CLFS_HOST}" export CLFS_TARGET="${CLFS_TARGET}" export BUILD64="${BUILD64}" export GCCTARGET="${GCCTARGET}" EOF List of architectures, target triplets, and recommended book Processor BUILD64 GCCTARGET Ultrasparc and Ultrasparc2 -m64 -mcpu=ultrasparc -mtune=ultrasparc -mcpu=ultrasparc -mtune=ultrasparc Ultrasparc3 -m64 -mcpu=ultrasparc3 -mtune=ultrasparc3 -mcpu=ultrasparc3 -mtune=ultrasparc3