%general-entities; ]> We will need to setup target specific flags for the compiler and linkers. You can choose the appropriate BUILD32 and BUILD64 from the table at the bottom of the page. export BUILD64="[BUILD64 entries]" export GCCTARGET="[GCCTARGET entries]" Lets add the build flags to ~/.bashrc to prevent issues if we stop and come back later. echo export BUILD64=\""${BUILD64}\"" >> ~/.bashrc echo export GCCTARGET=\""${GCCTARGET}\"" >> ~/.bashrc The following table gives the entires for different Sparc 64 capable processors. Pick the processor that matches your system. 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